China suppliers 94% STPP Sodium Tripolyphosphate-detergent Grade high quality

Sodium Tripolyphosphate STPP granules STPP powder

 

 

STPP Sodium Tripolyphosphate
Assay:94%;White powder/granule
Type:FOOD Grade,Tech Grade
25 KG/BAGS
Shelf life:2 years

 

STPP or sodium triphosphate is an inorganic compound with formula Na5P3O10. STPP,Sodium Tripolyphosphate is the sodium salt of the polyphosphate penta-anion, which is the conjugate base of triphosphoric acid. Sodium tripolyphosphate is produced by heating a stoichiometric mixture of disodium phosphate, Na2HPO4, and monosodium phosphate, NaH2PO4, under carefully controlled conditions. Sodium tripolyphosphate stpp

 

China Preservative Food Grade STPP Sodium Tripolyphosphate

STPP,Sodium Tripolyphosphate Food Grade

 

ITEM STANDARD
ASSAY (%) (Na5P3O10) 95 MIN
APPEARANCE WHITE GRANULAR
P2O5 (%) 57.0 MIN
FLUORIDE (PPM) 10MAX
CADMIUM (PPM) 1 MAX
LEAD (PPM) 4 MAX
MERCURY (PPM) 1 MAX
ARSENIC (PPM) 3 MAX
HEAVY MENTAL (AS PB) (PPM) 10 MAX
CHLORIDES (AS CL) (%) 0.025 MAX
SULPHATES (SO42-) (%) 0.4 MAX
SUBSTANCES NOT DISSOLVED IN WATER (%) 0.05 MAX
PH VALUE (%) 9.5 - 10.0
LOSS ON DRYING 0.7% MAX
HEXAHYDRATE 23.5% MAX
WATER-INSOLUBLE SUBSTANCES 0.1% MAX
HIGHER POLYPHOSPHATES 1% MAX

STPP,Sodium Tripolyphosphate Tech Grade

Items Standards
Assay (%) (Na5P3O10) 94%MIN
Appearance WHITE GRANULAR
P2O5 (%) 57.0 MIN
Bulk density 0.4~0.6
Iron 0.15%MAX
Temperature rise 8~10
Polyphosphate 0.5 MAX
PH value(%) 9.2 - 10.0
Ignition loss 1.0% MAX
20mesh through ≥90%

Application of STPP

China suppliers 94% STPP Sodium Tripolyphosphate-detergent Grade high quality

 

Packaging & Shipping of STPP

25Kg Bag

STPP packing bag.jpg

 

Our Services

 

1. Quality control--we will monitor the product quality from booking order to delivery.

2. After-sales service---we will be responsible for the goods when clients receive it within 3 months.

3. Sample testing--free sample for test before shipment is available. after shipment, the batch sample will be kept until the expiry date.

4. Fast delivery--prompt shipment with full and professional documents.

5. Professinal loading---we will take pictures before and after loading as proof for clients' review.

6. Special service---we can tailor the shipping marks as per clients' requirements.

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Sodium Tripolyphosphate

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