1.different sizes. 2.high efficiency. 3.long grinding life and good result 4.professional manufacturer.

Species	Code No.	color	features	selection
brown fused alumina	A	Tan	high rigidity, strong flexibility, low price, can be used widely	suitable for normal steel grinding, grinding, rough grinding, higher anti-pulls Intensity metal grinding as well, i.e.
White aluminum oxide	WA	White	lower rigidity weaker flexibility than A.	Suitable for the work pieces made of materials Chilled steel, High-speed steel, High-carbon steel,
Chromium corundum	PA	Pink,rose-red	Sharp cutting, good edges holdout, durable	Suitable for form grinding, knives, Measuring instrument
Green silicon carbide	GC	green	Only no harder than Boron carbide	Suitable for grinding Hard alloy, Optical glass, vitrify and other hard friable materials.
Black silicon carbide	C	black	Harder than corundum, crisper, less flexibility.	Suitable for process weak Tensile strength metallic and Nonmetallic material, i.e.

abrasive stone cup grinding wheel