Description

Brominated Polystyrene CAS NO 88497-56-7 is a high-performance halogenated flame retardant additive engineered for demanding polymer applications. Its primary value lies in providing excellent fire resistance while maintaining favorable processing characteristics and thermal stability in the final composite. This product is essential for manufacturers in the electronics, construction, and automotive industries who require reliable flame retardancy to meet stringent international safety standards.

Application

• As a highly effective flame retardant in engineering thermoplastics such as PBT, PET, nylon, and polycarbonate blends.
• Key component in printed circuit boards (PCBs) and electronic encapsulants to meet UL 94 V-0 and other flammability ratings.
• Used in wire and cable insulation formulations to enhance fire safety.
• Incorporated into thermoplastic compounds for automotive connectors and under-the-hood components.
• Additive for construction materials like polymer-based panels and insulation foams requiring improved fire performance.
• Flame retardant synergist in specific polymer alloys and high-temperature resins.

Basic Information

Product Name	Brominated Polystyrene
CAS No.	88497-56-7
Molecular Formula	(C8H7Br)n
Molecular Weight	Variable (Polymer)
Synonyms	Poly(bromostyrene); Brominated Poly(Styrene); PBS; FR-803P; BPS; Saytex HP-7010; Pyrochek 68PB; Bromine-containing Polystyrene Flame Retardant; Tetrabrominated Polystyrene
EINECS	Contact for details

Quality Control

Our Brominated Polystyrene is manufactured under a stringent quality management system. Every batch is tested to ensure consistent bromine content, thermal stability, and particle size distribution critical for performance in polymer matrices. Certificates of Analysis (COA) detailing purity and key parameters are provided with each shipment to guarantee supply reliability and formulation consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. Ensure the container is kept sealed when not in use to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white powder
Bromine Content	≥ 68.0 %
Thermal Decomposition Temperature (TGA, 5% wt. loss)	≥ 300 °C
Moisture Content	≤ 0.5 %
Particle Size (D50)	10 - 30 μm
Melting Point	200 - 230 °C

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