Epoxy (DGEBA/DDS Aerospace Grade)

Verifiedpolymer

DGEBA/DDS is a high-performance aerospace-grade epoxy thermoset formed by reacting diglycidyl ether of bisphenol-A (DGEBA) with diaminodiphenyl sulfone (DDS) hardener, delivering superior thermal stability and mechanical strength compared to standard epoxy formulations. This system is the workhorse matrix resin in primary structural composites for commercial aircraft, military platforms, and space vehicles, prized for its ability to maintain performance at elevated service temperatures while offering excellent adhesion to carbon and glass fibers. Engineers select DGEBA/DDS over faster-curing or lower-cost alternatives when thermal durability, damage tolerance, and long-term structural reliability under sustained loads are mission-critical.

aircraft fuselage and wingsspacecraft structural compositesmilitary aerospace structureshigh-temperature adhesivesjet engine nacelle componentswind turbine blade matrix resin

Compliance & Regulations

?UL 94?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Ultimate Tensile Strength(σUTS)
ksi
Young's Modulus(E)
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Glass Transition Temperature(Tg)
°F
Thermal Conductivity(k)
BTU/(hr·ft·°F)
Coefficient of Thermal Expansion(α (CTE))
µin/in·°F
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.