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

SR-0270 Polyurethane Flame Retardant

SR-0270 is a halogen-free, phosphorus-nitrogen synergistic polyurethane flame retardant from SunRise’s SR-Series. Designed for flexible & rigid PU foams, it delivers UL94 V-0 rating at low loading (12–15 wt%), maintains foam elasticity, and complies with RoHS/REACH. Non-migrating, thermally stable up to 220°C, and compatible with TDI/MDI systems.
  • sr 0270 polyurethane flame retardant_42a21a02
  • sr 0270 polyurethane flame retardant_42a21a02

Features Of SR-0270 Polyurethane Flame Retardant

  1. Halogen-free formulation ensuring low smoke density and minimal toxic gas emission during combustion.

  2. Excellent compatibility with flexible and rigid polyurethane foams without compromising mechanical properties.

  3. Effective flame retardancy achieving UL 94 HF-1 and FMVSS 302 compliance in standard formulations.

  4. Thermally stable up to 220 °C, supporting conventional PU processing temperatures.

  5. Low volatility and negligible migration, contributing to long-term fire performance retention.

Typical Applications Of SR-0270 Polyurethane Flame Retardant

  1. Automotive interior foam components including seat cushions, headrests, and armrests.

  2. Residential and commercial upholstered furniture foam cores requiring CAL 117 or BS 5852 compliance.

  3. Building insulation boards and sandwich panel core materials for non-structural applications.

  4. Marine upholstery foams meeting IMO FTPC Part 5 flammability requirements.

  5. Medical equipment padding where low-smoke, low-toxicity performance is critical.

Specifications Of SR-0270 Polyurethane Flame Retardant

Chemical TypeOrganophosphorus-based flame retardant
Product FormFree-flowing white to off-white granular solid
AppearanceUniform granules, no visible dust or clumps
Density (25 °C)1.45–1.55 g/cm³
Moisture Content≤ 0.3 wt%
Melting Range185–195 °C
pH (10% aqueous dispersion)6.0–7.5
Storage StabilityStable under dry, cool conditions (≤ 30 °C) for ≥ 24 months


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