Application:
Mainly used as the
reductant electroless nickel-plating. Good for both large
equipment or tiny components to get a dense and uniform
nickel-phosphorus film , articles with complicated external
shape of convex/concave lines or internal wall of deep
hollows, the surface of nonmetallics such as plastic,
ceramics, glass, quartz and etc. In addition, the film posses
a good surface hardness and abrasion resistance. The product
can be widely used in electronics, aviation, mechanism, and
petroleum field. It is also used as interface activator and
thermostablizer for synthetic resins and additive for
foods.
Specification:
NO. |
Indexes |
Industrial
Grade |
Specially
Grade |
1 |
Sodium Hypophosphite(NaH2PO2·H2O) |
100.0% Min |
102.0-104.0% |
2 |
Phosphite(Na2HPO3) |
0.5% Max |
0.4% Max |
3 |
Calcium(Ca) |
50ppm Max |
50ppm Max |
4 |
Iron(Fe) |
2ppm Max |
2ppm Max |
5 |
Lead(Pb) |
1ppm Max |
1ppm Max |
6 |
Arsenic(As) |
1ppm Max |
1ppm Max |
7 |
Total Heavy Metals |
2ppm
Max |
2ppm Max |
8 |
Chloride(CL) |
100ppm
Max |
100ppm Max |
9 |
Sulfate(SO4) |
100ppm Max |
100ppm Max |
| 10 |
PH(5%
watersolution) |
6.0-8.0 |
6.0-8.0 |
Packing:25kg kraft paper
bags inner coated with PE film, inner lined with PP
bags |
