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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
Top Flame Retardant Ammonium Polyphosphate Phase II CAS 68333-79-9
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xAppearance | White Powder | Base | N And P Base |
---|---|---|---|
Environmentally | Friendly | Solubility | <0.45% |
PH Value | 5.5-7.5 | Average Partical Size (D50) | 15-25UM |
Highlight | Top Flame Retardant Ammonium Polyphosphate,Phase II Ammonium Polyphosphate,68333-79-9 App Ammonium Polyphosphate |
Top Flame Retardant Ammonium Polyphosphate Phase II
Description of Product
Molecular formula : (NH4PO3)n n>1000
CAS No.: 68333-79-9
EINECS No.: 269-789-9
HS CODE: 2835.3990
Model No.: TF-201
Ammonium polyphosphate (Phase II) is a non-halogen flame retardant. It acts as a flame retardant by the 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 phosphate ester. Following dehydration of the phosphate ester, a carbon foam is built upon the surface and acts as an insulation layer.
Index
Appearance | White powder |
P2O5 (w/w) | ≥71% |
N Content (w/w) | ≥14% |
Decomposition Temperature (TGA, 99%) | >275℃ |
Solubility (10% aq. , at 25ºC) | <0.45% |
pH value ( 10% aq. At 25ºC ) | 5.5-7.5 |
Viscosity (10% aq, at 25℃) | <20 mpa.s |
Moisture (w/w) | <0.25% |
Average Partical size (D50) | 15~25µm |
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 the forest, oil field, and coalfield, etc.
4. In plastics(PP, PE, etc. ), Polyester, Rubber, and Expandable fireproof coatings.
5. used for textile coatings.
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