Sodium Tripolyphosphate 94% Industrial Grade STPP CAS No. 7758-29-4

1.Properties: white odorless  powder or granule;
 Melting point 622°C; Easily soluble in water; It can soften hard water to make suspension solution become into clear solution; It has got weak alkalinity but no corrosiveness. 
It is a surfactant, and has got outstanding emulsification to lubricants and fat. 
 
2.Usage:
Chiefly used as a water softener,sequestering agent,and defloculating agent in detergent industry.Also used in ceramic,mine,petroleum and paper manufacturing industries.
 
3.Specifications:
   

Na5P3O10	94% Min
P2O5	57.0% Min
Water insoluble:	0.10% Max
Fe:	100ppm Max
PH:	9.2-10
Phase I:	A:5-20%
	B:21-40%
	C:40% Min
Density:	Light:0.35-0.5g/cm3;
	Medium:0.51-0.65g/cm3
	Dense:0.66-1.0g/cm3
Whiteness:	85%Min
Particle Size	Through 16 mesh Sieve % ≥   95
	Through 35 mesh sieve % ≥ 90
	Through 100 mesh sieve %≥     40

 
 
 
 
Packaging & Shipping
 
Storage:  The product shall be stored in a clean, dry & cool area protected from exposure to moisture, foreign odors and other contaminants. Due to its strong hygroscopic properties, it shall be stored in a dry & cool area.
 
Packing:  Totally packed in 25kg paper bags net each with white or yellow color, or made to customer's request.
20mt STPP can be loaded in one container with pallets shrunk or without pallets.