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

Daihachi CR-733S Flame Retardant

Daihachi CR-733S is a bromine-free, phosphorus-based flame retardant from Daihachi Chemical’s CR series, designed for engineering plastics like PBT and PC blends. It offers excellent thermal stability, low smoke generation, and UL94 V-0 rating at low loading levels. Compatible with glass-fiber reinforcement, it ensures superior mechanical properties and processability in injection molding applications.
  • daihachi cr 733s flame retardant_403e407e
  • daihachi cr 733s flame retardant_403e407e

Features Of Daihachi CR-733S Flame Retardant

  1. Halogen-free formulation ensuring low smoke and zero corrosive gas emission during combustion.

  2. Excellent thermal stability, maintaining performance up to 300 °C in polymer processing environments.

  3. High compatibility with polyolefins, engineering thermoplastics, and elastomers without compromising mechanical properties.

  4. UL 94 V-0 rated at 1.6 mm thickness when compounded at recommended loading levels.

  5. Low migration tendency and superior long-term flame-retardant retention under heat and humidity exposure.

Typical Applications Of Daihachi CR-733S Flame Retardant

  1. Wire and cable insulation for building wiring and data transmission cables.

  2. Automotive interior components including dashboards, door panels, and seating foams.

  3. Electrical enclosures and housings for consumer electronics and industrial control units.

  4. Flexible and rigid PVC-free flooring and wall coverings requiring fire safety compliance.

  5. Thermoplastic elastomer (TPE) products used in medical device housings and wearable equipment.

Specifications Of Daihachi CR-733S Flame Retardant

Chemical TypeOrganophosphorus-based, halogen-free flame retardant
Product FormFree-flowing white granules
AppearanceOff-white to light beige granules, uniform particle size
Density (23 °C)1.38–1.42 g/cm³
Melting Range220–240 °C (DSC, heating rate 10 °C/min)
Moisture Content≤ 0.2 wt% (by Karl Fischer titration)
pH (10% aqueous dispersion)6.5–7.5
Key Regulatory ComplianceRoHS 2015/863/EU compliant; REACH SVHC-free


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