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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
Contact Person :
Wesley Woo
Phone Number :
+86-28-84721008
Whatsapp :
+8613981864646
Intumescent Flame Retardant Chemical Fire Retardant 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 |
| Highlight | Intumescent Flame Retardant Chemical,Steel Intumescent Flame Retardant,REACH Fire Retardant Chemical |
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Product Description
Intumescent Flame Retardant Chemical Fire Retardant 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 (APP) is an organic salt of polyphosphoric acid and ammonia. As a chemical, it is non-toxic, environmentally friendly and halogen-free. It is most commonly used as a flame retardant, selection of the specific grade of ammonium polyphosphate can be determined by the solubility, Phosphorus content, chain length and polymerization degree. The chain length (n) of this polymeric compound can be linear or branched. Depending on the polymerization degree, there are two main families of ammonium polyphosphate: Crystal phase I APP (or APP I), and Crystal phase II APP (or APP II).
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 steel.
Flame retardant for polyurethanes.
Flame retardant for unsaturated polyesters.
Flame retardant for epoxies.
Flame retardant for acrylics.
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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