2011 New products Construction Machinery brass name plate
USD $2.3 - $3.5 /Piece
Min.Order:200 Pieces
Hangzhou Xiaoshan Hongqi Friction Material Co., Ltd.
the formula of this
Cu 60-70%
Fe 5-15%
Sn 5-15%
Pb 5-15%
SiO2 1-5%
C 1-5%
performance and parameter of copper based friction plate
category | wet | dry |
density(g/cm3) | 5.5-6.0 | 5.3-6.50 |
hardness(HB) | 15-60 | 25-65 |
static friction coefficient(µj) | 0.11-0.15 | >0.40 |
coefficient of kinetic friction(µd) | 0.04-0.09 | 0.25-0.40 |