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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
Equal Type App Ammonium Polyphosphate 25um Eco Friendly
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xAppearance | White Powder | Base | N And P Base |
---|---|---|---|
Environmentally | Friendly | Solubility | <0.5% |
PH Value | 5.5-7.5 | Average Partical Size (D50) | 15-25UM |
Production | APP Ammonium Polyphosphate | Application | PP |
Highlight | Equal Type APP Ammonium Polyphosphate,APP Ammonium Polyphosphate 25UM,Eco Friendly APP Ammonium Polyphosphate |
Clariant Exolit AP766 ADEKA’S STAPFP-2000 Equal Type APP Ammonium Polyphosphate
Production Description:
TF-241 mainly contains P and N, is a kind of halogen free environmentally friendly flame retardant for polyolefin. It has been developed especially for various PP. Containing acid source, gas source and carbon source, TF-241 takes effect by char formation and intumescent mechanism.
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.
Advantage:
The flame retardant PP treated by TF-241 has better water resistance. It still has good flame retardant (UL94-V0) performance after boiling 72 hours in 70℃ water.
PP(3.0-3.2mm) with 22% TF-241 can pass the tests of UL94 V-0 and GWIT 750℃ / GWFI 960℃.
PP (1.5-1.6mm) with 30% addition volume of TF-241 can pass the tests of UL94 V-0.
Technical Data Sheet / Specification:
Specification | TF-241 |
Appearance | White powder |
P content (w/w) | ≥22.2% |
N content (w/w) | ≥17.5% |
Moisture (w/w) | ≤0.5% |
Bulk density | 0.7-0.9 g/cm3 |
Decomposition Temperature | ≥260℃ |
Average particle size ( D50) | 15-25µm |
Characteristics :
1. White powder, good water resistance.
2. Low density, low smoke generation.
3. Halogen-free and none heavy metal ions.
Application:
TF-241 is used in homopolymerization PP-H and copolymerization PP-B . It is widely used in
flame retardant polyolefin like steam air heater and household appliances.
Reference Formula for 3.2mm PP (UL94 V0):
Material | Formula S1 | Formula S2 |
Homopolymerization PP (H110MA) | 77.3% | |
Copolymerization PP (EP300M) | 77.3% | |
Lubricant(EBS) | 0.2% | 0.2% |
Antioxidant (B215) | 0.3% | 0.3% |
Anti-dripping (FA500H) | 0.2% | 0.2% |
TF-241 | 22% | 22% |
Mechanical properties based on 30% addition volume of TF-241. With 30% TF-241 to reach UL94 V-0(1.5mm)
Item | Formula S1 | Formula S2 |
Vertical flammability rate | V0(1.5mm) | UL94 V-0(1.5mm) |
Limit oxygen index (%) | 30 | 28 |
Tensile strength (MPa) | 28 | 23 |
Elongation at break (%) | 53 | 102 |
Flammability rate after water-boiled (70℃,48h) | V0(3.2mm) | V0(3.2mm) |
V0(1.5mm) | V0(1.5mm) | |
Flexural modulus (MPa) | 2315 | 1981 |
Melt index (230℃,2.16KG) | 6.5 | 3.2 |
Packing : 25kg/bag, 24mt/20’fcl without pallets, 20mt/20’fcl with pallets. Other packing as request.
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2, High reliable for more than 10 years
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