Detailed Product Description

SODIUM HYPOPHOSPHITE-(SHPP)
EN Grade
                     
Molecular formula:       NaH2PO2. H2O
Molecular weight:        105.99
CAS No.:               7681-53-0
Appearance and properties: White crystalline, hydroscopic and deliquescent, easily soluble in water and alcohol.

Usage:
Mainly used as the reductant for chemical plating. A dense and uniform nickel phosphorus film can be obtained for both large equipment and tiny components.
Articles with complicated external shape of convex concave lines or internal wall of deep-hollows. The surface of non-metals such as plastic, ceramics, glass etc.
The film possess a good surface hardness and abrasion resistance. Widely used in electronics. aviation mechanism. And petroleum fields. Also used as interface activator.. M.W. moderator and thermo-stablizer for synthetic resins and additive for foods.
Specifications                     
NaH2PO2. H2O:           101.0% Min                       
Na2HPO3:                 0.5% Max                        
Calcium (Ca):             30 ppm Max                      
Iron (Fe):                  1ppm Max                      
Sulfate (SO4):              30ppm Max                       
Chloride (Cl):              30ppm Max                      
PH:                      6-8                        
Pb                      1ppm max
As                      1ppm max

Packing:  25KG/50lb net Multi-wall paper bag. 1000kg super sack