Coated Abrasives
Flap Disc


Flap Disc is made of coated abrasives strips overlapping each other and hold together with a backing top. The depressed center topping reinforces the structure and prevents coated strip from detaching from the side. The topping is available with of plastic or glass fiber material.

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Abrasive Grain Application:


Brown fused alumina (A)

It is made by fusing bauxite in an electric arc furnace under high temperature.

Feature: Good amount of toughness, hardness and self-sharpening. Great entry price. 


Zirconia Alumina (ZA)

It is made by fusing alumina and zirconia with electric arc furnace under high temperature.

Feature: Highly wear resistant, very durable, self-sharpening, outperform brown fused alumina.

Application: General metal, stainless steel. 

 

Black Silicon Carbide (C)

Black silicon carbide uses silica sand andpetroleum coke as raw material. The mixture is synthesized with Acheson process.

Hardness: Lower than diamond, higher than brown fused alumina.

Feature: Sharp, high hardness, brittle.





 







 

 
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