RK-153
PA6 66 special halogen-free flame retardant RK-153
Product introduction
RK-153 halogen-free flame retardant is an environmentally friendly polyamide flame retardant with phosphorus and nitrogen as flame retardant elements. It is specially designed for various flame retardant polyamide products, and can also be used for PBT and PET flame retardant products. RK-153 is composed of an intumescent flame retardant system and is added with a carbon-forming accelerator to form an intumescent carbon layer to play a flame-retardant effect on polyamide. The flame retardant properties of PA6 and PA66 with RK-153 flame retardant added can reach UL 94-V0 (3.2mm), and passed the 70oC×168 hours water immersion test (UL746C), and passed the GWIT 750oC and GWFI 960oC Glow Wire Test; and not subject to the Directive 2002/95/EC on the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment adopted by the European Union and its Council; the flame retardant articles obtained by applying this product have a low density , Low smoke emission and small mold corrosion. Compared with aluminum diethyl hypophosphite, this product has the characteristics of small addition amount and low cost. Because RK-153 has a certain hydrophobic ability, it will not be slippery when used in the extrusion production process of PA6 and PA66.
Product indicators
Project |
Metrics |
Appearance |
white powder |
Bulk density g/cm3 |
~0.67 |
Nitrogen % span> |
16±1 |
Phosphorus % span> |
17±1 |
Water soluble% span> |
≤0.3 |
Moisture% span> |
≤0.5 |
Average particle sizeμm |
~10 |
Decomposition temperatureoC strong> |
≥310 |
Recommended dosage
Resin varieties |
RK-152Add % |
Flame retardant UL94< /span> |
Oxygen Index (%)< /strong> |
PA6 |
12 |
V0(3.2mm) |
30.3 |
PA66 |
12 |
V0(3.2mm) |
36.2 |
Package storage
20Kg/pack; transported as general chemicals, store in a dry and cool place, avoid direct sunlight.
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