Description
Coated Anti-dripping Agent TPD-405B is a kind of polymer coated on the surface of PTFE particles, which makes it have better dispersion in the process of mixing plastic resins. It is mainly used in plastic materials that require flame retardant grade up to UL V0. It can prevent melting and dropping, and improve flame retardant performance. It can still meet the requirements of standard UL V-0 when reducing the amount of flame retardant, and at the same time reduce costs and enhance product competitiveness.
Features
- Excellent dispersibility, compatibility and operability
- No agglomeration at room temperature
- No wrinkles for plastic products
- No crystal points for black and white products
- Significantly improved surface gloss of plastic products
- Less impact on the impact strength due to good compatiblity
Technical Index
| Appearance | White particles | Heavy metal content | Not detected |
| Molecular Mass, g/mol | 4-5 million | Cd(ppm) | ＜5 |
| PTFE content, %wt | 51±2% | Pb(ppm) | ＜5 |
| Flow Velocity of sandglass | 65 g/sec | Black spot(spot/10g) | Not detected |
| Bulk density, g/L | 350 | Decomposition(℃,N2) | ＞310℃ |
| Average Particle Size (16mesh) | ＞99 | Volatile Component, % | ＜1.5 |
| VOT, % | ＜0.5 | Moisture, % | ≤0.35 |
Applications
Suitable for thermoplastics, such as PC, ABS, PC/ABS, HIPS, Nylon, PPO, PBT, PP or their compounds that require to meet UL94 V0(1.6mm) standard.
Dosage and method of use
Can be directly added to the plastic formula for extrusion granulation, typical dosage level is: 0.15% to 0.5%. Usually, using twin-screw extrusion has a better performance than single-screw.
| PC/ABS | 0.20%-0.30% |
| PC | 0.30%-0.50% |
| ABS | 0.15%-0.30% |
Reference Materials: UL 94 flammability standards
| UL 94 | V0 | V1 | V-2 |
|---|---|---|---|
| Primary combustion time | 10 seconds | 20 seconds | 30 seconds |
| Total burn time 5 strips twice ignition | 50 seconds | 150 seconds | 250 seconds |
| Cotton combustion of molten drop | Non-ignitable | Non-ignitable | Non-ignitable |
Packaging and storage
Environmental friendly carton drum lined with PE bag, net weight 20kg/drum.
Stored in dry, dark and ventilated place, avoid moisture
Shelf Life: 3 years
