免费30款黄台网站,免费可以看污APP,在线黄色网站,碰操人人操_人人爽人人澡人人喊_久久精品免费电影_色小说 综合

Home Products and solutions Silicon based new materials Silicon metal Organic silicon
Organic silicon
SpecificationGranularity standardChemical composition
45-325mesh+355μm≤1% ,-45μm≤15%，average particle size120-200μm4110、4210、5210、Ni≤150ppm、P≤100ppm、Pb≤10ppm
Special specificationsCustomized production is available according to customer needs


Back