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

Ohara PX-202 Phosphate Flame Retardant

Ohara PX-202 is a halogen-free phosphate-based flame retardant from Ohara’s PX series, engineered for high thermal stability and low volatility in engineering plastics like PBT and PC blends. It delivers excellent UL94 V-0 rating, minimal impact on mechanical properties, and superior hydrolytic resistance—ideal for demanding automotive and electronics applications.
  • ohara px 202 phosphate flame retardant_3e10d169
  • ohara px 202 phosphate flame retardant_3e10d169

Features Of Ohara PX-202 Phosphate Flame Retardant

  1. Halogen-free formulation for reduced smoke and toxic gas generation during combustion.

  2. Excellent thermal stability suitable for processing temperatures up to 300 °C.

  3. Good compatibility with polyolefins, engineering thermoplastics, and elastomers.

  4. Low volatility and minimal migration, ensuring long-term flame-retardant performance.

  5. Meets UL 94 V-0 rating at appropriate loading levels in selected polymer systems.

Typical Applications Of Ohara PX-202 Phosphate Flame Retardant

  1. Flame-retarded polypropylene (PP) for automotive interior components.

  2. Wire and cable jacketing compounds based on thermoplastic elastomers (TPE).

  3. Electrical enclosures and housings made from polybutylene terephthalate (PBT).

  4. Household appliance parts requiring UL 94 compliance and low-smoke performance.

  5. 3D printing filaments (e.g., flame-retarded PLA blends) for functional prototyping.

Specifications Of Ohara PX-202 Phosphate Flame Retardant

Chemical TypeOrganophosphorus compound (aromatic phosphate ester)
Product FormPowder
AppearanceWhite to off-white free-flowing powder
Phosphorus Content (as P)Approx. 11.5 wt%
Decomposition Onset Temperature≥ 280 °C (by TGA, 10 °C/min, N₂)
Bulk Density0.7–0.9 g/cm³
pH (1% aqueous suspension)5.5–7.0
Moisture Content≤ 0.3 wt%


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