Ammonium polyphosphate CAS 68333-79-9
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Product Description
Product Details
Introduction
Ammonium polyphosphate, referred to as APP, is a nitrogen-containing phosphate and is a white powder. There are five variants from I to V. Among them, high-polymerization degree crystalline type II ammonium polyphosphate has significant advantages in the use in the field of polymer materials due to its good water insolubility, high decomposition temperature, and good solubility with polymer materials. Compared with halogen-containing flame retardants, crystalline type II ammonium polyphosphate has the characteristics of low toxicity, low smoke and inorganic, and is a new type of high-efficiency inorganic flame retardant.
This product adopts independent ammonium polyphosphate synthesis technology, with stability, low viscosity, good dispersibility, low water solubility, excellent anti-precipitation and migration resistance. It has high polymerization degree and concentrated distribution range of high polymerization molecular weight.
Specification
| KT-APPII-040 | KT-APPII-100 | KT-APPII-200 | KT-APPII-400D | |
| Phosphorus content% | 30.5-32.5 | 27.0-30.5 | 29.5-30.0 | 20.7-30.0 |
| Nitrogen content% | 14-15 | 14-17 | 13-15 | 13-15 |
| Whiteness | 88 | ≥90 | ≥88 | 75 |
| Moisture content% | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 |
| Decomposition temperature℃ | ≥260 | ≥260 | ≥260 | ≥260 |
| Density | 1.9 | 1.9 | 1.9 | 1.9 |
| Bulk density | 0.7 | 0.7 | 0.7 | 0.8 |
| D50 (um) | 10-20 | 10-20 | 10-20 | ≤22 |
| pH value | 5.5-7.5 | 6.5-9.5 | 6.5-8.5 | 6.5-8.5 |
| Viscosity MPa.s | ≤100 | ≤50 | ≤50 | -- |
| Water solubility | ≤0.5 | ≤0.3 | ≤0.5 | ≤0.3 |
| Dispersibility | AAAA | AAAA | AAAAA | AAAAA |
| Recommended use | Coating/Thermosetting Resin/Rubber | Silicone rubber/coating | Epoxy resin | |
Application
Ammonium polyphosphate is a highly efficient inorganic flame retardant used in the manufacture of flame retardant coatings, flame retardant plastics and flame retardant rubber products.
Packaging and storage:
25kg/drum or as required
This product is susceptible to moisture and should be placed in a cool, dry place. If the package is damaged, use it as soon as possible.
If the package is damaged or damp, dry it at 100℃±10℃ for 2 hours before use.
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