trans-polyisoprene

polymer

Trans-polyisoprene is a synthetic rubber polymer produced through the stereospecific polymerization of isoprene, yielding a predominantly trans (1,4-) configuration that differs from natural rubber's cis structure. This geometric isomer exhibits improved crystallinity and stiffness compared to cis-polyisoprene, making it valuable in applications requiring dimensional stability and resistance to deformation under load. It competes with natural rubber and other synthetic elastomers in tire manufacturing, sealing applications, and flexible hose systems where consistent properties and reproducibility are preferred over the biological variability of natural sources.

synthetic rubber compoundstire sidewalls and treadsindustrial seals and gasketsflexible tubing and hoseselastomer blends for stiffnessresearch polymer chemistry

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)	205.3	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.