polyesters

polymer

Polyesters are synthetic polymers characterized by ester linkages in their backbone, available in both thermoplastic and thermoset variants with diverse molecular architectures ranging from rigid engineering grades to flexible formulations. They are widely used in automotive components, electrical insulation, textiles, beverage containers, and composite reinforcement matrices, valued for their balance of stiffness, processability, chemical resistance, and cost-effectiveness compared to many competing engineering polymers. Their versatility stems from the ability to tailor properties through copolymerization, cross-linking, and fiber reinforcement, making them a default choice when moderate mechanical performance, dimensional stability, and production volume economics align.

automotive body panels and trimelectrical insulation and wire coatingbeverage bottles and food packagingfiber-reinforced composite matricestextile fibers and filminjection-molded structural components

Compliance & Regulations

?UL 94?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Elongation at Break(εf)
—
-——
Flexural Strength (MOR)(σf)
—
Pa——
Hardness (Vickers)(HV)
—
HV——
Ultimate Tensile Strength(σUTS)
—
Pa——
Young's Modulus(E)
—
Pa——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Glass Transition Temperature(Tg)
—
K——
Melting Point / Solidus(Tm)
—
K——
Maximum Service Temperature(Tmax)
—
K——
Thermal Conductivity(k)
—
W/(m·K)——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
—
eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Refractive Index(n)
—
-——
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.