polybenzoxazine
polymerPolybenzoxazine is a high-performance thermosetting polymer synthesized from benzoxazine monomers, offering excellent thermal stability and dimensional retention at elevated temperatures. It is widely used in aerospace composites, automotive structural components, electronics packaging, and adhesive formulations where superior heat resistance and mechanical integrity are required without the brittleness common to many competing thermosets. Engineers select this material for applications demanding long-term performance in thermally demanding environments, particularly where low thermal conductivity and high rigidity are beneficial for thermal management or dimensional control.
aerospace composites and structural partshigh-temperature adhesives and resinselectronics encapsulation and substratesautomotive engine compartment componentsthermal insulation and heat-resistant coatingscomposite matrix resins
Compliance & Regulations
?UL 94?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Strength(σc) | — | ksi | — | — | |
Elongation at Break(εf) | — | - | — | — | |
Flexural Strength (MOR)(σf) | — | ksi | — | — | |
Hardness (Vickers)(HV) | — | HV | — | — | |
Ultimate Tensile Strength(σUTS) | — | ksi | — | — | |
Young's Modulus(E) | — | ksi | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Glass Transition Temperature(Tg) | — | °F | — | — | |
Melting Point / Solidus(Tm) | — | °F | — | — | |
Maximum Service Temperature(Tmax) | — | °F | — | — | |
Thermal Conductivity(k) | — | BTU/(hr·ft·°F) | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
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.