保险粉88%

 保险粉化学名称连二亚硫酸钠，广泛用于印染印花工业中，我公司中化蒙联化工集团下属生产硫酸盐系列产品，生产高质量保险粉sinongolia.com/hangqing.php，用于印花主含量>90%, 及印染洗缸制备85-88% 各个规格。欢迎同仁洽谈合作！

sodium hydrosulfite 90%;88%

h.s.code: 28311000
cas no.: 7775-14-6
molecular formula:
property: white powder soluble in water, presenting strong alkaline solution, easily oxidized when exposed to air.
use: used in sulfur dyes, used as reductant, mordant, floatation agent, depilatory for leather, digestion auxiliary in paper-making, and used in textile, pigment and rubber too. 
packing: in 50kgs iron drum .