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Sodium Tripolyphosphate(STPP)

CAS No.:7758-29-4
HS Code:2835311000
Specification:FCC
Packing:25kg bag/drum/carton
Port of loading:Shanghai ; Qindao;Tianjin
Min. Order:1MT

Quantity:
ITEMSTANDARD
ASSAY (%) (Na5P3O10)95 MIN
APPEARANCEWHITE 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 DRYING0.7% MAX
HEXAHYDRATE23.5% MAX
WATER-INSOLUBLE SUBSTANCES0.1% MAX
HIGHER POLYPHOSPHATES1% MAX


Sodium Tripolyphosphate(STPP)

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


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1. What's your payment terms?
T/T or L/C.

2. What's your delivery time?
Usually we will arrange the shipment in 7 -15 days.

3. How about the packing?
Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.

4. How about the validity of the products?
According to the products you ordered.

5. What documents you provide? 
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

6. What is loading port?
Usually is Shanghai,Qingdao or Tianjin.


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