antimony

2011-4-6 9:37
Dare-to-Die Squad League --- the largest private offering information hub nationwide. Intraday updates of large amounts of information, gsdlm2005.blog.163.com......
2008-12-1 16:13
It is widely used as a flame retardant in plastics such as PVC, PP, PE, PS, ABS and PU, with high flame retardancy and little effect on the mechanical properti......