Polyquaternium-6 PQ-6 CAS 26062-79-3 For Cosmetic Pq-6 Can Be Conditioner,Pq-6 For Skin Care,Raw Material For Hand Wash,Effective Polyquaternium-6 ZHEJIANG XINHAITIAN BIO-TECHNOLOGY CO.,LTD. , https://www.dadmacxht.com 1 manual pipe cutter 2 cemented carbide circular saw blade (is the kind used by the saw aluminum alloy mounting team) 3 manual hacksaw bow saw In short, the burr is caused by the small cutting speed is too fast, in fact, is the use of ordinary The cut piece cuts, as long as you master the skills can greatly reduce the burr. 1. Slower speed. 2. Can not rush to cut through. Keep turning the pipe,