Standard Marking System and Specifications for Cotton Fiber Products

A	36	G	FX
Type of Grain Used A = Aluminum Oxide C = Silicon Carbide	Size of Grain Coarse Medium Fine Very Fine 16 54 120 320 24 80 180 36	Hardness Of Bond	Bond Type FX - Latex bond (white color) available in G hardness only TX - Resin bond (brown color) Available in J, M and N hardness

FX BOND - unique flexible bond that blends and finishes in one single operation

• "G" hardness: soft bond for light deburring, blending, and finishing

TX BOND - strong resin bond that combines resiliency and cutting ability with long life

• "J" hardness: medium bond for light deburring, longer life
• "M" hardness: hard bond for light to medium stock removal
• "N" hardness: very hard bond for medium stock removal and longer life

Surface Finish Comparisons
Measured in micro-inches for a value of RA (roughness average)