polymer_dielectric_constant_291
polymerThis is a polymer material engineered or formulated to achieve a dielectric constant around 2.91, placing it in the moderate-permittivity range suitable for electrical insulation and signal transmission applications. The specific polymer base composition is not detailed in this record, but such materials are typically engineered thermoplastics or thermosets (polyimides, epoxies, polystyrenes, or fluoropolymers) modified or selected for controlled electromagnetic properties. These dielectric polymers are widely used in electronics, telecommunications, and power distribution where balancing electrical insulation performance, processability, and cost is critical.
electrical insulationPCB laminates and substratescable dielectricscapacitor filmshigh-frequency connectorselectromagnetic shielding
Compliance & Regulations
?UL 94?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Dielectric Constant (Relative Permittivity)(εr) | — median 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.