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Halogen-free formulation meeting stringent environmental and regulatory requirements (e.g., RoHS, REACH).
Designed for polycarbonate (PC) and PC blends to achieve UL 94 V-0 rating at thin wall thicknesses (≥1.5 mm).
Excellent thermal stability and minimal impact on mechanical properties such as impact strength and tensile modulus.
Good melt processability with low volatility and reduced plate-out during extrusion and injection molding.
Consistent flame retardancy performance across batch-to-batch production and varying processing conditions.
Electrical enclosures and housings for industrial control equipment.
LED lighting components including lens covers, heat sinks, and driver housings.
Consumer electronics casings requiring high clarity and flame resistance (e.g., power adapters, smart home devices).
Public transportation interior parts such as passenger information displays and panel trims.
Medical device housings where flame safety and biocompatibility-supporting material compatibility are critical.
| Chemical Type | Organophosphorus-based flame retardant additive |
| Product Form | Pellets |
| Appearance | Off-white to light beige free-flowing pellets |
| Primary Applications | Flame retardant masterbatch for polycarbonate (PC) and PC/ABS blends |
| Key Features | Halogen-free, UL 94 V-0 compliant, low smoke density, good UV stability |
| Benefits | Enables recyclability of PC, avoids corrosion in processing equipment, supports sustainable manufacturing |
| Recommended Loading Range | 8–12 wt% in polycarbonate matrix |
| Storage Conditions | Store in dry, cool conditions (<25°C); keep container sealed to prevent moisture absorption |
Q1: What is the primary polymer matrix this flame retardant is designed for?
A: FRMB-5915 is specifically formulated for use in polycarbonate (PC) and PC-based blends, where it delivers effective flame retardancy while maintaining key mechanical and optical properties.
Q2: How does FRMB-5915 differ from halogenated flame retardants commonly used in PC?
A: Unlike traditional brominated or chlorinated systems, FRMB-5915 is a halogen-free, phosphorus-based solution that supports compliance with evolving environmental and safety expectations—without compromising on processing stability or long-term thermal performance in PC applications.
Q3: Is FRMB-5915 suitable for thin-wall or high-flow PC parts requiring UL 94 V-0 rating?
A: Yes—FRMB-5915 is engineered to support UL 94 V-0 classification at typical wall thicknesses (e.g., 1.5 mm and above) in unfilled and glass-fiber-reinforced PC formulations, with good flow characteristics suitable for precision-molded components.
Q4: Does FRMB-5915 affect the clarity or color stability of transparent PC?
A: When properly compounded and processed, FRMB-5915 exhibits low intrinsic color and minimal impact on light transmission—making it appropriate for applications where optical clarity and long-term color retention are important.
Q5: What is the typical dosage range required to achieve target flame performance in PC?
A: Dosage depends on the base resin composition, filler content, and desired fire performance level, but FRMB-5915 is generally used at low concentrations—typically ranging from 0.1% to 2% by weight—to balance flame retardancy, physical properties, and processability.
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