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Halogen-free formulation for reduced smoke density and low toxicity during combustion.
Designed for polycarbonate (PC) resins, enabling excellent compatibility and minimal impact on mechanical properties.
Meets UL 94 V-0 flammability rating at thin-wall thicknesses (e.g., 1.5 mm).
Thermally stable up to 300 °C, supporting standard PC processing conditions including injection molding.
No blooming or plate-out observed in long-term processing, ensuring consistent surface quality and part aesthetics.
Electrical enclosures for industrial control panels and power distribution units.
Housings for LED lighting fixtures requiring high clarity and flame resistance.
Components in consumer electronics where RoHS compliance and UL certification are mandatory.
Public transportation interior parts, including dashboard trim and signage housings.
Medical device casings requiring biocompatibility-supporting materials and clean processing.
| Chemical Type | Phosphorus-based organic flame retardant |
| Product Form | Powder |
| Appearance | White to off-white free-flowing powder |
| Primary Applications | Flame retardancy for polycarbonate (PC) and PC blends |
| Key Features | Halogen-free, UL 94 V-0 rated, thermally stable, low volatility |
| Benefits | Maintains PC transparency and impact strength; supports sustainable manufacturing |
| Regulatory Compliance | RoHS 2011/65/EU compliant; REACH SVHC-free |
| Recommended Loading Level | 8–12 wt% in polycarbonate matrix |
Q1: What is the primary polymer matrix compatibility for FR-2025?
A: FR-2025 is specifically engineered for use in polycarbonate (PC) and PC-based blends, including PC/ABS and PC/polyester systems. It maintains excellent thermal stability and dispersion characteristics during standard PC processing conditions.
Q2: How does FR-2025 affect the mechanical properties of finished PC parts?
A: When properly compounded, FR-2025 delivers balanced flame retardancy with minimal impact on key mechanical properties such as impact strength, tensile modulus, and heat deflection temperature—especially compared to halogenated alternatives or certain phosphorus-based additives.
Q3: Is FR-2025 suitable for applications requiring UL 94 V-0 rating at thin wall sections?
A: Yes—FR-2025 is formulated to help achieve UL 94 V-0 classification at standard thicknesses (e.g., 1.5 mm and 3.0 mm) in unfilled polycarbonate. Performance at thinner gauges (e.g., ≤0.8 mm) depends on base resin selection, compounding uniformity, and processing parameters.
Q4: What are typical dosage guidelines for FR-2025 in PC formulations?
A: Dosage is formulation-dependent but generally ranges from 0.1% to 2% by weight in neat PC, with most commercial applications using concentrations between 0.5% and 1.5%. Optimization requires evaluation of flame performance, clarity, and mechanical balance in the target application.
Q5: Does FR-2025 support regulatory compliance for electronics housing applications?
A: FR-2025 is halogen-free and designed to meet evolving requirements for restricted substances in electronic enclosures, including RoHS and REACH SVHC considerations. Final compliance depends on full formulation composition and end-product testing per applicable regional standards.
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