polymer_dielectric_constant_265

polymer

This is a high-dielectric-constant polymer material, likely a filled or engineered polymer composite designed to achieve elevated relative permittivity compared to unfilled base polymers. Such materials are typically produced by incorporating high-k ceramic fillers (such as barium titanate, alumina, or similar ferroelectric phases) into a polymer matrix to create composite dielectrics with improved electrical storage and insulation properties. These polymers are used in applications requiring compact capacitive energy storage, high-voltage insulation, and electronic packaging where space constraints demand higher capacitance density than conventional polymers offer.

capacitive energy storage deviceshigh-voltage insulationmicroelectronics packaging and substratespower electronics modulesflexible dielectric filmssensor and actuator systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Dielectric Constant (Relative Permittivity)(εr)	4.175 range 3.940–4.410median 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_265

Electrical Properties

Regulatory Screening

Environmental

Safety & Biocompatibility