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Ammonium Polyphosphate Flame Retardant
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Intumescent Flame Retardant
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Halogen Free Flame Retardant
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Fabric Flame Retardant
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APP Ammonium Polyphosphate
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Wood Flame Retardant
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PP Flame Retardant
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Additives For Adhesives And Sealants
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Water Based Fire Retardant
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Paper Fire Retardant
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PU Flame Retardant
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Halogen Free Fire Retardants
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AP422 CROS484 Equal Type
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+8618981984219
APP Ammonium Polyphosphate Intumescent Flame Retardant Fire Retardant Additives
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xProduct Details
| Products | Intumescent Flame Retardant Ammonium Polyphosphate Flame | Appearance | White Powder |
|---|---|---|---|
| Addition Volume | 20%-27% | Safety | Non-dangerous |
| Bulk Density | 0.7g/cm3 | Black Peak | Class A |
| Smoke | Low And Nontoxic | Water Resistance | Good |
| Stability | Good | Viscosity | Low |
| Shelf Life | 2 Years | Application | Intumescent Paint, Rubber, PP, Expandable Fireproof Coating |
| High Light | Ammonium Polyphosphate Intumescent Flame Retardant,APP Intumescent Flame Retardant,APP Fire Retardant Additives |
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Product Description
Intumescent Flame Retardant APP Ammonium Polyphosphate Fire Retardant Additives
TF-201, it is equal to Clariant Exolit AP422 for intumescent coating. is used for intumescent fireproof coating. It is widely used for paint and fire coatings on wood and construction steel, and plywood, and wood plastic composites.
Specification :
| specification | TF-201 |
| Appearance | White powder |
| P content (w/w) | ≥31 |
| N content (w/w) | ≥14% |
| Degree of polymerization | ≥1000 |
| Moisture (w/w) | ≤0.3 |
| Solubility (25℃, g/100ml) | ≤0.5 |
| PH value (10% aqueous suspension, at 25ºC) | 5.5-7.5 |
| Viscosity(10% aqueous suspension, at 25ºC) | <10 |
| Particle size (µm) | D50,14-18 |
| D100<80 | |
| Whiteness | ≥85 |
| Decomposition temperature | T99%≥240℃ |
| T95%≥305℃ | |
| Color stain | A |
| Conductivity(µs/cm) | ≤2000 |
| Acid value(mg KOH/g) | ≤1.0 |
| Bulk density(g/cm3) | 0.7-0.9 |
Charateristics:
1. Halogen-free and environmentally friendly flame retardant
2. Low water solubility, extremely low aqueous solution viscosity, low acid value
3. Good thermal stability, migration resistance and precipitation resistance
4. The particle size is extremely small, especially suitable for occasions with high particle size requirements, such as high-end fireproof coatings, textiles
Coating, polyurethane rigid foam, sealant, etc.;
5. Biodegradable into phosphorus and nitrogen compounds
APP Phase II has an high polymerization degree, with n>1000, its structure is cross linked (branched), and it is an high-quality non-halogenated flame retardant. APP phase II, Ammonium polyphosphate, has an higher thermal stability (the decomposition starts at approximately 275°C) and lower water solubility than APP I.
Main Applications:
Solvent based and Water based intumescent coatings.
Flame retardant for polyurethanes.
Flame retardant for unsaturated polyesters.
Flame retardant for epoxies.
Flame retardant for acrylics.
How does flame retardant work?
Ammonium polyphosphate (Phase II) is a non-halogen flame retardant. It acts as flame retardant by intumescence mechanism. When APP-II is exposed to fire or heat, it decomposes to polymeric phosphate acid and ammonia. The polyphosphoric acid reacts with hydroxyl groups to form a nonstable phosphateester. Following dehydration of the phosphateester, a carbon foam is built up on the surface and acts as an insulation layer.
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