... into heat, as friction and wear resistance materials paid for, first, to ensure safe and reliable brake.Mine hoist brake shoe ... its intensity decreases4. Asbestos friction properties prone to "hot recession."WSW-3 environment-friendly non-asbestos brake shoe is made of resin ... easy to damage brake disk;3. Does not contain asbestos, green;4. Low wear, long life cycle. mining equipment parts for non- ...