-
Hot sale – sodium metabisulfite
Formular: Na2S2O5
CAS: 7681-57-4
HS: 28321000
Appearance: white crystal powder
Package: 25kg、1000kg/bag
Application:
•Used as dressing agent, wastewater treatment agent in industry
•Used as waste water Mordant of printing and dyeing and etc.
•Used as reducing agent for developing agent and protective agent for fixing solution in photography industry
•Used as food additives in food industry
ITEM SPECIFICATION Na2S2O5 content 96.5%min Iron (Fe) 0.005%max Water insoluble 0.05%max Arsenic (As) 0.0001%maxc -
Water treatment expert – calcium hypochlorite
CAS No.: 7778-54-3
EINECS No.:231-908-7
MF:Ca(ClO)2
Purity:65%,70%
Appearance:white or light grey granular
Specification:
Calcium Hypochlorite 65%
Test Item Specification
Analysis Results
Available Chlorine 65%min 65.30% CaCl2 9-12% 10.00% Moisture 3%max 3.00% Size(355μm-2mm) 90%min 92.00% Annual loss rate of chlorine 8%max 6.95% Calcium Hypochlorite 70%
Test Item Specification
Analysis Results
Available Chlorine 70%min 70.11% Water insoluble 0.5%max 0.10% Moisture 5%-10% 6.91% Size(255μm-1.4mm) 90%min 96% Annual loss rate of chlorine 8%max 5% Applications:
The product is generally called “bleaching powder”. It is used in industrial wastewater treatment, sanitation and cleaning, epidemic prevention and household sanitation facilities, as well as for disinfection and sterilization of swimming pools, drinking water, cleaning vegetables, and sanitizing fishponds.
Packaging, Storage and Transportation
25kg/drum, 40kg/drum or as per customers’requests.
Storage: Keep away from heat, sparks, and flame. Keep away from sources of
ignition. Do not store near combustible materials. Keep container closed when not in
use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area
away from incompatible substances. Keep away from acids.