Poly(vinyl formal)

polymer

Poly(vinyl formal) is a thermoplastic polymer derived from polyvinyl alcohol through formal crosslinking, producing a resin with good mechanical strength, chemical resistance, and dimensional stability. It is primarily used in electrical insulation applications, adhesives, and coatings where thermal stability and rigidity are required, particularly in motor windings, transformers, and laminated structures in the electrical and automotive industries. The material is valued for its ability to maintain structural integrity at elevated temperatures and offers superior adhesion compared to unmodified vinyl polymers, making it an alternative where more cost-effective options lack the necessary thermal performance or chemical durability.

electrical insulationmotor windingstransformer componentsadhesive formulationsprotective coatingslaminated composites

Compliance & Regulations

?UL 94?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Glass Transition Temperature(Tg)
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K——
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.