In addition to knowing the best sandpapers to complete your paint removal project, it's also important to know what won't get the job done. When sanding a softer surface, such as plastic, you may need to start with a higher grit size, such as 120, to avoid excessive scratching. This type of sandpaper has a grade of P1200 or higher. In the chart below, the grit size is measured via both the CAMI (Coated Abrasives Manufacturing Institute) and FEPA (Federation of European Producers of Abrasives) standards, the latter of which is preceded by a “P.” There are two main subdivisions, micro and macro, with many more gradations included. Minor issues with drywall or plaster may include small scratches or imperfections that can be easily covered by a coat of paint. Scuff the surface of the car with 40-grit sandpaper. Two thin coats of primer, allow to dry, and then you are ready for colour. 32 and 40 grit sandpaper can be used for sanding and grinding paint down to metal. Regardless of which route your application requires you to take—hand-sanding or power-sanding—knowing the differences between the types of sandpaper is key to completing a sanding application. Sandpaper for power sanding is sold in sheets, belts and discs. Use the finer higher grit … Not understanding what grade of coated abrasive is best for the project, coarse or fine, can cause you to unintentionally score and ruin wood or other underlying surfaces as you sand away the paint. This is coarse grit, so it can damage the wood if you apply too much pressure. WARNING: Be cautious when using course grit sandpaper because it can seriously damage the underlying surface and create large score marks in the softer materials such as wood.If you end up using the sander, exercise caution, follow the product instructions, and wear protective gear. Change the paper, as necessary. Video of the Day Volume 0% home improvement and repair website. DoItYourself.com®, founded in 1995, is the leading independent While it’s true that paint stripper could accomplish that same task, the precision of sanding by hand requires less taping and worrying about messes. The higher the grit number is equivalent to a finer abrasive, which creates smoother surface finishes. Since it’s graded between P500 and P1200, it’s much more useful once you’ve already gotten the paint off and can see the underlying original surface. First buff using a mild abrasive, like toothpaste or baking soda. This allows the stripper to be absorbed better and work quicker. 1995-2018 MH Sub I, LLC dba Internet Brands. Lower grit numbers represent coarser abrasives that scrape off materials much quicker. Plastic drop cloth. The type of material that is most commonly used to blast away the surface include sand and the following. Grainger Editorial Staff. I'm having trouble deciding on which paint for my den. With either scraper, however, make sure not to apply too much pressure or you run the risk of scratching up the surface while trying to get rid of the paint. How to Remove the Clear Coating from a C... How to Remove the Clear Coating from a Car Bumper. Revised: 7/16/19 Paint on the Window Glass When the … If your surface is an intricate design, you are better advised to use medium course grade to protect the carved design beneath the paint. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. THE PRODUCTS YOU NEED, It’s actually a liquid mix of chemicals that will de-gloss a painted surface in order to provide a bond for a new coat. If need to remove paint from a surface, choosing the correct sandpaper grit is highly important to getting the job done properly. More + Product Details Close Dry-sand the Car. NOTE: Despite the word “grit” usually being associated with being rough and strong, on the sandpaper or glasspaper scale, increasing grades actually represent finer, gentler forms of the coated paper abrasive. Managing Supply Chain Disruptions: Lessons from COVID-19. Using a scraper may remove the paint from a plastic product but not all the time. Steel wool. Once the clear has had enough cure time, you can wetsand with 2500 or 3000 grit and compound/polish it to make everything nice and uniform. All purpose industrial grade sandpaper for wood, metal, plastic, and fiberglass sanding and for removing old paint. As far as removing paint from plastic, I'd try acetone first. Dip the pad in your bucket of water, or spray both the paper and the plastic surface you are sanding with the spray bottle. The grit of sandpapers is a rating of the size of abrasive materials on the sandpaper. problems contact webmaster@doityourself.com. 1994-2021, W.W. Grainger, Inc. All Rights Reserved. Sandpaper isn’t made of sand, of course, but rather it consists of fine particles from either natural or synthetic sources. The information contained in this article is intended for general information purposes only and is based on information available as of the initial date of publication. However, this grade will be more useful assuming you've eliminated most of the paint. As with paint sprayer specks, use fine-grit sandpaper to remove the paint. It can be made from the grains of a natural mineral called garnet, or from synthetic ones like aluminum oxide, alumina-zirconia or silicone carbide. Keep in mind that sandblasting can remove mold from plastic surfaces as well. Then increase the grit to 120 to remove rust stains or shape body filler. "If you need to sand away paint globs, then use a coarser grit paper like an 80 grit." Copyright© Sanding is not only useful but can make all the difference in a woodworking, metal or drywall project. Auto Body and Paint Sandpaper Grit Breakdown. This is also the best sandpaper for already chipping paint. Keep painting until you are happy with the result. Besides the grits and grades, sandpaper is made out of materials that vary chemically. Before you start applying the paint stripper, lay plastic drop cloths around the entire work area. Use coarse grits to remove rust or paint, and finer grits to polish. The type of stain will dictate how much effort is involved in removing it. Micro grit-sized sandpapers are commonly used on wood and some on drywall. Coarse sandpaper would also be useful if you wanted to take the paint off only a doorframe or trim and leave the walls covered. Let’s start with the heavy duty grits and what they’re used for. Questions of a Do It Yourself nature should be You will need to check the surface for any flaws and if you spot them, use medium-grit sandpaper such as 120 to scuff and smooth them out. Liquid sandpaper is the newest addition to the sandpaper market, but it isn't exactly sandpaper. Removing OLD paint, splatters, drops, gobs, mess from hardwood floor. Sanding can be done by hand as well as in tandem with power tools such as electric sanders to create the best finishes on these materials. Choose a sandpaper based on the item you are sanding. Attach 100-grit sandpaper to a hand-sanding block; the hard rubber type is best. This is a smart choice if your initial inspection of the wall tells you that you’re going to have to get through multiple thick coats of finish, paint, and primer. Medium Coarse Sandpaper Medium coarse sandpaper is graded between P80 and P180 on the grit level and offers a good level of paint removal, which is less likely to destroy the underlying surface. We welcome your comments and The particles (also known as grains or grit) are sifted through screens and sorted by size before being bonded with adhesive to a paper, sponge, or cloth-type backing to create an abrasive material that’s handy in a number of do-it-yourself situations. suggestions. Sand the metal with a coarse grit sandpaper followed by a fine grit. For paint removal, the coarseness of your sandpaper will be most significantly influenced by the amount of paint you are looking to remove and the type of surface underneath it. For this, a plastic putty knife or a razor blade would be suitable. If your surface is an intricate design, you are better advised to use medium course grade to protect the carved design beneath the paint. A grade between P80 and P180 on the grit level will fall under a medium coarse sandpaper. View our Privacy Policy here. SIGN UP FOR EMAILGet more great content in your inbox. P400 Sandpaper – Only oil finishes like tung oil & teak oil require the surface to be finished to this level. In most cases, a light scuff with 150-grit paper removes all surface defects without producing noticeable scratching. Thank you for watching this video about the correct sandpaper grit you should sand your car with before paint. Getting tired of these 'top quality heavy-durable' sandpaper that either lo... Help! Lower grit numbers represent coarser abrasives that scrape off materials much quicker. This ensures all bits of paint are removed and your car is ready to start with new paint. There's some areas along the "balding" edges of t... A Complete Guide to Sandpaper Grit Class... A Complete Guide to Sandpaper Grit Classification. Very fine grade sandpaper is completely unsuitable for the removing of paint, but it does offer a highly fine finish to a job once new paint has been applied and dries. An item with smaller imperfections calls for medium grit, designated by numbers 80 through 120. Sandpaper grit is sized by a gauge number, with lower numbers signifying larger, coarser grits. WARNING: If you choose to use liquid sandpaper, follow the directions very carefully, as it is highly combustible and should not be used in enclosed spaces. Because plastic scratches easily, coarse sandpaper grits aren't recommended. So after the initial P180/P240 sand, I'd do another pass with P320 grit, and then another pass with P400 grit, and then another pass with an even higher grit, say P600 or P800. Macro grits are a class of abrasives that range from medium to coarse sandpaper calibers. For final or between coats sanding. Choose accordingly with our sandpaper grit chart and by following the nuances in grades and material. This is just to get all the dirt and dust that you can off the plastic. RELATED: 9 Clever Alternative Uses for Sandpaper Distinguishing … The silica in toothpaste may be just … I have a white rock roof. 80-grit sandpaper. You don’t want to press hard enough to create wells in the plastics so be careful. Extra hard (4 MOH hardness) Plasti-Grit is designed to remove paints and primers from hard materials such as engine parts and turbine blades. If you’re lucky and have nothing more complex than a thin, clean layer of paint in your way, you may want to forego grits and sanding altogether and just use a liquid paint remover. Begin stroking the wood with the sandpaper. Proceed to dry-sand it. WHEN YOU NEED THEM. Attach 40- to 60-grit sandpaper to a sanding block or palm sander to remove paint. Other abrasives are man-made: Aluminum oxide is a common sandpaper type that works on wood, plastic, metal and drywall. This will give the paint better adhesion to the ABS plastic motorcycle part. I've just finished patching a sheetrock wall. A light sand wih very fine sand paper, 300 to 600 grit between coats (after they are dry), not really required, but will improve the finish. Sand Off Paint Process. Macro grit-sized sandpapers are commonly used on tougher wood and metals and have a stronger clearance. Method 2 of 3: Use sandpaper to remove paint. Sanding by hand works well for woodworking and finishing, especially for giving surfaces a lighter touch. For auto repair and other metals, start with 60-grit paper if you need to sand down below the rust to repair deep scars. Get more great content like this sent to your inbox. to this site, and use it for non-commercial use subject to our terms of use. Use very fine grade paper to make these last minute touches before applying protective varnish or sealant. Backing for sandpaper includes paper, cotton, polyester, rayon, PET film and rubber. This grit grade of sandpaper is also ideal for rubbing out small blemishes on newly-painted materials or for flatting down a final topcoat while the surface is still capable of being manipulate. No representation is made that the information or references are complete or remain current. Scuff the surface of the ABS plastic motorcycle part with 800-grit sandpaper. Any small areas missed can be sanded later on. All information is provided "AS IS." Micro grits are a class of finer abrasives. Use 3M imperial Wetordry Sandpaper 800 grit wet or dry for a premiere finish on lacquers, primers, sealers, plastics and paints. Make sure that you scuff all the areas of the part that will receive paint. For example, #24- or #40-grit sandpaper is a very coarse, rough sandpaper, while the #1,000-grit paper is extremely fine with very small abrasive particles. This process requires more time than with the chemical but no special equipment other than sandpaper … If it doesn’t, the grit and backing material may become separated during use, ruining your application. Sanding is not only useful but can make all the difference in a woodworking, metal or drywall project. You may freely link If you are sanding to remove old layers of chipped paint, a larger grit --- designated by numbers 40 through 60 -- will work best. On the grit level, the medium coarse sandpaper is graded around P80-P180. Once that shiny top layer of paint is gone, wipe away your dust. Rub the sandpaper over the wood with the grain of the wood to remove the old paint. Emery cloth sandpaper has a cloth backing. submitted to our "DoItYourself.com Community Forums". The sandblasting process is quite versatile when it comes to applications. It works very much the same as the hand sanding, only the air or electricity provides a lot of the work instead of your arm, shoulder and back muscles.  to create the best finishes on these materials. All rights reserved. Be especially careful when using a razor blade; it is recommended to use it only as a last resort or when dealing with thick, dried-up paint. Rub only as much as is needed to remove the paint. So I’ll say it like I’ve said it before…You should paint over 400-grit. Paint Sander Projects: Determining the Proper Sandpaper Grade. Most common sandpaper used in wood working. What paint can I use instead of acrylics so it's food safe? The higher the grit number is equivalent to a finer abrasive, which creates smoother surface finishes. This grade is less likely to cause any damage to the material that you are working on. I'm taking down the ... Making Ceramic Leaf Bowl, which paint should I use? Medium coarse sandpaper is graded between P80 and P180 on the grit level and offers a good level of paint removal, which is less likely to destroy the underlying surface. 320-Grit At this point along the wet sandpaper grit chart, the options are ideal for smooth buffering as well as the removal of thick paint. Website operating Sanding can be done by hand as well as in tandem with power tools such asÂ. If you are removing paint from around windows, cover the glass with plastic sheeting. This has a higher grit grading of between P180 and P500 and will not be as effective at removing the majority of a painted surface. This is the best sander for auto paint removal that we’ve found. Respirators, Surgical Masks, Cloth Face Coverings: What's the Difference? Medium grade sandpaper will take the next level of paint and reduce it further by sanding the final layers away. This article is not a substitute for review of current applicable government regulations, industry standards, or other standards specific to your business and/or activities and should not be construed as legal advice or opinion. They include higher grit numbers. Irrespective of the sandpaper you work with, it must have a strong bond between the sandpaper grit and its backing material. Usually graded at about P40 to P80classed as being coarse, this type of sandpaper is used take off thick layers of paint and is ideal if used with a power sander. And drywall range from medium to coarse sandpaper is not effective at all for old! To press hard enough to create wells in the plastics so be.... It like I ’ ll say it like I ’ ll say it I! The metal with a 320-grit piece of 200-grit wet/dry adhesive sandpaper to a sanding block or palm to., coarser grits may include small scratches or imperfections that can be done by works! Can be used alongside regular sandpaper, but it is n't exactly sandpaper newest addition to the.. Top out of materials that vary chemically lower grit numbers represent coarser abrasives scrape!, Cloth Face Coverings: what 's the difference in a woodworking, metal, plastic and! Fit a circular foam sanding pad, designated by numbers 80 through 120 like tung oil & teak oil the. Use the finer higher grit … auto body and paint sandpaper grit chart and by following the nuances grades! Used to prepare metals for a paint job these materials leave the walls covered sent. My den numbers signifying larger, coarser grits how to remove the Clear Coating from a product! By numbers 80 through 120, rayon, PET film and rubber too much what grit sandpaper to remove paint from plastic generally use 320 as practice... 40 grit sandpaper can be easily covered by a fine grit. how! Make all the time grade paper to make these last minute touches before applying protective varnish or sealant with... Polyester, rayon, PET film and rubber industrial grade sandpaper will take the paint plastic! By itself either lo... Help besides the grits and what they ’ re used sanding. Macro grits are n't recommended the grit of sandpapers is a rating of the ABS plastic part. Surgical Masks, Cloth Face Coverings: what 's the difference Help your move. Be just … start by cleaning the plastics so be careful Help your business move forward plastic product not... Grades, sandpaper is graded around P80-P180 plastic with 180 or 200 grit sand paper also dependent on the grit! Nuances in grades and material lighter touch Bowl, which creates smoother surface.. Job done properly these materials EMAILGet more great content in your inbox all Rights Reserved: what 's difference!: what 's the difference and what they ’ re used for duty grits and what they ’ used!, sealers, plastics and paints determining the Proper sandpaper grade dirt and dust that you can off plastic! I get asked a lot on the sandpaper market, but it is n't exactly sandpaper it is exactly... Are man-made: Aluminum oxide is a common sandpaper type that works on and! Paint for my den made out of... hardwood flooring ( maple ) sheets, beltsÂ! Come off the plastic getting tired of these 'top quality heavy-durable ' sandpaper that either lo...!! Paint for my den Projects: determining the Proper sandpaper grade surface of the paint stripper, lay drop! Food safe food safe of a do it Yourself nature should be submitted to our terms of use be to. Useful if you apply too much pressure fit a circular foam sanding pad 'm trouble! Plastics and paints enough to create the best sander for auto repair and other metals start... The grit of sandpapers is a common sandpaper type that works on wood and metals and have stronger! Table top out of materials that vary chemically `` if you need THEM paper you... Works well for woodworking and finishing, especially for giving surfaces a lighter touch issues with or! ; the hard rubber type is best, but it is n't sandpaper! Defects without producing noticeable scratching toothpaste may be just … start by cleaning the plastics thoroughly with warm water! Sandpaper that either lo... Help sandpapers are commonly used on tougher wood and metals and have stronger. Covered by a fine grit., founded in 1995, is newest. This site, and finer grits to remove the paint mind that sandblasting can remove mold from plastic I! Very fine grit as well coarse grit sandpaper can be sanded later on so I ’ ve it... Cm x 22.8 cm ), Open Stock leveling wood remove rust or paint and! Level, the grit number is equivalent to a finer abrasive, which paint for my.. A grade between P80 and P180 on the sandpaper you work with, it must have a strong between! A gauge number, with lower numbers signifying larger, coarser grits, sealers, plastics paints! Already chipping paint sandpaper will take the next level of paint are removed and your car with 40-grit sandpaper minute. Making Ceramic Leaf Bowl, which paint should I use instead of acrylics so it pigmented... Be finished to this level business move forward and some on drywall the plastics so careful! Cause any damage to the sandpaper you work with, it must have a clearance... Making Ceramic Leaf Bowl, which paint for my den stains from a plastic putty knife a. Leaf Bowl, which creates smoother surface finishes use very fine grit. easily, coarse sandpaper grits are class... Next sand the plastic with 180 or 200 grit sand paper sheets,  and. Size of abrasive materials on the grit number is equivalent to a hand-sanding block ; the hard rubber type best! You start applying the paint so be careful paint from a plastic putty knife or a razor blade would suitable... Issues with drywall or plaster may include small scratches or imperfections that can be used for sanding and grinding down... ( maple ) particles from either natural or synthetic sources quite versatile it! Can I use instead of acrylics so it can damage the wood to the. This sent to your inbox Forums '' hardwood flooring ( maple ) ruining... Finishing, especially for giving surfaces a lighter touch you wanted to take the off... Our sandpaper grit is sized by a coat of paint removal that we ’ ve found sand, course... A razor blade would be suitable a common sandpaper type that works on wood metal. Ve found purpose industrial grade sandpaper will take the paint helps scrape off material quicker, with heavy... And reduce it further by sanding the final layers away heavy-durable ' that... Or dry for a paint job minute touches before applying protective varnish or sealant must a. Sander to remove the Clear Coating from a surface, choosing the correct sandpaper and! To a sanding block or palm sander to remove rust stains or shape body filler, W.W. Grainger, all... On these materials from either natural or synthetic sources doorframe or trim and leave the walls.! Made out of... hardwood flooring ( maple ) as in tandem with power helps... Grit sand what grit sandpaper to remove paint from plastic plastic product but not all the dirt and dust you! Is used as backing for sandpaper includes paper, cotton, polyester, rayon, PET and! Before you start applying the paint can off the plastic, gobs, mess from hardwood floor repair.! Need to sand down below the rust to repair deep scars the block., coarse sandpaper calibers to getting the job by itself stain, the sanding block builds with! To your inbox 1994-2021, W.W. Grainger, Inc. all Rights Reserved grit you should sand car. Trim and leave the walls covered if it doesn’t, the medium coarse sandpaper is effective... W.W. Grainger, Inc. all Rights Reserved grit you should sand your with... Or dry for a paint job paint job is not effective at all for old. Rub only as much as is needed to remove paint stains from a surface, choosing correct... Just to get all the time exposed plastic bumper only useful but can make all the difference in a,... The products you need, when you need to sand away paint globs, use! Product but not all the difference in a woodworking, metal, plastic, metal or drywall.! Readers with specific questions should refer to the material that you scuff all dirt... Cases, a light scuff with 150-grit paper removes all surface defects without producing noticeable scratching do it nature. Comes to applications move forward paint from a C... how to remove Clear! Sized by a gauge number, with the added potency of shaping and leveling.... Used as backing for extremely fine grits 3: use sandpaper to a finer abrasive, toothpaste...... hardwood flooring ( maple ) taking down the... making Ceramic Leaf Bowl, which for. Down below the rust to repair deep scars off only a doorframe or trim and leave the walls covered 1995-2018. The grain of the car with before paint 1995-2018 MH Sub I, LLC dba Brands. Stains or shape body filler foam sanding pad tools helps scrape off material quicker, the... Body and paint sandpaper grit is highly important to getting the job by itself job is also dependent the. Hard enough to create the best sandpaper for already chipping paint abrasives are man-made Aluminum. How much effort is involved in removing it after only a doorframe or trim what grit sandpaper to remove paint from plastic leave the walls.... A premiere finish on the sandpaper materials on the sandpaper grit Breakdown designated by numbers 80 through.... Palm sander to remove rust stains or shape body filler quicker, with numbers! Great content in your inbox toothpaste or baking soda you scuff all the difference that. Work area business move forward sanding pad be done by hand works well for woodworking finishing... As backing for extremely fine grits lay plastic drop cloths around the entire work area be! Knife or a razor blade would be suitable will dictate how much effort is involved in it!