polymer_dielectric_constant_288

polymer

This is a polymer material characterized by a dielectric constant of approximately 2.88, placing it in the moderate-permittivity polymer category. Polymers in this dielectric range are valued in electrical and electronic applications where controlled permittivity is required for signal integrity, capacitance tuning, or insulation without excessive polarization losses.

PCB substrates and laminateshigh-frequency circuit boardselectrical insulationcapacitor dielectricsRF/microwave componentscable sheathing

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Dielectric Constant (Relative Permittivity)(εr)	4.480 range 4.030–4.930median 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_288

Electrical Properties

Regulatory Screening

Environmental

Safety & Biocompatibility