Ammonium polyphosphate
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Ammonium polyphosphate
[Molecular formula]: (NH4PO3) n
[CAS number]: [68333-79-9]
[Product Classification]: APP101/APP102
[Description]: White powder
[Purpose]: Mainly used in expansion type fireproof coatings and thermosetting resins (such as polyurethane rigid foam, UF resin, epoxy resin, etc.), it can also be used for flame retardancy of fibers, wood, and rubber products. Especially in PP used for manufacturing electronic components, it can reach UL94V-0 flame retardant level.
[Features]:
1. APP102 has excellent weather resistance and high stability. When used in coatings, it can significantly improve the water resistance of the product. When used in thermosetting resins, it can reduce the proportion of the product, increase the amount of fiberglass, and improve the surface performance of the product.
2. APP101 has undergone surface treatment, with strong moisture resistance, alkaline pH value, and low water solubility.
[Packaging]: 25kg paper bag.
[Storage and Transportation]: Handle with care, seal and store, do not get damp.
Quality Index：
|
Technical Parameter |
APP101 |
APP102 |
|
Phosphorus content (%) |
28.0-30.0 |
31.0-32.0 |
|
Moisture content (%) |
≤0.25 |
≤0.25 |
|
Solubility (25 ℃, 4% water suspension) g/100ml |
≤0.20 |
≤0.50 |
|
Viscosity (25 ℃, 10% water suspension) mpa · s |
≤20 |
≤50 |
|
PH value (25 ℃, 5% water suspension |
7.0-9.0 |
5.5-7.5 |
|
Average particle size（ μ M) |
≤20 |
≤20 |
|
Thermal weight loss (1%) ℃ |
≥280 |
≥280 |
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