|Product Name:||STPP||Classification:||Sodium Phosphate|
|Grade Standard:||Food Grade, Industrial Grade||Application:||Detergent, Ceramic|
water softener additive for laundry,
water softener powder for washing machine
Sodium Tripolyphosphate STPP granules STPP powder
STPP Sodium Tripolyphosphate
Type:FOOD Grade,Tech Grade
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
|ASSAY (%) (Na5P3O10)||95 MIN|
|P2O5 (%)||57.0 MIN|
|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|
|WATER-INSOLUBLE SUBSTANCES||0.1% MAX|
|HIGHER POLYPHOSPHATES||1% MAX|
STPP,Sodium Tripolyphosphate Tech Grade
|Assay (%) (Na5P3O10)||94%MIN|
|P2O5 (%)||57.0 MIN|
|PH value(%)||9.2 - 10.0|
|Ignition loss||1.0% MAX|
Application of STPP
Packaging & Shipping of STPP
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.