White powder, soluble in water easily, relevant density is 2.45, melting point is 890°C, water solution is alkaline PH of 1% water solution is 9.9-10.7.
Technical Specifications:
S/N.
SPECIFICATIONS
INDUSTRIAL GRADE
FOOD GRADE
1
Main content (as Na4P2O7)
≥
96.5
96.5
2
Phosphorus pentoxide
≥
51.5
51.5
3
Water insoluble
≤
0.2
0.2
4
PH of 1% water solution
9.9-10.7
9.9-10.7
5
Phosphate
Qualified
Qualified
6
Heave metals, as Pb
≤
0.001
7
Arsenic, as As
≤
0.0003
8
Fluoride, as F
≤
0.005
9
Sieve test(Through 60 mesh)
≥
90
90
Use:
Widely used as detergent auxiliary, bleach for paper making, stripping and electroplating; for foodstuff industry as buffer, emulsifier, nourishment and quality modifier.
In electroplating industry, it can be used in preparing electroplate liquid; in textile industry, it can be used as wool degreasant and wool bleaching agent; in papermaking industry, it can be used in bleaching paper and plant fiber; in dyeing and printing industry, it can be used as auxiliary for printing and dyeing, and for refined bleaching, etc.
Packing
Plastic knit bag, Net weight 25kg or 50kg. Storage in ventilated and dry place.
