Purity:97%min tech grade 25/50/1000kg bags Certificate: ISO9001; CIQ Certificate MOQ:10-25MT Prompt shipment

                                                    Sodium metabisulfite 97%min

Specifications
Item	Test Results
Purity(As Na2S2O5)%≥97%	97.68
Sulfur Dioxide(SO2)%≤65%	65.81
Arsenic (AS)%≤0.0002%	0.00012
Selenium (Se)%≤0.0005%	0.0001
Heavy metals (As PB)%≤0.0005%	0.0.0003
Water Insoluble%≤0.02%	0.0013
Iron(Fe)%≤0.002%	0.0012
CAS NO	7681-57-4
PH Value: 4.0-4.8	4.4
Appearance	White crystal powder
Conclusion	Premium grade
Notes:  According to the national standard production

package:packing in 25/50kg plastic woven bag inner with pe film,25mts/20'fcl with out pallet,

22mts/20'fcl on pallet.

Output :50,000mt/year

Caution for transportation and storage:

This product shall be stored in the ventilate and dry place , against rain, heated and isolation

under sunlight

                                                           

This product shall not be delivered or stored together with strong reducing agent foods , feed and additives. Please keep it safely , dont't eat it

sodium metabisulphite industry grade