Sodium Metabisulfite Industrial Grade
Sodium Metabisulfite
Standard: GB1886.7-2015
Item | Superior Grade | First Grade |
Content（as Na2S2O5计），% | ≥ 96.5 | ≥ 95 |
Iron content（as Fe）, % | ≤ 0.005 | ≤ 0.01 |
Water insoluble | ≤ 0.05 | ≤ 0.05 |
Arsenic content (as As), % | ≤ 0.0001 | — |
Usage:
A mordant in painting and dying
Dechlorination agent for fabric after bleaching
Chemical and pharmaceutical reducing agents and sulfonating agents
Bleaching agent for bamboo, wood and paper fibers
Mineral separation agent for Nonferrous metal
Treatment agent for waste water
Rubber solidifying agent
Packing: 25kgs/bag, 50kgs/bag, 1000kgs/bag, 1200kgs/bag
Storage: Keep away from sunlight and moisture, store in ventilated dry place.