Sell Sodium Pyrosulfite

Description

Appearance: White or light yellow crystalline powder Specifications: Tech grade: Content (Na2S2O5): *6.5%min Fe: 0.*1%max Water insoluble: 0.*5% max Use: As mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of stapk; Mineral -dressing of nonferrous metals treatment agent of waste water; Rubber solidifying agent; Perfume industry is served as hydrocarbon perfume aldehyde; The hide profession employ to do molt dose and pliable dose and wearproof dose. The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on. Specifications: Food grade: Content (Na2S2O5): *6.5%min Fe: 0.**5%max As: 0.***1%max Heavy Metal as Pb: 0.***5%max Use: As bleaching agent (such as candy, cakes, dried slices of tender bamboo shoots etc. ) Loosening agent (such as bread, biscuites etc. ) preservative, disinfector (such as jam, and can etc. ); Antioxidant, antistaling agent (such as seafood, fruits vegetables etc. )