polymer_dielectric_constant_243

polymer

This is a polymer-based dielectric material, likely a specialty engineering polymer or composite formulation designed for high electrical insulation performance. The specific composition is not detailed in available records, but the designation suggests a polymer engineered or selected for its dielectric properties in electronic and electrical applications. Such materials are valued in industries requiring reliable electrical isolation, thermal management alongside insulation, or miniaturized component packaging where material efficiency is critical.

electrical insulation layersprinted circuit board substratescapacitor dielectricshigh-voltage cable sheathingelectronic component encapsulationthermal interface materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Dielectric Constant (Relative Permittivity)(εr)	3.640 range 3.030–4.250median of 2 measurements	-	—

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.

polymer_dielectric_constant_243

Electrical Properties

Regulatory Screening

Environmental

Safety & Biocompatibility