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What does the P mean on abrasive paper?

What does the P mean on abrasive paper?

The European scale is the “P” grade, and is known as FEPA (Federation of European Producers of Abrasives). Both scales are based on the diameter of the average particle size in micrometer (µm), also know as a micron (one millimeter equals one thousand microns).

What is P 180 sandpaper used for?

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.

What are abrasive grades?

Macro Grit Sandpaper

Grade Description CAMI
Very Fine A coarser material than Very Fine under the micro abrasives 150, 180 or 220
Fine Cannot remove varnish or paint on wood 100 or 120
Medium Medium to coarse surface texture after sanding 80
Coarse Has the ability to remove material rapidly 40, 50 or 60

What P is fine sandpaper?

Sandpaper Grits: Moving From Coarse to Fine

Sandpaper Grit Guide
100-150 Medium grit; good for general purpose sanding.
180-220 Fine; used to roughen surfaces for painting or as a first passthrough for later sanding with ultra-fine grits.
320 Ultra-fine; helps achieve a nearly glass-smooth texture.

What is P 220 sandpaper?

Sandpaper at 220-grit is on the border between those that are good for sanding wood and those that are commonly used for finishes. That makes 220-grit the coarsest paper used for sanding finishes. Finishers usually use it to smooth sealing and finish coats before applying another coat of finish.

What grade is F2 sandpaper?

100 Grit
Flexovit Sandpaper 100 Grit (F2)

What are the types of abrasives?

What are Types of Abrasives?

  • Natural Abrasives – Calcite, Diamond, Iron oxide, Sand, Sandstone, and powdered feldspar.
  • Synthetic Abrasives – Borazon, ceramic, aluminum oxide, dry ice, glass powder, steel abrasive, silicon carbide, and slags.

How do you smooth rough wood without sanding?

Sand and a piece of leather or cloth, Pumice (a porous vulcanic Rock), Walnut Shells, Rottenstone (similar to Pumice), Wood Shavings, Corn Cobs, a Wood File, Scraping, Burnishing, or even building a primitive sanding tool are good alternatives to sandpaper.

What does grit size and abrasive grade mean?

The grit size indicates the abrasive grade on the abrasive side of the paper. A higher grit number indicates a smaller abrasive grain and a finer abrasive product.

How big of an abrasive grade do I Need?

12,16,20 super coarse For extra deep and coarse cutting, e.g. 24,30,36 extra coarse For coarse cutting. 40,50,60 coarse For cutting and sanding uneven surfaces. 80,100 medium For sanding marks and uneveness. 120,150,180 fine For fine-sanding, and use between and af

What does the P in front of grit size mean?

A “P” in front of the grit size indicates that the product is graded in accordance with the European FEPA standard ( ). The terms coarse, medium and fine are often used in conjunction with grit size of abrasive grains. What grits sizes are located within the individual terms?

Which is the best grit for saw blade burns?

P80 grit is the best option for removing saw blade burns and deeper surface scratches. In the case that you’re working with a hardwood like Poplar, you can probably jump the line to P120.