国产大陆精品久久3_日本少妇一区二区三区_国产 ,三级黄线在线播放免费,欧美成人在线视频,99热在线精品观看,被老师摁在教室cao到爽男女 ,欧美无人区码SUV,亚洲人午夜射精精品日韩,国产精品扒开腿做爽爽爽,偷无

Products

≡ Products

Position:Home > Products > Product details

Stannous Sulfate

Molecular Formula

SnSO₄

Specification

Molecular Weight

214.75

Physical and Chemical Properties

White Crystals

Use

Acidic plating, anodized coloring of aluminum profiles, brightening tin-plating of electronic elements, mordant of printing and dyeing.

Package

25kg/plastic drum,30kg/calcareous plastic box or customized

Main Technical Index

Index Name	Standard
Content	≥99.0%
Hcl Insolubility	≤0.005%
Chlorides	≤0.005%
Iron	≤0.005%
Heavy Metals (by Pb)	≤0.02%
Alkaline And Alkaline Earth Metals	≤0.10%