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High-efficiency brominated flame retardant with excellent thermal stability up to 280 °C.
Low volatility and minimal migration, ensuring long-term flame-retardant performance in polymer matrices.
Good compatibility with common thermoplastics including ABS, HIPS, and PC/ABS blends.
Meets stringent UL 94 V-0 rating at recommended loading levels (12–15 wt% in ABS).
Low smoke density and reduced corrosive gas emission during combustion, supporting improved fire safety compliance.
Electrical and electronic enclosures requiring UL 94 V-0 certification.
Housing components for consumer appliances such as air conditioners and washing machines.
Automotive interior parts including dashboards, trim panels, and connector housings.
IT and office equipment casings, including printers, monitors, and power adapters.
Industrial control boxes and junction boxes exposed to elevated ambient temperatures.
| Chemical Type | Tribromophenyl allyl ether-based brominated flame retardant |
| Product Form | Free-flowing white granules |
| Appearance | Off-white to light beige granules, uniform particle size |
| Bromine Content | 68.5 ± 0.5 wt% |
| Melting Point | 108–112 °C |
| Thermal Decomposition Onset (TGA, N₂) | ≥ 280 °C (5% weight loss) |
| Moisture Content | ≤ 0.1 wt% |
| Key Regulatory Compliance | RoHS-compliant; REACH registered; non-antimony synergist required |
Q1: What types of polymers is BTAC-245 compatible with?
A: BTAC-245 is primarily formulated for use in thermoplastic polymers such as polypropylene (PP), polyethylene (PE), and ethylene-propylene copolymers. It demonstrates good dispersion and thermal stability during melt processing, and may also be evaluated in certain engineering thermoplastics where halogen-free flame retardancy is required.
Q2: Is BTAC-245 a halogen-free flame retardant?
A: Yes, BTAC-245 is a bromine-free, phosphorus-based flame retardant designed to meet growing market demand for environmentally responsible alternatives. It functions through condensed-phase mechanisms, promoting char formation and reducing heat release without generating corrosive or toxic halogenated smoke.
Q3: How is BTAC-245 typically incorporated into polymer formulations?
A: BTAC-245 is generally added during compounding via twin-screw extrusion. It exhibits good thermal stability up to typical processing temperatures of polyolefins and can be used in masterbatch or direct-blend formats. Dosage depends on formulation requirements and target flame performance, but is typically used at low concentrations relative to the base polymer.
Q4: Does BTAC-245 affect the mechanical properties of the final compound?
A: When properly dispersed and dosed within recommended ranges, BTAC-245 generally maintains acceptable tensile strength and impact resistance in polyolefin systems. As with most additive flame retardants, excessive loading may influence ductility or elongation; optimization through formulation testing is advised for critical applications.
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