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Ammonium Polyphosphate Flame Retardant
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AP422 CROS484 Equal Type
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Lucy Wang
Phone Number :
+86-28-84721008
Whatsapp :
+8618981984219
APP Ammonium Polyphosphate holagen-free Intumescent Flame Retardant APP201 For steel
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xProduct Details
| 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 | 1 Year |
| Product | Intumescent Flame Retardan | Application | Steel, Powder Extinguishing Agent,plastics, Rubber |
Product Description
APP Ammonium Polyphosphate Holagen-Free Intumescent Flame Retardant APP201 For Steel
Shifang Taifeng is a manufacture of Ammonium Polyphosphate(APP) with 21years experience. APP TF-201, equal to Clariant Exolit AP422, is a halogen falme retardant for intumescent paint . It is widely used for fire coatings on wood and steel, and also for plywood, 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 |
Description :
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.
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
Applications:
1. used to prepare many kinds of high-efficiency intumescent coating, the flameproof treatment for wood, multistory building, ships, trains, cables, etc.
2. used as the main flameproof additive for expanding-type flame retardant used in plastic, resin, rubber, etc.
3. make into powder extinguishing agent to be used in large-area outfire for forest, oil field and coal field, etc.
4. In plastics(PP, PE, etc. ), Polyester, Rubber, and Expandable fireproof coatings.
5. used for textile coatings.
Packing : TF-201 25kg/bag, 24mt/20’fcl without pallets, 20mt/20’fcl with pallets. Other packing as request.
Storage: in dry and cool place, keeping out of moisture and sunshine, min. shelf life one year.
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