Product Name: Sodium tripolyphosphate/STPP

Molecular formula: Na5P3O10

Molecular weight:367.86

Solubility:free soluble in water,aqueous solution appears acid.

Appearance: White powder

Main Characteristic of STPP:

1. White powder; Melting point 622 °C

2. It has got salient chelating capacity to metal ions of Ca and Mg etc. and can soften hard water to make suspension into solution, alkalinity, without causticity .

3. It is a surfactant, and has got outstanding emulsification to lubricants and fat.

4. It has different bulk density, i.e. low density 0.35-0.6g/cm 3 , medium density 0.6-0.8g/cm3 and high density 0.8-1.0g/cm 3

Specification of STPP:  

Production Workshop :

Our sino factory have 3 ISO certification production site, meanwhile, There are 10 sets of production line and 2

sets inspection equipment, can reach 120000 ton capacity for per year.

Testing Center

Our plant has strict quality control in each manufacturing process. All goods passed BV,ISO9001 & SGS which quality

can be control and guaranteed. Meanwhile all the materials are tested before each shipment in our laboratory to

double confirm the quality.

Quality Certificate

ISO9001:2008 -Quality Management System; SGS certification;  FDA certification

Package & Storage of STPP:

25 KG bag ,  25MT/20'FCL .

also be packed according to customer's needs.

Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight.

Applications of STPP:

1.Used as one of the main auxiliaries for synthetic detergent, synergist for soap; water softener, tanning agent for

leather making, auxiliary for dyeing;

2. As an effective dispersion agent for suspensions of coatings, kaolin, magnesium oxide, calcium carbonate and

drilling mud etc.;

3. As an oil contamination resistance agent in paper production.

4. In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from

milk or soybeans. It may tender the meat in canned ham and soften the skin of horse bean in canned horse bean.

It may also serves as a softener or densifier in foodstuff industry.

Customer: