poly(tert-butylstyrene)

polymer

Poly(tert-butylstyrene) is a styrene-based engineering thermoplastic featuring bulky tert-butyl side groups that significantly enhance thermal stability and rigidity compared to polystyrene. The material is primarily employed in high-performance applications requiring excellent dimensional stability at elevated temperatures, such as electrical/electronic components, precision automotive parts, and specialty composite matrices where thermal resistance and mechanical consistency are critical. Its main advantage over conventional polystyrene lies in superior glass transition behavior and resistance to thermal degradation, making it valuable for engineers working with tight-tolerance applications or moderate-temperature service environments.

electrical connectors and housingsautomotive underhood componentshigh-temperature polymer matrix systemsprecision structural compositesthermal-resistant molded parts

Compliance & Regulations

?UL 94?ITAR?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Glass Transition Temperature(Tg)	403	K	—

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Regulatory Screening

Environmental

Export Control

Safety & Biocompatibility

Quality & Standards

Industry-Specific

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.