SECTION 1 -INTRODUCTION TO BRUSHES AND CARBON GRADES
Question 1:5 Why Do Some Brushes Look Like Copper?
Because in fact they contain varying amounts of up to 95% fine copper particles mixed in with the carbon graphite powder prior to baking under pressure.
In another type of process lesser amounts of molten metal are vacuum impregnated into the base carbon material.
Not just copper but bronze, antimony and white metal can be impregnated into the carbon in this way.
Question 1:6 How Many Brushes Grades Are There?
The information has been drawn from experience of Morganite Taiwan Limited Application Specialists combined with a wide range of published information from major carbon supplier and motor manufacture. However, the material can not be downloaded, copied or used without written permission.
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