Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Chemtura PBS-64HW Nylon PA Flame Retardant

Chemtura PBS-64HW is a halogen-free, phosphorus-based flame retardant specifically engineered for nylon 6 and nylon 66 engineering plastics. Part of Chemtura’s PBS series, this high-water-resistance (HW) grade ensures excellent thermal stability, low volatility, and superior UL94 V-0 performance at low loadings. It maintains mechanical properties while meeting stringent RoHS and REACH compliance requirements for automotive and electronics applications.
  • chemtura pbs 64hw nylon pa flame retardant_34a569b0
  • chemtura pbs 64hw nylon pa flame retardant_34a569b0

Features Of Chemtura PBS-64HW Nylon PA Flame Retardant

  1. Halogen-free formulation compliant with RoHS and REACH regulations.

  2. Excellent thermal stability for processing in high-temperature nylon (PA6, PA66) compounding.

  3. Low smoke density and reduced toxic gas emission during combustion.

  4. Maintains good mechanical properties—including tensile strength and impact resistance—in flame-retarded nylon compounds.

  5. Good dispersion and compatibility with polyamide matrices without significant degradation of melt flow.

Typical Applications Of Chemtura PBS-64HW Nylon PA Flame Retardant

  1. Electrical and electronic connectors requiring UL 94 V-0 rating.

  2. Automotive under-hood components such as sensor housings and fuse boxes.

  3. Consumer appliance housings including power tools and kitchen appliances.

  4. Industrial control enclosures and junction boxes exposed to elevated ambient temperatures.

  5. 3D printing filaments based on flame-retarded nylon for functional prototyping.

Specifications Of Chemtura PBS-64HW Nylon PA Flame Retardant

Chemical TypePhosphorus-based halogen-free flame retardant
Product FormFree-flowing white granules
AppearanceOff-white to light beige granular solid
Primary ApplicationsFlame retardancy for polyamide 6 and polyamide 66
Key FeaturesUL 94 V-0 achievable at 15–20 wt% loading in PA6/PA66
BenefitsImproved comparative tracking index (CTI ≥ 600 V) and reduced afterglow
Processing Temperature Range240–280 °C (recommended for extrusion and injection molding)
Storage ConditionsStore in dry, cool conditions; protect from moisture absorption


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