Description

CAS No.: ********4 Molecular Formula: Na2S2O5 Molecule Weight: **0.*0 Appearance: white or light yellow crystalline powder. Sodium Metabisulfite for Industrial Use: Test Item Standard Request. Results of Test Individual Result Appearance White or light yellowcrystalline powder Meet the demand Pass Content (Na2S2O5%) ≥*5% *7.*6% Pass SO2% *5% *5.*5% Pass Fe% ≤0.**5% 0.**3% Pass Insoluble substancein water% ≤0.*5% 0.*1% Pass Heavy metal (Pb)% ≤0.**2% 0.**1% Pass As% ≤0.***2% <0.***1% Pass PH 4.**4.6 4.3 Pass Main uses: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;Treatment agent of waste water;Rubber solidifying agent Perfume industry is served as hydrocarbon perfume aldehyde;The hide profession employ to do to 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;sewage treatment. etc Packing: in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, Kraft bag, etc. Net weight: *5, *0, ***0 kilograms per bag or following your demand. HS code:*********0