New Brooch Pin, Crystal Brooch

Posted By Globaljewelry - China
Summary: pearl brooch metal brooches spec 1 bc2014 1029 2 zinc alloy crystal pin 3 7 4cm
Cas No 60303-68-6 Curing Resin

Posted By QingdaoScienocChemical - China
Summary: arkema vultac tb7 equivalent sulfur content 29 5 31 softening point 95 115