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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
CAS NO.68333-79-9 Ammonium Polyphosphate Flame Retardant APP201

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xProducts | Intumescent Flame Retardant APP | 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 |
CAS NO.68333-79-9 Ammonium Polyphosphate Flame Retardant APP201
Product descriotion:
Ammonium polyphosphate (phase川is a non-halogen fiame retardant, it acts a fiame retardant by intumescence mechanism. When APP I1 is exposed to fire or heat, it decomposes to polymeric phosphate acid and ammonia, The polyphosphoric acid reacts reacts with hydroxy groups to form a nonstable phosphateester. Following dehydration of the phosphate ester, a carbon foam is built up on the surface and acts as an insulation layer.
Basic concept of intumescent:
●Intumescent is a substance which swells as a result of heat exposure, thus increasing in volume, and decreasing in density.
●Expansionis pormally around 40-60 times the applied DFT
●Char of low. thermal conductivity that reduces heat transter t10 substrate
● Thermal insulation of substrate
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 |
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.
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.
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