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

Ohara CR-733S Engineering Plastic Flame Retardant

Ohara CR-733S is a halogen-free flame-retardant engineering plastic from Ohara’s CR-series, offering UL94 V-0 rating, high flowability, excellent dimensional stability and superior electrical insulation—ideal for precision automotive and electronic components requiring stringent safety and performance standards.
  • ohara cr 733s engineering plastic flame retardant_dde69dd2
  • ohara cr 733s engineering plastic flame retardant_dde69dd2

Features Of Ohara CR-733S Engineering Plastic Flame Retardant

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

  2. Excellent thermal stability for processing at elevated temperatures (up to 300 °C).

  3. High flame retardancy achieving UL94 V-0 rating at 1.6 mm thickness.

  4. Maintains mechanical integrity and dimensional stability in engineering thermoplastics.

  5. Low smoke density and minimal toxic gas emission during combustion.

Typical Applications Of Ohara CR-733S Engineering Plastic Flame Retardant

  1. Electrical enclosures and housings for industrial control systems.

  2. Connectors and terminal blocks in automotive electronic modules.

  3. LED lighting components requiring high fire-safety performance.

  4. Consumer electronics casings, including power adapters and charging stations.

  5. Public transportation interior parts subject to stringent flame-spread standards.

Specifications Of Ohara CR-733S Engineering Plastic Flame Retardant

Chemical TypePhosphorus-based organic flame retardant
Product FormFree-flowing white powder
AppearanceWhite to off-white granular powder
Density1.35–1.42 g/cm³ (at 25 °C)
Decomposition Temperature≥280 °C (TGA onset, N₂ atmosphere)
SolubilityInsoluble in water; dispersible in common engineering plastics (e.g., PBT, PC/ABS)
Key FeaturesHalogen-free, UL94 V-0 certified, low migration, good compatibility
Storage ConditionsStore in cool, dry place; protect from moisture and direct sunlight


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