polyisoprene

polymer

Polyisoprene is a synthetic rubber polymer that replicates the structure and performance of natural rubber, offering excellent elasticity and resilience across a wide temperature range. It is widely used in tire manufacturing, seals, gaskets, and flexible tubing where high elongation, resilience, and moderate temperature tolerance are required. Engineers select polyisoprene over other elastomers when natural rubber properties are needed with improved consistency, chemical stability, or when synthetic alternatives to latex are preferred for cost or supply-chain reasons.

tire compounds and treadsseals and gasketsflexible hoses and tubingvibration isolation mountsadhesives and sealantslatex-free applications

Compliance & Regulations

?UL 94?ITAR?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Elongation at Break(εf)
-
Ultimate Tensile Strength(σUTS)
ksi
Young's Modulus(E)
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Glass Transition Temperature(Tg)
°F
Melting Point / Solidus(Tm)
°F
Maximum Service Temperature(Tmax)
°F
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Refractive Index(n)
-
Verified Unverified Low confidence (<80%) Link to source

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.
polyisoprene — Properties & Data | MatWorld