... , needle, powder Content more than 99.5% PH 5.3-6.3 PRODUCT:1,2,3-Benzotriazole ;BTACHEMICAL FORMULA :C6H5N3ORIGIN :CHINACAS NO :95-14 ... regulator, lubricant additives, uv absorber, etc. This product can also with a variety of scale inhibitor, algae fungicidal cooperates to use ... , multiple bag, cardboard drum, all-paper drum, metal drum lined with plastic bag . 20kg/bag. 25 kg/bag. 1,2,3-Benzotriazole