- Min. Order:   - 1 Set 
- Price:   - US$ 4000 
- Place of origin:   - China 
adapted or modified to accommodate various 
other material types and testing standards.
Standards: ASTM D1894, ISO 8295, TAPPI T816, GB 10006 
Formula
The coefficient of friction (COF) is calculated 
by dividing the force needed to move one 
surface across another by the force 
perpendicular to the surfaces. The formula 
is μ = f ÷ N, where μ represents the 
coefficient of friction, f is the f
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