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3M 5 m P120 "Bare Surfaces" Medium Grit Sandblaster Sandpaper Abrasive Roll - Gold

£0.71£1.42Clearance
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In the event that you don’t have every sheet listed on our sandpaper grit chart, that’s not the end of the world. You can substitute a similar grit level depending on the application. Just be sure to do further research to make sure that you don’t select the wrong one. That is, some substitutions are less intuitive than others. For instance, a craftsman looking to stain a wood piece might view P240 as a suitable replacement for P220. However, the better option is actually P180 as it gives the wood grain a stronger appearance. Also, it’s worth mentioning that P240 is a bit too fine for wood stain and will hinder it ability to soak into the wood. Applications for Each Grit Level

PaintWell increased its Industrial Paints offering with the acquisition of Promain UK Limited, the preferred UK distributor for many of the world’s leading paint and surface coatings manufacturers. This kind of grit is used to sand bare wood to prepare it for varnish removal or final finishing. The FEPA standards denote such types of sandpaper grit by P60, or P80, and CAMI standards denote it as 80. The diameter of the particles ranges between 190 to 265 micrometers. Fine This ranges from120 to 220 grit and is one of the most commonly used grades in home DIY projects. Painting projects often use 120-180 grit for sanding down previously painted surfaces. It gets rid of any minor imperfections and roughs up the surface to provide good adhesion for a new coat of paint. It is also used on bare wood to smooth out ready for the first coat of paint or varnish. P400 Sandpaper– Only oil finishes like tung oil & teak oil require the surface to be finished to this level. And it’s also not a requirement for all wood working projects that use those types of finishes. Lastly, you can rely on P400 to smooth the top coats of polyurethane.A high-quality waterproof sanding abrasive paper. Perfectly suited for the car body repair industry, it is suitable for wet sanding lacquered surfaces, between coats. The silicon carbide grains provide excellent finishing results and the flexible paper – with 30% latex content – permits sanding difficult surfaces. Despite the identical name to the abrasive paper category listed above, very fine micro grits are distinct and are used for sanding finishes in between consecutive coats on either wood or drywall. FEPA classifications are P240, P280, P320, or P360 while CAMI classifications are denoted as 240. The diameter size is between 40.5 to 58.5 micrometers. Extra Fine Macro grit sandpapers range across the following sub-types. The one thing they all have in common is that abrasive papers in this family all have fewer grains, but the grains they have are large. Extra Coarse This highly coarse sandpaper grit ensures expedited removal of all kinds of material. Because of the roughness, extra coarse sandpaper is used for the initial round of sanding on hardwood flooring. As per the FEPA standards, the sandpaper grit sizing is denoted by P30, P36, P12, and P16, while the CAMI standards denote the classes as 24, 30, or 36. The average diameter of the sandpaper grit particles can range anywhere between 530 to 1815 micrometers. Coarse

P120 Sandpaper– Any wood that was too soft for P80 will start the latter at P120. We generally use this grit when first smoothing pine, redwood, & cedar. Lastly, enamel paints and polyurethane don’t require the wood to be sanded beyond P120. The only exception would be a clear satin finish, in which case you may want to eliminate any scratches left on the wood with P150 or P180.This sits below coarse sandpaper and includes 24 and 36 grit sandpaper. It is used for jobs that have a lot of paint or varnish to remove. It's often used on rough timber that needs to be smoothed out and the first sanding when sanding floorboards. What does the P mean in sandpaper grits? Grits above 320 such as 400 to 600 are typically used to get a really fine finish on wood ready for waxing or polishing. It can also be used to smooth out a top coat and fine wet sanding.

This is used to initiate wood polishing. FEPA standards classify these types of sandpaper grit as P400, P500, or P600 while CAMI classifies them as 360 or 320, and diameter sizes range between 25.8 to 36.0 micrometers. Super Fine

Micro Grits

As you’ve already notices, we opted for the “P” grade system since that is largely what we use in our projects. It’s also the international standard for denoting the coarseness of an abrasive. The Coarser Abrasive Grades

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