Curing Agents
Peroxide initiators, amine hardeners, anhydride hardeners and accelerators for resin systems
Peroxide Initiators
15 products
1,3-Bis(tert-butylperoxyisopropyl)benzene
CAS 25155-25-3
Difunctional peroxide doubles radical yield per mole for efficient crosslinking
Acetylacetone Peroxide (TBCP, Post-Cure)
CAS 37187-22-7
Milder reactivity profile than MEKP for controlled cure
Benzoyl Peroxide Granule (75%, Wetted)
CAS 94-36-0
Water wetting reduces ignition and deflagration risk vs. dry BPO
Benzoyl Peroxide Paste (50% in Plasticizer)
CAS 94-36-0
Cobalt-free cure enables production of color-stable white laminates
Amine Curing Agents
20 products
2,4,6-Tris(dimethylaminomethyl)phenol (DMP-30)
CAS 90-72-2
Triple tertiary amine functionality for high catalytic activity
4,4'-Diaminodiphenylmethane (DDM/MDA)
CAS 101-77-9
High aromatic Tg (140–160°C) for structural and aerospace applications
4,4'-Diaminodiphenylsulfone (DDS)
CAS 80-08-0
Latent hardener — excellent out-time and prepreg shelf life
4,4'-Methylenebiscyclohexylamine (PACM)
CAS 1761-71-3
Near water-white color with exceptional UV stability for clear systems
Anhydride Curing Agents
8 products
Dodecenyl Succinic Anhydride (DDSA)
CAS 26544-38-7
Introduces toughness and flexibility to rigid anhydride-epoxy systems
Hexahydrophthalic Anhydride (HHPA)
CAS 85-42-7
Solid form for easy weighing and dry-mix applications
Maleic Anhydride (MA)
CAS 108-31-6
Essential crosslinking precursor for UPR and vinyl ester synthesis
Methylhexahydrophthalic Anhydride (MHHPA)
CAS 25550-51-0
Fully saturated ring structure for superior UV and color stability
Accelerators & Promoters
10 products
1-Methylimidazole (1-MI, Reactive Accelerator)
CAS 616-47-7
Immediate ambient-temperature activity (no latency)
2-Ethyl-4-Methylimidazole (EMI-24)
CAS 931-36-2
More reactive at lower temperatures than 2-MI for 80-120°C cure
2-Methylimidazole (2-MI)
CAS 693-98-1
Latent at ambient temperature — no cure activity until heated
Cobalt Naphthenate (6% Co)
CAS 61789-51-3
Alternative cobalt accelerator to octoate with similar activity
Latent Curing Agents
5 products
Adipic Dihydrazide (ADH)
CAS 1071-93-8
Excellent latency at ambient — weeks to months in epoxy dispersions
Dicyandiamide (DICY, Coarse Grade)
CAS 461-58-5
Cost-effective industrial grade for powder coatings and molding compounds
Dicyandiamide (DICY, Fine Grade)
CAS 461-58-5
Excellent latency — 3-12 months shelf life at ambient in epoxy systems
Sebacic Dihydrazide (SDH)
CAS 125-83-7
More flexible and tougher cured systems than ADH due to longer chain