vinyl ester resin

polymer

Vinyl ester resin is a thermosetting polymer derived from epoxy resin chemistry, characterized by vinyl ester functional groups that provide enhanced chemical resistance and mechanical toughness compared to polyester resins. It is widely used in marine, chemical processing, and corrosive environment applications where superior durability and resistance to water absorption are critical, making it the preferred choice over polyester for long-service-life composites exposed to aggressive chemicals or saltwater.

marine vessel hulls and componentschemical storage tanks and pipingcorrosion-resistant composite structureswind turbine bladeswastewater treatment equipmentaerospace secondary structures

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Glass Transition Temperature(Tg)	195.8	°F	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Safety & Biocompatibility

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.

vinyl ester resin

Thermal Properties

Regulatory Screening

Environmental

Safety & Biocompatibility