Changsha Weichuang Chemical Co.,Ltd

Name:

Sodium metabisulfite

molecular formula:

Na2S2O5
Appearance:

Snow white crystalline granules

Quality Standard:

According to the national standard GB1893-2008

Remarks:

Sodium metabisulfite, thymethobide

Usage :
1> can be used as printing and dyeing mordant, dechlorination agent after fabric bleaching, paper fiber bleaching agent;
2> chemical and pharmaceutical reducing agents and sulfonation agents, non-ferrous metal mineral processing agents;
3> bactericidal preservatives for food preservation, brewing industry and beverages;
4> wastewater treatment agent; leather treatment agent for tanning industry;
5> rubber coagulant, etc.

wrap:
1> net content of 25kg/50kg composite plastic woven bag lined with polyethylene plastic film bag;
2> net content of 1000kg / bag flexible container bag lined with polyethylene film;
3> can also be customized packaging according to customer requirements.

Shelf life: half from the date of manufacture.

Transportation and storage precautions:
1> the transportation process should prevent rain, moisture, exposure and packaging damage;
2> it is strictly forbidden to co-store and mix with acids, oxidants and toxic and harmful substances;
3> should be stored in a ventilated, dry, corrosive-free warehouse;
4> is easily decomposed by moisture, easy to oxidize and deteriorate in the exposed air and continuously release SO2 gas, which should not be stored for a long time.

Product technical index: food grade industrial grade
Main content >97.0 % >96.5 %
Water insoluble 0.05>65 % >65%
Iron 0.003%>0.005>0.001>0.001%>0.0001>0.0003 %>0.05%>