Perfect Sodium Triply Phosphate
Basic Info Model NO.: tech grade/food grade Grade Standard: Industrial Grade Specification: 94%min HS Code: 2835319000 Type: Sodium Tripolyphosphate Trademark: huarong Origin: China Product Description SPECIFICATION: Package and storage: In 25Kg or 50 Kg or 1000 Kg net WPP/PE bags. It must be...
Model NO.: tech grade/food grade
Grade Standard: Industrial Grade
HS Code: 2835319000
Type: Sodium Tripolyphosphate
|Byname: Pent-sodium Phosphate||CAS No.: 7758-29-4||H. S No.: 2835310000|
|Molecular formula: Na5P3O10||Molecular Weight: 367.86||Standard executed: GB9983-88|
White powder; Melting point 622o C; Easily soluble in water; It has got salient chelating capacity to ions of Ca and Mg etc. And 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. It has different bulk density, I. E. Low density 0.35-0.5 g/cm3, medium density 0.51-0.65 g/cm3 and high density 0.66-0.9 g/cm3. This product has two crystalline forms, namely Type I (high temperature type) and Type II (low temperature type). The chemical properties of the two types are the same, and the difference between them lies in the thermostability, hygroscopicity, solubility and hydration heat when dissolving.
Used as one of the main auxiliaries for synthetic detergent, synergist for soap; Water softener, tanning agent for leather making, auxiliary for dyeing; As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production. 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.
Package and storage: In 25Kg or 50 Kg or 1000 Kg net WPP/PE bags. It must be prevented from Dampness and water. Don't store it in the open air.
Used as a cleaning agent, it can also be used in petroleum, metallurgy, mining, papermaking and water treatment.Used as an auxiliary agent for detergents, used for soap synergists and preventing soap grease from separating out and starting frost.Strong emulsification of lubricating oil and fat can be used to adjust the PH value of buffer soap.Soft water for industrial use.Leather - - agent.Dyeing assistant.Paint, kaolin, magnesium oxide, calcium carbonate and other industries are used as dispersants in suspension.Drilling mud dispersants.The paper industry is used as an anti-pollution agent.Food industry for canned, fruit juice drinks, dairy products, soy milk and other quality modifiers, moisture retention agents.It is mainly used for canning of canned ham and the softening of bean skin in canned bean. It can also be used as a softener and thickener.
STPP also has its inevitable environmental harm, because of its own phosphorus, easy to make water eutrophication.
Due to the introduction of the national phosphorus restriction policy, the application of sodium tripolyphosphate in detergents has been gradually reduced, which is gradually replaced by the products of sodium silicate and molecular sieve.
Water retention agent, quality modifier, pH regulator, metal chelating agent.China's food additives use hygienic standard (gb2760-2011) stipulates that the maximum usage of canned, fruit juice (fruit-flavored) beverage and vegetable protein beverage is 1.0 g/kg.Dairy products, poultry meat products, meat products, ice cream, instant noodles, the maximum use is 5.0 g/kg.In the use of compound phosphate, can not exceed 1.0 g/kg by phosphate meter, canned meat products;The condensed milk shall not exceed 0.50 g/kg;When the product is used with pyrophosphate and sodium phosphate, the phosphate meter must not exceed 5g/kg.Western cooking, smoked ham press GB13101-1991 "standard of western cooking, smoked ham and health", compound shall not exceed 5 g/kg (when using western-style ham can be more appropriate to phosphate is 8 g/kg. Other USES reference: used for canned ham, under appropriate conditions conducive to the improvement of product quality, such as the finished form complete, good colour and lustre, fleshy, soft, easy to slice and cut surface luster. Sodium tripolyphosphate for ham raw meat marinated, each l00kg meat and 3 mixed salt (salt 91.65%, sugar 8% and 0.35% sodium nitrite) 2.2 kg, 85 g, sodium tripolyphosphate, fully mix, in 0 ~ 4 ℃ refrigerator for about 48 ~ 72 h, the effect is good. Used in production of canned beans, bean skin softening. Many fruits and vegetables have tough skin, as the fruit mature, skins and tough. Heat or soaking in the water in the fruit and vegetable processing, to join the polyphosphate, complexation of calcium, and reduces the toughness of the skin.
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