Copper sulfate pentahydrate CAS NO.7758-99-8

hangzhou yaoshi coop import & export co., ltd. is specialized in the r & d, manufacture and trade of rubber/plastic auxiliaries, basic chemical materials and accessories, including various rubber/plastic foaming agents and blowing promoters as well foaming agents for special plastic and new-type rubbers. we boast good purchasing/selling channels and system, and enjoy high reputation in the industry in local area.

we also produce 1, azo initiators: 2,2'-azobisisobutyronitrile (aibn/v60), 2,2'-azobis(2,4-dimethyl)valeronitrile(abvn/v65), 2,2'-azobis(2-methylbutyronitrile) (ambn/v59), dimethyl 2,2'-azobis(2-methylpropionate)(aibme/v601), 2,2'-azobis[2-methylpropionamidine] dihydrochloride (aiba/v50), 1,1’-azobis(cyclohexane-1-carbonitrile (accn/v40), 2,2'-[azobis(1-methylethylidene)]bis[4,5-dihydro-1h-imidazole dihydrochloride (v44);

2, uv absorbents: uv-p, uv-9, uv-531, uv-326, uv-327, uv-328, uv-329;

3, antioxidant: antioxidant 1010, 1076, 168, 264, 2246, 300, 311, b102, dltp;

4, light stabilizer 622, 770, 944, 802;

5, plasticizer + release agent (hb580) for acrylic purpose;

6, cross-linking agent ethyleneglycol dimethacrylate (egdma);

7, fluorescent whitening agent ob, ob-1, kcb, fp-127 and so on.

upholding the tenet of “service, innovation, honesty, diligence”, we have formed our featured corporate culture to get a good working environment an high cohesiveness, and we will, as always, offer clients best services.