polymer_dielectric_constant_239

polymer

This is a polymer-based dielectric material, likely an advanced engineering polymer or composite formulation designed for electrical insulation applications where dielectric performance is critical. Without specified composition details, this material probably represents a research or proprietary formulation optimized for high dielectric constant performance—potentially a filled polymer, fluoropolymer variant, or engineered resin system used where electrical insulation combined with compact device geometries is essential.

high-voltage electrical insulationcapacitor dielectricsprinted circuit boardspower electronics packagingsignal integrity shieldingmicroelectronics substrates

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Dielectric Constant (Relative Permittivity)(εr)	3.885 range 3.500–4.270median 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_239

Electrical Properties

Regulatory Screening

Environmental

Safety & Biocompatibility