IDEAL FOR STEP 3 OF THE 3M BODY REPAIR SYSTEM - Paint.Convenient sheet can be used wet or dry on paint, primer, gel coat and metal.Commonly referred to simply as sandpaper. Individual sheets or lengths of paper-backed, flat-stock straight-edge abrasives used in sanding, grinding, deburring, and finishing applications. Features Waterproof backing for wet sanding applications 3M Sandpaper Sheets & Rolls for Automotive 3M United States.These sandpaper grits are used for detailing and refinishing like color sanding and buffing, or maybe you’ve heard the term cut and buff. Available in 9” x 11” and 3-2/3” x 9” sheets for a variety of uses Most common grits are: 1200, 1500, 2000, 25.Features durable yet flexible lightweight (A - Weight) paper backing to conform to auto body surfaces.GREAT FOR AUTO BODY REPAIR - Silicon carbide grain is available in a range of grits from 400 grit for 2500 grit for non-aggressive sanding and polishing jobs on clear coat, plastic and metal, including areas that require hand compounding and for sanding dark colored paints.When working with these grits, don’t forget to use the wet sanding method for better results. It is also used to do sanding of the wood with the sandpaper grain. Sandpaper grade of 60 to 120 is used to remove leftover paint stripper. 46-120 grade sandpaper is used to clean the surface of sandstone, brick and solid wood. Use 2,000 grit for final sanding to achieve a smooth surface. Sandpaper of grade that falls between 24 and 60 is used to trim the surface of old paint and metal. Both grits are great for removing light clear coat scratches that can’t be removed by rubbing compound and buffing. On the automotive sandpaper grit chart, 40-grit is generally recommended for cars, trucks and vans that have been treated to several overlying paint jobs over the years. 1,500 grit and 2,000 grit are used to sand the clear coat. LONGER LASTING SANDPAPER - Silicon carbide abrasive self-fractures for longer life What is the finest grit sandpaper for car paint As such, 40 grit is primarily a sandpaper that should be confined to auto surfaces that require high-intensity sanding.SMOOTH FINISH - Delivers 10% smoother finish vs. See the chart below for information on the most common sandpaper grits and which one to use for different types of projects.WET OR DRY SANDING - Use for wet sanding and dry sanding without switching sandpaper.This is called feather edging and is normally done using a da sander and 220 grit sandpaper. However, first the paint edge around the damages are will need to be smoothed or tapered. Once the body filler is block sanded with (150 to 220) it is ready for primer. BLEND PRIMER AND PAINT - 600 GRIT is perfect for scuffing primer before color base coat and refining the blend area before color base coat Block Sanding Primer and Final Sanding Paint.
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