polymer_dielectric_constant_231

polymer

This is a high-permittivity polymer dielectric material, likely a composite or filled polymer system engineered to achieve elevated dielectric constant performance while maintaining polymer processing benefits. Polymers with this dielectric profile are used in capacitive energy storage, electromagnetic shielding, and high-frequency electronics where space-constrained designs require materials bridging the gap between traditional ceramics and conventional plastics.

high-voltage capacitorselectromagnetic shielding filmsprinted circuit board substratesenergy storage devicesRF/microwave packagingflexible electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Dielectric Constant (Relative Permittivity)(εr)	4.730 range 4.500–4.960median 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_231

Electrical Properties

Regulatory Screening

Environmental

Safety & Biocompatibility