polymer_dielectric_constant_209

polymer

This is a polymer-based dielectric material identified by its high dielectric constant value (209), indicating exceptional electrical insulation and charge-storage capability. The specific composition is not detailed in the available data, but materials in this class are typically high-permittivity polymers, potentially including polar polymers, polymer composites with ceramic fillers, or specialty engineering plastics designed for electrical applications. These materials are widely employed in capacitors, high-voltage insulation systems, and energy-storage devices where maximizing capacitance in a compact form factor is critical; they offer advantages over traditional ceramics in mechanical flexibility, ease of processing, and impact resistance, making them preferred for applications requiring both electrical performance and durability.

capacitor dielectricshigh-voltage insulationenergy storage deviceselectrical connectorspower electronics packagingflexible printed circuits

Compliance & Regulations

?UL 94?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Dielectric Constant (Relative Permittivity)(εr)
—
median of 2 measurements
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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.