The core advantages of using the blend APP TF-241 has a flame retardant in polypropylene (PP) are as follows.
Firstly, TF-241 effectively suppresses the flammability of PP, enhancing its fire resistance. This is crucial in applications where fire safety is a priority.
Secondly, TF-241 has excellent thermal stability, preserving the structural integrity of PP under high temperatures. It also helps reduce smoke release and toxic gas emissions during combustion, mitigating potential health hazards.
Additionally, TF-241's compatibility with PP is superb, ensuring easy integration and consistent performance.
Overall, the synergistic mixture of TF-241 demonstrates its core advantages as a flame retardant for PP.
Specification |
TF-241 |
Appearance |
White powder |
P content (w/w) |
≥22 % |
N content (w/w) |
≥17.5% |
pH value (10% aq ,at 25℃) |
7.0~9.0 |
Viscosity (10% aq ,at 25℃) |
<30mPa·s |
Moisture (w/w) |
<0.5% |
Particle Size (D50) |
14~20µm |
Particle Size (D100) |
<100µm |
Solubility (10% aq ,at 25℃) |
<0.70g/100ml |
Decomposition Temperature (TGA, 99%) |
≥270℃ |
1. Halogen-free and none heavy metal ions.
2. Low density, low smoke generation.
3. White powder, good water resistance, can pass 70℃, 168h immersion test
4. High thermal stability, good processing performance, no obvious water slip during processing
5. Small addition amount, high flame retardant efficiency, more than 22% can pass UL94V-0 (3.2mm)
6.Flame-retardant products have good performance of high temperature resistance and can pass GWIT 750℃ and GWFI 960℃ tests
7.Biodegradable into phosphorus and nitrogen compounds
TF-241 is used in homopolymerization PP-H and copolymerization PP-B and HDPE . It is widely used in flame retardant polyolefin and HDPE 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 |
22-24% |
23-25% |
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.
Storage: in dry and cool place, keeping out of moisture and sunshine, min. shelf life two years.