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

Ohara CR-741 BDP Phosphate Flame Retardant

OharaCR-741BDPPhosphateFlameRetardantisahalogen-free,phosphorus-basedadditivefromOhara’sCRseries,designedforpolycarbonateandPC/ABSblends.Itoffersexcellentthermalstability,lowmigration,goodcompatibility,andUL94V-0ratingat10–12wt%.Itenhancesflameretardancywithoutcompromisingmechanicalpropertiesortransparency.
  • ohara cr 741 bdp phosphate flame retardant_010b4cea
  • ohara cr 741 bdp phosphate flame retardant_010b4cea

Features Of Ohara CR-741 BDP Phosphate Flame Retardant

  1. High thermal stability suitable for processing temperatures up to 300 °C.

  2. Low volatility and minimal migration in polymer matrices during long-term service life.

  3. Excellent compatibility with polycarbonate (PC), PC/ABS blends, and polyesters.

  4. Halogen-free formulation meeting stringent environmental and regulatory requirements (e.g., RoHS, REACH).

  5. Efficient gas-phase flame inhibition mechanism with low loading levels (typically 8–12 wt%).

Typical Applications Of Ohara CR-741 BDP Phosphate Flame Retardant

  1. Flame-retarded polycarbonate for electronic enclosures and housing components.

  2. PC/ABS blends used in automotive interior parts requiring UL94 V-0 rating.

  3. Engineering thermoplastics for IT and telecommunications equipment housings.

  4. LED lighting fixtures and optical components demanding clarity and fire safety.

  5. Consumer electronics casings where low smoke density and non-corrosive decomposition are critical.

Specifications Of Ohara CR-741 BDP Phosphate Flame Retardant

Chemical TypeOrganophosphorus compound (Bisphenol A bis(diphenyl phosphate))
Product FormWhite to off-white granular solid
AppearanceFree-flowing granules, no visible impurities
Molecular Weight (approx.)990 g/mol
Phosphorus Content5.6–5.9 wt%
Decomposition Onset Temperature≥290 °C (by TGA, 10 °C/min, N₂)
Moisture Content≤0.1 wt%
Density1.28–1.32 g/cm³


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