STPP Sodium Tripolyphosphate Granules & Powder - Food Grade 95% & Tech Grade 94% in 25kg Bags
Price:
USD690~USD850/mt
MOQ:
Negotiation
Delivery Time:
20 DAYS
Brand:
KP
Product Description
STPP Sodium Tripolyphosphate Overview
Sodium Tripolyphosphate (STPP) is an inorganic compound with the chemical formula Na5P3O10, available in both granular and powder forms. This versatile chemical is produced by heating a stoichiometric mixture of disodium phosphate and monosodium phosphate under carefully controlled conditions.
Product Specifications
Food Grade STPP Specifications
| Parameter | Specification |
|---|---|
| Assay (Na5P3O10) | ≥95% |
| Appearance | White Granular |
| P2O5 Content | ≥57.0% |
| Fluoride | ≤10 PPM |
| Cadmium | ≤1 PPM |
| Lead | ≤4 PPM |
| Mercury | ≤1 PPM |
| Arsenic | ≤3 PPM |
| Heavy Metals (as Pb) | ≤10 PPM |
| Chlorides (as Cl) | ≤0.025% |
| Sulphates (SO42-) | ≤0.4% |
| Water Insoluble Substances | ≤0.05% |
| pH Value | 9.5 - 10.0 |
| Loss on Drying | ≤0.7% |
| Hexahydrate | ≤23.5% |
| Higher Polyphosphates | ≤1% |
Technical Grade STPP Specifications
| Parameter | Specification |
|---|---|
| Assay (Na5P3O10) | ≥94% |
| Appearance | White Granular |
| P2O5 Content | ≥57.0% |
| Bulk Density | 0.4 - 0.6 g/cm³ |
| Iron Content | ≤0.15% |
| Temperature Rise | 8 - 10°C |
| Polyphosphate | ≤0.5% |
| pH Value | 9.2 - 10.0 |
| Ignition Loss | ≤1.0% |
| 20 Mesh Through | ≥90% |
Packaging & Storage
Standard packaging: 25kg bags with 2-year shelf life. Our packaging ensures product integrity during storage and transportation.
Quality & Service Commitment
- Quality Control: Comprehensive monitoring from order booking to final delivery
- After-Sales Support: 3-month product responsibility guarantee after receipt
- Sample Testing: Free pre-shipment samples available with batch samples retained until expiry
- Fast Delivery: Prompt shipment with complete professional documentation
- Professional Loading: Documentation with before and after loading photographs
- Customization: Tailored shipping marks according to client specifications
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
SICHUAN JINZHUANG TECHNOLOGY CO., LTD
Location
Meishan City, Sichuan Province, China
Contact Person
Steve Zhou