P/M copper-based friction plates

The performance data:

Classification		Wet Condition	Dry condition
Classification		Wet Condition	General dry	Electromagnetic clutch disk
Density (g/cm3)		5.5~6.4	5.5~6.4	5.6~6.2
Friction coefficient	f (Static)	0.10~0.14	0.35~0.40	----
Friction coefficient	f (dynamic)	0.04~0.07	0.25~0.35	0.25~0.35
Hardness		20~60	15~60	25~65
Working specific pressure (Mpa)		20~440	20~250	30~100

Note:

(1) To each product, the parameters are variable within the range.
(2) We can produce the products by special process and composition to match customer's require.

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P/M copper-based friction plates