Product description
Mordant of printing and dyeing
Dechlorination of textile after bleaching
Sulphonated agent and reducer of chemical industry and pharmacy
Bleach of paper pulp, bamboo and timber bleach of stack
Treatment agent of waste water
Rubber solidifying agent
Perfume industry is served as hydrocarbon perfume aldehyde
Hide profession employs to do to molt dose and pliable dose and wear-resistant dose
Sensitize industry is served as the developing agent reactant and the protection of fixing bath dose and sewage treatment
Test item: industrial grade
Appearance: white or light yellow crystalline powder
Content (Na2S2O5): ≥96%SO2: ≥65%
Fe: ≤0.005%
Insoluble substance in water: ≤0.05%
Heavy metal (Pb): ≤0.002%As: ≤0.0002%
pH: 4.0 to 6.0
Packing: 25kg/bag and 25mT/20ft FCL container