锡 粉 "Product Name 品 名" "Company Number 牌 号" "Product Specifications 粒 度" "Purity 纯 度" "Density 密度（g/cm3）" "Tin powder 锡 粉" Titd-wSn "100-400目 150-38微米" ≥99.8% 2.5-4.8 "Applications 用 途" "锡粉主要用于制造电碳制品、摩擦材料、含油轴承、低温焊接材料，金刚石工具及粉末冶金结构材料 Tin powder is primarily for the manufacture of electric carbon products, friction materials, oil bearings, diamond tools and metallurgy of structural materials "