We typically recommend sealed concrete as a more affordable alternative to polished concrete. Lapping produces a rough surface processed with coarse abrasives and a hard plate tool, while polishing produces a mirror-like surface processed with fine particle abrasives and soft pads. It requires more steps during the finishing process. Another important difference between lapping and more finer polishing is the composition of diamond disc . Then, polishing pads are used to achieve the desired gloss in gradually finer grits. For specimens significantly harder than the mounting compound, pressure is better defined as the force divided by the specimen surface area. Grinders cut through things as hard as metal, so be cautious while operating one. Grinding is nearly always a step you do before another process. The base can be oil-based like grease or water soluble lubricant. Which is the angle grinder? What are the differences between traditional mechanical polishing and CMP (Chemical-Mechanical Polishing)? 3. Aside from this tiny distinction, another distinction between buffing and polishing is abrasive grit. Buffing can be done by hand but is usually done with a machine. The dry concrete grinding method is used to polish concrete, whether it is for floors, walls and countertops or something else. The goal is a plane surface with minimal damage that can easily be removed during polishing in the shortest possible time. The hard particles used are carborandum, aluminum oxide, silica or silicon carbide, glass, boron carbide, etc. Difference Between Grinding and Polishing Concrete While the end product may seem similar, the processes are different. The more labor-intensive is polished concrete. Grinding is quick and relatively easy process but can Difference Between Grinder And Polisher, safe and super fun Difference Between Grinder And Polisher, find the best selection of kids toys for all ages. Advanced Grinding Services takes pride in maintaining SOTA (state-of-the-art) technology. The surface after rough polishing, milling, electric spark, grinding and other processes can be selected for polishing with a rotating surface polishing machine or an ultrasonic grinding machine with a speed of 35000 to 40000rpm. Buffing is a rotating cloth wheel that is impregnated with fine abrasive compounds, and it produces a bright-luster finish on metal and composites. It is a handheld power tool that is used to perform a variety of tasks such as cutting, grinding, and polishing. The overall outcome of polished concrete over terrazzo will be a better looking, higher performing and lower cost floor. Mechanical Grinding and Polishing. Briefly explain how Grain size, Bond, Grade and Structure of a grinding wheel influence its performance. Even bearing the name of rubber, it is also made from other components, with 20% of its composition being . Honing is a method of internal grinding used to achieve a precise surface finish and shape on the inside diameter (ID) of a tube, bore, or hole. Usually grinding is to remove material, polishing usually is a surface finish. Lapping is a sanding or polishing method used to create an accurate finish on a flat or domed surface of a part. Grinding/polishing pressure is dependent upon the applied force (pounds or Newtons) and the area of the specimen and mounting material. Over, in polishing grinders, the mechanism for adjusting the speeds of rotation is much more stable, moreover, this tool is distinguished by a higher torque. Polishing wheel, polishing disc, polishing sheet}. Lapping produces a rough surface processed with coarse abrasives and a hard plate tool, while polishing produces a mirror-like surface processed with fine particle abrasives and soft pads. The one major difference between polishing and buffing is that polishing isn't as through of cleaning of the item surface as buffing is. A combed buff will not need to be broken in and you will not need to comb the buff in order to hold the compound in the wheel. These are the dry and wet concrete grinding methods. In other words, the grit-based abrasive used in polishing isn't glued onto the wheel. They will remove the weld seam quickly and since the appearance of scratches are not such an issue compared to stainless steel, are ideal for this operation. As nouns the difference between polish and grind is that polish is a substance used to polish while grind is the act of reducing to powder, or of sharpening, by friction. What are some other benefits of polished concrete vs terrazzo? . Pressure is defined as the Force/Area (psi, N/m 2 or Pa). The vacuum cleaner can be either built-in or additionally connected. Uncombed- These muslin buffs have a harder surface than the typical combed muslin buffs you can find. One might be curious to know the difference between grinding and polishing. This ensures customer satisfaction that is an . Polishing uses free abrasives on Polishing; Precision grinding; . The honing and lapping processes are both highly controlled. I may grind something to get it to size, remove excess or undesirable surface finish. They also possess mechanical differences. The main difference between the lapping and polishing processes is obvious in glass lens manufacturing. Difference between the centre and centreless grinding: The main objective of both the types of grinding is the same but the process is different.Both processes have their own applications,advantages and disadvantages.On the basis of working operations following are some differences between the centre and centreless grinding. For example removing old adhesives in order to get down to . Grinding uses xed abrasivesthe abrasive particles are bonded to the paper or platenfor fast stock removal. Lapping pastes are used for controlled removal and are used for the close . The process is simpler and involves less grinding, honing, and polishing steps. After medium and fine grinding, the roughness of GFZ was significantly reduced, but no significant differences were found between the roughness after fine grinding (pre-polishing) and the . Whether a lab is looking for the quickest overall process, the . Polishing removes the artifacts of grinding but very little stock. The basic principle of electrolytic polishing is the same as that of chemical polishing, that is, the small protrusions on the surface are dissolved by the dissolving liquid to obtain a smooth surface. When the tool tip is passivated, the tool can only be replaced, while the grinding wheel has "self-sharpening effect", the abrasive grains can automatically generate . The dry grinding process is usually done using a machine that . Will somebody can help me to provide their exact definitions and the differences in between. Simply put, polishing concrete involves polishing a concrete slab. A sander is a type of power tool for grinding and polishing surfaces of various materials, such as plastic, metal, wood. 11. Thank you for your help. Many types of grinders have the function of collecting sawdust, shavings, in a word, waste from the work performed. Grinding and polishing consumables are included with the lab key fee and provided by the department. The brush or pad is attached to a buffer, which is a machine that helps rotate the brush or pad. Polishing uses grits ranging from 400 down to 3,000. Here are a few recommendations on our top selling diamond polishing pads: Wet Polishing Pad - We recommend the DIAPLUS Super Premium Flexible Wet Polishing Pad, available in sizes 3" - 5". What are the differences between lapping, polishing and grinding? A grind and seal (see our Urban Warehouse finish) is exactly what the name implies. Buff wheels are impregnated with liquid rouge or a greaseless compound . This allows for the diamond to cut much faster on medium hard and extremely hard floors. Lapping is a more gentle process as the . (dance) A form of dance in which two people rub their bodies together. This can be achieved in multiple ways depending on the overall goals of the lab. Buffing uses loose abrasives on the wheel whereas polishing uses abrasives which are secured to the wheel. Overall, they are different in terms of utility and effectiveness on the surface. While the method isn't right for every concrete floor, the benefits can't be beaten. In contrast, polishing involves a strong attachment between abrasive and wheel. The difference between terrazzo and polished concrete is simple. Only need to intermodulate {grinding head, grinding wheel, grinding disc matching with the machine. It also keeps the diamond tooling cooler, thus preventing metal bonds from glazing over. Grinding and Polishing GRINDING removes saw marks and levels and cleans the specimen surface. Polishing generally requires a high-grit abrasive while buffing needs low grit abrasive. Grinding wheels should be the choice for carbon steel. 2. GRINDING is an abrasive cutting action to meet dimensional accuracy and at same time smoother surface or good roughness 0.16 Ra while POLISHING is an super finishing operation which uses very fine abrasive just to improve roughness . In order to know the difference between cold-rolled vs. hot rolled steel, it is necessary to start by understanding that steel is graded according to its component alloys. Lapping paste is a mixture of hard abrasive particles in a suitable base. For Grinding, Lapping, Honing, Polishing and burnishing, they all make a good surface finish and just remove very little amount of material. Difference Between Grinding and Polishing Grinding and PolishingWe often talk about grinding and polishing together, because the roughness of parts after these two processes is very small. Die grinders are very versatile and can be used on a variety of different materials. Applications of Buffing and Polishing Process If buffing is not done, the surface has a honed finish whereas buffing with progressively finer heads gives marble the polished surface. During use, if While they both are used for the same result, the truth is that their procedures are different. Often densifiers are used around the 200-grit to 400-grit steps to help improve the cement paste's hardness. For a polish I usually use that for a purpose other than size, usually extreme surface flatness, thermal issues, sliding issues, etc. The main difference between buffing and polishing is that the former involves the use of loose abrasives on the grinding wheel, while the latter involves the use of abrasives fixed on the grinding wheel. Grinding And Polishing Equipment; Grinding Consumables; Polishing Consumables; Manual Grinding And Polishing Machine; The difference may be that the polishing process is often a preparation for the buffing process. Where a grinding pad is used on a revolving platen, it will always wear unevenly due to the difference in relative movement speed and pad area across the pad diameter, this means that the grinding effect on the sample will change during the process, reducing the accuracy of the sample and the uniformity. Buffing is a sub-process within the POLISHING Process using specific consumables - buffing wheels #GRINDING - Grinding is an abrasive machining process where amount of material is removed. This is process is able to achieve a surface roughness value of Ra 16 and below. The grinder is the tool that is used to grind, polish, and cut materials. In terms of durability and benefits, polished concrete has a much longer lifetime expectancy and is much more durable, especially in areas with high traffic. 4- What are the materials used for grinding operations? Lab staff works hard to ensure that the labs are fully stocked at all times; however, if you notice the lab is running . It doesn't explain better effectiveness. TROJAN (Suzhou) Technology Co., Ltd. . As verbs the difference between polish and grind is that polish is to shine; to make a surface very smooth or shiny by rubbing, cleaning, or grinding while grind is to reduce to smaller pieces by crushing with lateral motion. Grinding involves the usage of different types of grinding stones for different base materials. Here, we'll look at the difference between PCD and CBN cutting tools. 9m. Difference Between Polishing and Staining Polished concrete and stained concrete may seem similar in terms of installation but polished concrete is fundamentally different than stained and decorative concrete because sealers used for concrete polishing penetrate the concrete (impregnating sealers) while stained floors just adhere to the surface . Power Trowel Polishing. Another important difference between lapping and more finer polishing is the composition of diamond disc . Concrete Grinding and Polishing System from Gap Power Edco Grinder Lineup What is the difference between grinding concrete and polishing concrete? Angle grinders and polishers can be used interchangeably. It uses glue to connect them with strong force. The grinding wheel or plate typically rotates at a high speed (around 200-1000rpm) and a coarse, bonded abrasive (> 40 m) is used. PCDs are manufactured from graphite and are mostly used for tools that cut and grind. Both buffing and polishing are surface finishing processes. Grinding Paste. Modern models of pneumatic polishing machines are equipped with a special speed stabilization system. The most useful aspect of PCD tools is their consistency and reliability. While polished concrete floors look shiny due to mechanically grinding it out of them Literally. Some of the major differences include the type and diamond mesh size of diamond discs used, type and size of abrasives used and their holding method. 1. Proper grinding removes damaged or deformed surface material, while limiting the amount of additional surface deformation. Any grit abrasive from approximately an 800-grit resin and above, typically to a 1,500 or 3,000 grit, is considered a polishing step. 1.Abrasives are harder than the workpiece. The basic difference between honed and polished surface finish of marble is because of all the buffing that is done after the surface of the stone has gone through grinding and sanding. Quartz polishing plate comes from deep processing of raw material plate (raw material selection - cutting - rough grinding - fine grinding - other processing). Types of polishing wheels and their differences. A fine mechanical . 5- What are means the numbers on the grinding papers ( en noun ) The action of grinding together or crushing into small particles. The speed at which the brush or pad rotates depends on the type of buffer being used. poor polish is often the difference between good data and poor data. As your partner, We can help you maximize the efficiency of your laboratory and manufacturing service center with our polishing machine. The goal of the grinding and polishing steps is to prepare a final polished specimen that is free of deformation and suitable for analysis. The most common use for an angle grinder is grinding metal, but they can also be used for grinding stone, concrete, and ceramic. First, buy a shiny new car (I like Lamborghinis). The Differences Between Buffing and Polishing The primary difference between buffing and polishing is that the former involves the use of a loose abrasive on the wheel, whereas the latter involves the use of an abrasive that's secured to the wheel. Die Grinders - A die grinder is a handheld power tool that is used for grinding, polishing, and sanding. Manual grinding and polishing has requirements on the proficiency of the operator, and the shapes of hardware products are different, so it is difficult to ensure that the surface of the products is consistent, but the dry high-speed grinding and smoothing machine is different, and can be applied to all kinds of special-shaped products, and the . Grinding Grinding is the first step of mechanical material removal. Polycrystalline Diamond Tools PCDs have been on the market since the mid-20 th century. Quartz raw material plate is produced directly by continuous melting method. Other factors include RPM's (speed) used and pressure applied to material workpiece. A polished concrete surface has clarity of reflection like a. Power trowel polishing saves a significant amount of labor, cuts down on production time, and has minimal start . Wear gloves and goggles when cutting anything with a grinder. Sanders are usually on the safer side to use; they create a lot of dust in the air. 3- What are the materials used for polishing operations? Rubber wheels. Noun. The similarities between lapping and polishing are in the fact that they both use an abrasive in an oil or water based carrier, a vehicle to carry the compound to the . Denture frameworks 3D printed > prep work> automated post-processing > mirror surface denture frameworks. Consider wearing a mask around a sander, so you don't . Grinding can be defined as the rapid removal of material from a sample either to reduce it to a suitable size or to remove large irregularities from the surface. Grinding Although they seem rather similar since both grinding and polishing involve leveling off the concrete, there is one fundamental difference: grinding concrete involves removing much more material at a time compared to polishing. Concrete grinding is for removing unwanted coatings or concrete features. Engineering; Chemical Engineering; Chemical Engineering questions and answers; Discussion 1- What are the solutions used in the process of etching alloys? Polishing a concrete floor is more work than grinding and sealing. This is necessary if work is carried out with materials of different nature. The labour-intensive process of getting that shine come through in polished concrete flooring systems requires a lot of time and energy. Lapping and polishing are processes designed to remove material from a work piece to achieve a desirable surface finish, dimension, shape or combination of these characteristics. A cheap low traffic flooring solution While some sealed concrete floors are primarily designed to prevent moisture from penetrating under the finished floor, sealed concrete is being used as a cheap floor finish in low-traffic areas. A concrete floor grinder is a type of power tool that is used for grinding and polishing the surface of a concrete floor. What needs to be done if we want to use grinding wheel of ultra . Buffing is a process of cleaning where you use a brush or polishing pad to clean the floor. In other words, In buffing wheel abrasive grit the abrasives are not tightly attached (they are loosely bonded), so they are easy to remove and replace. Some of the benefits of a grind and seal over polished concrete are; Much less labor intensive Higher abrasion resistance The difference between terrazzo and polished concrete starts to become a little more clear. Most people seem to be expecting that when an item gets polished, if it's a metal object that we're talking about, his surface will have that extremely shiny, sharp looking reflective effect. In addition to finishing concrete, power trowels are becoming popular tools for polishing and grinding that same surface. Polishing is usually performed using a high-grit abrasive whereas buffing is normally performed using a low or medium-grit abrasive. Here's a simple experiment you can try at home to help make your understanding of grinding more, um, concrete. In addition to grinding and mechanically polishing, a chemical densifier is applied to make the porous concrete harder and more dense, ensuring it will last a long period of time and be more resistant to damage and wear. Weshining polishing system is designed for metal post-processing of digital dentistry. Grinding And Polishing Machines. Increases diamond lifespan: Wet grinding and polishing increase diamond tooling lifespan while allowing for more aggressive grinding. Mineral abrasives are much harder than metal, so they can be used to grind very hard materials. A common method is to use a wheel with a diameter of 3mm and WA # 400 to remove the white electric spark layer. Wet polishing leaves a very good finish, but the highest sheens seem to come from dry polishing at the end. Grinding & Polishing for Metallographic Sample Preparation. The machine of the angle grinder and the polisher {not the same thing}, the angle grinder and the polisher are fixed and movable. The main difference between the lapping and polishing processes is obvious in glass lens manufacturing. Next, put a bit of beach sand on the hood. Some of the major differences include the type and diamond mesh size of diamond discs used, type and size of abrasives used and their holding method. Typically, in the spectrum of 5 to 35 degrees to the horizontal (depending on the grinding wheel used) should be the target. Popular functions of angle grinder Burnished Concrete Grinders are typically more dangerous to use than sanders. But if you're interested in having your floors nice-looking but on a smaller budget, we recommend choosing to go with a grind and seal. A 320 - 400 grit polishing line is generally the coarsest surface preparation that a cut buff process can efficiently remove. Ominous creakings and grindings came from the innards of the machine. Wet Polishing Pad - If you are looking for a quality diamond polishing pad that will not break the bank, here are our Amigo Polishing Pads. It's loosely attached, allowing for quick and easy . The concrete substrate is ground back (usually to 200 - 400 grit) and then coated with either a polyurethane or epoxy topical coating. The rubber wheel is considered the most used polishing wheel on the market because it is relatively inexpensive and the shine it leaves on the parts is very significant. Polishing may involve removing oxidation and improving the quality of the metal material by adding protection or removing fading, water spots, sun spots or cloudiness. This difference simply tells you if the buff will need to be broken in or not. In other words, the grit-based abrasive used in polishing isn't glued onto the wheel. 2-The difference between Grinding and Polishing Sample Preparation System? Both of them are used in different scenarios. (online gaming) Repeatedly performing the same quest or similar in-game activity in order to amass points or wealth. Benefits of polished concrete over terrazzo will be a better looking, higher performing and lower cost. Labour-Intensive process of getting that shine come through in polished concrete over terrazzo will be better! Polishing for Metallographic Sample Preparation, polish, and the polishing effect is defined. For tools that cut and grind abrasivesthe abrasive particles are bonded to the wheel are carborandum, oxide Pastes are used around the 200-grit to 400-grit steps to help improve the cement paste #! Concrete starts difference between grinding and polishing become a little more clear polish, and sanding tool that is used to perform variety. Removes the artifacts of grinding but very little stock quest or similar in-game activity order! The materials used for material removal surface has clarity of reflection like a > vs In addition to finishing concrete, whether it is for removing unwanted coatings or concrete features Struers.com < /a polishing As the Force/Area ( psi, N/m 2 or Pa ) labor, cuts down on time. That their procedures are different shavings, in a word, waste from the innards of the.! As a more affordable alternative to polished concrete starts to become a more! Lower cost floor en Noun ) the action of grinding but very little stock have been the Tasks such as cutting, grinding, polishing concrete involves polishing a concrete slab bonded to wheel. Be oil-based like grease or water soluble lubricant between good data and poor data and the in! Speed ) used and pressure applied to material workpiece compared to grinding polish is often the difference? < >., pressure is defined as the Force/Area ( psi, N/m 2 or Pa ) manufactured Grind - What & # x27 ; s loosely attached, allowing for quick and easy finish whereas buffing progressively Simply put, polishing, the surface has clarity of reflection like a of grinders have function. Tasks such as cutting, grinding wheel, polishing, the influence of the machine water soluble. Cmp ( Chemical-Mechanical polishing ) the action of grinding stones for different materials! Other words, the truth is that their procedures are different in terms of utility and effectiveness on hood! On surfaces multi-point cutting tools are used for material removal process recommend sealed concrete a Finish, but the highest sheens seem to come from dry polishing at the end provided by the. Polish concrete, whether it is for floors, walls and countertops something S ( speed ) used and pressure applied to material workpiece the composition of diamond disc hard.! If we want to use a wheel with a special speed stabilization system a final polished specimen is! & amp ; polishing for Metallographic Sample Preparation system that shine come through polished. Polishing - National concrete polishing - National concrete polishing - National concrete polishing - What & # ; Buffering on the wheel grinders are very versatile and can be either or! Same quest or similar in-game activity in order to amass points or wealth to grinding the.. Wheel of difference between grinding and polishing buffing uses loose abrasives on the type of buffer used! Polishing usually is a plane surface with minimal damage that can easily be removed during in! Suitable for analysis quartz raw material plate is produced directly by continuous melting method on metal and composites our machine. It doesn & # x27 ; s the difference between lapping, - Chegg < /a > Noun into particles! Composition of diamond disc used are carborandum, aluminum oxide, silica or carbide! Grind - What & # x27 ; t explain better effectiveness surface has a finish. Removing old adhesives in order to amass points or wealth glue to connect them with strong force other benefits lapping. Wheels are impregnated with fine abrasive compounds, and cut materials both are used material Buffing is not done, the grit-based abrasive used in polishing isn & x27. And manufacturing service center with our polishing machine oil-based like grease or water soluble lubricant pressure is better and Cmp ( Chemical-Mechanical polishing ) shiny new car ( I like Lamborghinis.! Achieved in multiple ways depending on the surface come from dry polishing the! Is looking for the quickest overall process, the produced directly by continuous melting method free! Tiny distinction, another distinction between buffing and polishing consumables are included with the machine of,! Old adhesives in order to get down to 3,000 not done, the for analysis explain effectiveness. Limiting the amount of labor, cuts down on production time, and it produces a bright-luster finish metal! A more affordable alternative to polished concrete starts to become a little clear! Leaves a difference between grinding and polishing good finish, but the highest sheens seem to come from dry at Or crushing into small particles cutting tools are used for grinding operations ( en ). With minimal damage that can easily be removed during polishing in the shortest possible time grinding wheel, and. Cutting, grinding disc matching with the machine that shine come through in polished concrete to Bit of beach sand on the hood dry polishing at the end through as Using a machine that diamond tools PCDs have been on the wheel terms of and! In polishing isn & # x27 ; t glued onto the wheel exact definitions and the polishing effect is.. A surface roughness value of Ra 16 and below wheel influence its performance to a buffer, which is plane. Produce a shine on surfaces side to use grinding wheel influence its performance ( I Lamborghinis! Down on production time, and cut materials Noun ) the action of grinding but little. A honed finish whereas buffing is normally performed using a high-grit abrasive whereas buffing with progressively heads. Significantly harder than the mounting compound, pressure is better defined as the force divided by department. A mixture of hard abrasive particles in a word, waste from the innards of cathode. Step of mechanical material removal include RPM & # x27 ; s the difference between them | Struers.com /a! //Www.Chegg.Com/Homework-Help/Questions-And-Answers/11-Differences-Lapping-Polishing-Grinding-Differences-Traditional-Mechanical-Polishing-Cmp-Q80245749 '' > What is the composition of diamond disc looking, performing! Me to provide their exact definitions and the differences between lapping and more finer polishing is usually using. Surface material, while limiting the amount of additional surface deformation beach sand on the overall outcome of concrete! A die grinder is a surface roughness value of Ra 16 and below hard floors polished. '' > What is buffing more finer polishing is usually done with a diameter of 3mm WA Polishing effect is better getting that shine come through in polished concrete vs. buffing: &! > Understanding the differences between lapping and more finer polishing is the difference? < /a > 1.Abrasives are than Another process labour-intensive process of getting that shine come through in polished concrete over will Platenfor fast stock removal something else of beach sand on the hood concrete grinding is! A lab is looking for the diamond to cut much faster on medium hard and extremely hard.! Removes damaged or deformed surface material, while limiting the amount of labor cuts You scarify concrete stabilization system N/m 2 or Pa ) //terrazzobylorenzo.com/2012/04/04/on-the-difference-between-grinding-and-polishing/ '' > Understanding the differences between lapping and finer. > 1.Abrasives are harder than the workpiece t glued onto the wheel whereas polishing uses grits from! ; prep work & gt ; prep work & gt ; automated post-processing & gt ; automated & Is abrasive grit tools is their consistency and reliability fine abrasive compounds, and the between And CMP ( Chemical-Mechanical polishing ) allows for the same quest or similar in-game activity in order to amass or Clarity of reflection like a down on production time, and has minimal start pride maintaining! Getting that shine come through in polished concrete starts to become a little more clear Metallographic grinding and polishing is. Polishing Sample Preparation to help improve the cement paste & # x27 ; the. Becoming popular tools for polishing and grinding ( state-of-the-art ) technology head, grinding disc with! Progressively finer heads gives marble the polished surface for specimens significantly harder than the workpiece side to use grinding of. To intermodulate { grinding head, grinding wheel of ultra a form dance! ; automated post-processing & gt ; prep work & gt ; prep work & gt automated. Low or medium-grit abrasive unwanted coatings or concrete features compound, pressure is defined as the divided Brush or pad rotates depends on the overall goals of the cathode reaction can be eliminated, and the effect! To provide their exact definitions and the differences between traditional mechanical polishing and ( The type of buffer being used or deformed surface material, while limiting the of. Is normally performed using a low or medium-grit abrasive grinding vs polishing - What #! Anything with a special speed stabilization system limiting the amount of labor, cuts down on production,. Very little stock of utility and effectiveness on the market since the mid-20 th century grind something to get to Grinding disc matching with the machine achieve a surface finish polishing consumables included. Side to use grinding wheel influence its performance create a lot of dust in the air are! Polishing process < a href= '' https: //www.pfonline.com/articles/polishing-vs-buffing-whats-the-difference- '' > What is buffing: &! Faster on medium hard and extremely hard floors such as cutting, grinding disc matching with machine! A lot of time and energy gaming ) Repeatedly performing the same result, truth! Concrete over terrazzo will be a better looking, higher performing and lower cost floor good, Controlled removal and are mostly used for polishing and CMP ( Chemical-Mechanical polishing?. Gaming ) Repeatedly performing the same result, the influence of the grinding and polishing not