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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
Low Density AP422 CROS484 Equal Type Ammonium Polyphosphate
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xFire Retardant | UL94 V-0 | Appearance | White Powder |
---|---|---|---|
Addition Volume | About 22% | FR Type | Intumescent |
Eco-freindly | Halogen-free | Mechanical Properties | Good |
Density | Low | Smoke | Low Smoke Generation |
Heavy Metal | No Heavy Metal Ions | ||
Highlight | Equal Type Ammonium Polyphosphate,Low Density Ammonium Polyphosphate,AP422 CROS484 Ammonium Polyphosphate |
Halogen-Free Intumescent Flame Retardant For PP UL94 V-0 GWIT 960℃ Similar Application With AP760 From Clariant
PP with 22% TF-241 can pass the tests of UL94 V-0(3.0mm) and GWIT 960℃.
TF-241 is a white free flowing powder. It is a halogen-free additive flame retardant based on ammonium polyphosphate which develops its effectiveness through phosphorus and nitrogen synergism.
TF-241 differs in its mode of action from chlorine or bromine containing flame retardants by achieving its effect through intumescece. The flame retardanted material foams on exposure to flame. The carbon foam layer so formed protects the polymer through its heat-insulating effect and reduces further oxygen access.
Technical Data Sheet / Specification:
Specification | TF-241 |
Appearance | White powder |
P2O5 content (w/w) | ≥52% |
N content (w/w) | ≥18% |
Moisture (w/w) | ≤0.5% |
Bulk density | 0.7-0.9 g/cm3 |
Decomposition Temperature | ≥260℃ |
Average particle size ( D50) | about 18µm |
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 (UL94 V0):
Material | Formula S1 | Formula S2 |
Homopolymerization PP (H110MA) | 69.3 | |
Copolymerization PP (EP300M) | 69.3 | |
Lubricant(EBS) | 0.2 | 0.2 |
Antioxidant (B215) | 0.3 | 0.3 |
Anti-dripping (FA500H) | 0.2 | 0.2 |
TF-241 | 30 | 30 |
Mechanical properties:
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, 22mt/20’fcl without pallets, 17mt/20’fcl with pallets. Other packing as request.
Storage: in dry and cool place, keeping out of moisture and sunshine, shelf life two years.