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Epoxy Systems for Automotive Structural Components

Our EPIKOTE™ 06170 fast-cure epoxy system enables you to mass-produce lightweight carbon fiber-reinforced epoxy structural body parts in cycle times as short as one minute. Features include:

  • Developed for industrial scale RTM/LCM processing
  • Low viscosity
  • Very fast cure
  • Easy demolding with HELOXY™ Additive TRAC 06805 release agent
  • Suitable for chassis, semi-structural parts and body exterior
  • Up to 70% weight savings compared with steel

We also offer a specialty epoxy resin system, EPIKOTE Resin TRAC 06605/EPIKURE™ Curing Agent TRAC 06608, for styrene-free sheet molding compound (SMC) manufacturing of structural and semi-structural parts. Hexion’s SMC epoxy system, when combined with glass and carbon fibers, results in parts with superior mechanical properties to those made with standard unsaturated polyester (UP) or vinyl ester (VE) SMC resin systems.

Structural Parts

EPIKOTETM Resin SystemsSuitabilityCuring Conditions
Mass Production   Class A Finish   Time[min]Temp[oC]Glass Transition
Temp [°C] (DSC Midpoint)
Process Typical Applications 
EP TRAC 06150
EK TRAC 06150
HA TRAC 06805
 
 
 
 
 
 
 
 
 
 
5-10 min110oC - 120oC110oC - 120oC RTM LCMFrame parts, Chassis parts, Floor panels, Firewalls, ...
Remarks:Very short cycle time, long resin infection window, excellent thermal and mechanical properties. This system is preferably combined with internal Mold Release HELOXY Additive TRAC 06805.
EP TRAC 06150
EK TRAC 06165
HA TRAC 06805
 
 
 
 
 
 
 
 
 
 
90sec - 3min115oC - 130oC110oC - 120oC RTM LCMFrame parts, Chassis parts, Floor panels, Firewalls, ...
Remarks:Very short cycle time, long resin injection window, excellent thermal and mechanical properties. This system is preferably combined with internal Mold Release HELOXY Additive TRAC 06805.
EP TRAC 06170
EK TRAC 06170
HA TRAC 06805
 
 
 
 
 
 
 
 
 
 
45sec - 3min115oC - 145oC120oC - 135oC RTM LCMFrame parts, Chassis parts, Floor panels, Firewalls, ...
Remarks:Very short cycle time, long resin injection window, excellent thermal and mechanical properties. This system is preferably combined with internal Mold Release HELOXY Additive TRAC 06805.
EP TRAC 06605
EK TRAC 06608
HA TRAC 06805
 
 
 
 
 
 
 
 
 
 
3 min–5 min140oC - 150oC115oC -125oC (DMA Peak)SMCSeat structure, Floor panels, Firewalls, hood inners, …
Remarks:Low viscosity Styrene-monomer free SMC resin with excellent impregnation of Carbon and Glass fibers. Short cycle time and good mechanical properties. This system is preferably combined with Internal Mold Release Additive Heloxy Additive TRAC 06805
EP TRAC 06605
EK TRAC 06608
HA TRAC 06805
 
 
 
 
 
 
 
 
 
 
3 min–5 min140oC - 150oC115oC -125oC (DMA Peak)SMCSeat structure, Floor panels, Firewalls, hood inners, …
Remarks: Higher Tg Styrene-monomer free SMC resin with excellent impregnation of Carbon and Glass fibers. Short cycle time, good surface quality and mechanical properties. This system is preferably combined with Internal Mold Release Additive Heloxy Additive TRAC 06805