Boyo magic carbon
We sell all kinds of carbon brushes to west European countries and the U.S.A.etc.
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BOYO CARBON located in Wuxi National High & New Technology Industrial Development Zone.
 
 

Resin-bonded carbon brush

Resin-bonded carbon brush is one of most important products of BOYO CARBON. The material of this kind of carbon brush which is based on graphite, and have a resin bond. This type of bond produces a high electrical resistance which endows the grades with extremely good commutating ability. Their current carrying capacity is ,however, limited. The most important application is to used in the washing machine motor and cleaner motor,etc.

The following is the carbon grade made by BOYO CARBON.

GRADE

DENSITY

g/cm3

HARDENESS

SHORE

 

RESISTIVITY μΩm

COMPRESIVE STRENTH

Mpa

COEF.OF FRICTION

CONTACT DROP V

NORMAL MAX SURFACE SPEED M/S

CURRENT DENSITY

A/CM2

APPLICATION

BO700 1.58 38 700 23 L VH 45 18 110-200V
BO310T 1.56 36 1300 22 L VH 45 15 110-240V
BO120 1.48 22 1200 15.2 L VL 45 13 110-240V
BO220 1.42 26 2000 14.6 VL VH 50 12 120-240V
BO250 1.40 24 2500 14.8 VL VH 50 12 120-240V
BOT220 1.50 40 2200 22 L M 45 12 120-240V
BOT250 1.48 38 2500 21 L M 45 12 120-240V

 

NOTECONTACT DROPVH −3.6v   H2.4-3.6V  M:1.4-2.3V   L0.8-1.3V

       VL +0.8V

  COEF.OF FRICTIONH−0.20    M:0.15-0.20 L:0.10-0.15   VL+0.10

 

 

 

 

 
 
 
 
 
 
 
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