Description

Poly-Tribromostyrene is a high-performance brominated flame retardant additive, specifically a polymerized aromatic bromide. This compound is valued for its excellent thermal stability and high bromine content, which provides superior flame-retardant efficiency in various polymer matrices. It is primarily utilized by manufacturers in the plastics, electronics, and construction materials industries seeking to enhance the fire safety of their products while maintaining material properties.

Application

• As a highly effective flame retardant in engineering thermoplastics such as PBT, PET, nylon, and polycarbonate blends.
• Key additive in fire-safe wire and cable insulation and jacketing materials.
• Enhances fire resistance in electronic components, connectors, and housings.
• Used in construction materials like flame-retardant panels, seals, and thermal insulation foams.
• Formulation component for fire-retardant coatings and adhesives.
• Applicable in synthetic fibers and textiles requiring flame-retardant properties.
• Potential use as a synergist in halogenated flame retardant systems with antimony trioxide.

Basic Information

Product Name	Poly-Tribromostyrene
CAS No.	57137-10-7
Molecular Formula	(C8H5Br3)n
Molecular Weight	Variable (Polymer)
Synonyms	Poly(1,2,4-tribromostyrene); Polytribromostyrene; PTBS; Brominated polystyrene (high-bromine grade); Tris-Br-PS; Flame retardant 7010; FR-7010; 1,2,4-Tribromostyrene polymer
EINECS	Contact for details

Quality Control

Our Poly-Tribromostyrene is manufactured under a rigorous quality management system. Each batch is tested to ensure consistent performance, including key parameters like bromine content, thermal stability, and particle size distribution. We provide comprehensive Certificates of Analysis (COA) upon request and can support compliance with relevant industry standards such as UL 94 and IEC 60754.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizers and heat sources. The product is not classified as hygroscopic under normal conditions but should be protected from prolonged exposure to high humidity.

Specification

Item	Specification
Appearance	White to off-white powder
Bromine Content	≥ 68.0 %
Thermal Decomposition Temperature (Td)	> 300 °C
Melting Point	200 - 230 °C
Volatile Matter	≤ 0.5 %
Particle Size (D50)	10 - 30 μm
Acidity (as HBr)	≤ 50 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.