ProFlame ® PN59 Halogen-free flame retardant for PET/PBT
Advantages:
1. Achieving FR performance by both gas phase and solid phase mechanism
2. good colorability
3. no hydration, no blooming
4. good processability
5. good physical and electrical properties
6. low smoke, no-toxic
7. halogen-free, no harm to the environment and human body
Usage:
The recommended dosage of PN59 for PET fibers is 5-10 %. PN59 has to be incorporated in the PET compound before the spinning process.
In PBT, a dosage of 10-15% (by wt.) PN59 together with 10-15% nitrogen synergists like melamine polyphosphate or melamine cyanurate is usually sufficient to obtain the UL 94 V-0 classification for electrical components (at 1.6mm as well as 0.8 mm thicknesses).
Processing instructions:
1.Before incorporating PN59, it is important to predry the polyester as usual. If possible, the resulting moisture content should be below 0.05% (by wt.) for PBT and 0.005% for PET. 2.Predrying of PN59 is not necessary. However, predrying (e.g. 4 h at 120 °C) is recommended, if even very low moisture contents must be avoided.
Package:
PN59 is delivered in paper-plastic compound bag, net weight 20 or 25±0.1kg per bag