polymer_dielectric_constant_274

polymer

This is a polymer-based dielectric material, likely an engineering plastic or composite designed for electrical insulation applications where controlled dielectric properties are critical. The material belongs to a family of high-performance polymers engineered for capacitive, insulating, or electromagnetic shielding roles in electronics and power systems. Its selection over alternatives would be driven by specific dielectric constant requirements, processing compatibility, and thermal or mechanical performance needs in demanding electrical environments.

electrical insulation layerscapacitor dielectricsPCB substratespower distribution equipmentelectromagnetic shieldinghigh-frequency 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)	4.045 range 3.720–4.370median 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_274

Electrical Properties

Regulatory Screening

Environmental

Safety & Biocompatibility