P grain Introduction

The following is the introduction to P grain. P grain has a more aggregative distribution than F grain, with sharpness and evenly distributive features, bringing more efficiency for surface treatment. Brown fused aluminum oxide P grain is widely used in coated abrasives such as abrasives cloth, abrasives paper, abrasives belts, etc. FEPA-standard 43-1:2006: Grains of fused aluminum oxide, silicon carbide, and other abrasives materials for coated abrasives Macrogrits P 12 to P 220 FEPA-standard 43-2:2006: Grains of fused aluminum oxide, silicon carbide, and other abrasives materials for coated abrasives Microgrits P 240 to P 2500 Welcome to contact us to exchange what is P grain meaning? and look forward to your information.

Coarseness of the abrasive mineral:

Commonly referred to as “grit”, this number designation is determined by the amount of abrasive mineral that can pass through a mesh screen with specific size openings. Therefore, a 40 grit abrasive particle will pass through a mesh screen that has 40 openings in one linear inch. Consequently, the higher

Amount of abrasive applied:

This decision is made by knowing the type of material you will be working with. Open Coat – Here, the abrasive granules cover from 50% – 70% of the backing and are set at pre-determined spacing to reduce loading. Used on softer surface materials that tends to load or fill

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