Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Air Products Sunmide 305-70X Epoxy Curing Agent

AirProductsSunmide305-70XEpoxyCuringAgentisahigh-performancealiphaticpolyaminecuringagentfromtheSunmide®series,designedforfast-cure,low-viscosityepoxysystems.Itoffersexcellentchemicalresistance,flexibility,andadhesionontometalsandcomposites,withreducedblushingandlowodor—idealforcoatings,adhesives,andcompositeapplicationsrequiringrapidturnaroundandrobustdurability.
  • air products sunmide 305 70x epoxy curing agent_20d085a4
  • air products sunmide 305 70x epoxy curing agent_20d085a4

Features Of Air Products Sunmide 305-70X Epoxy Curing Agent

  1. Low-viscosity, solvent-free amine adduct formulation enabling excellent flow and wetting on diverse substrates.

  2. Extended pot life at ambient temperature with rapid cure development upon mild thermal activation (60–80°C).

  3. Exceptional chemical resistance to hydrocarbons, solvents, and alkaline environments in cured epoxy systems.

  4. Low exotherm profile suitable for thick-section casting and large-area coating applications without cracking or blistering.

  5. Meets stringent VOC regulations and contains no intentionally added heavy metals or restricted phthalates.

Typical Applications Of Air Products Sunmide 305-70X Epoxy Curing Agent

  1. High-performance industrial flooring and concrete protection systems.

  2. Structural adhesive formulations for aerospace and automotive composites bonding.

  3. Electrical encapsulation and potting compounds requiring thermal stability and dielectric integrity.

  4. Marine and offshore protective coatings exposed to saltwater immersion and UV weathering.

  5. Wind turbine blade bonding and repair matrices demanding fatigue resistance and low moisture uptake.

Specifications Of Air Products Sunmide 305-70X Epoxy Curing Agent

Chemical TypeAmine adduct (polyoxyalkylene-modified aliphatic amine)
Product FormLiquid
AppearanceClear, pale yellow to amber viscous liquid
Primary ApplicationsEpoxy resin curing for coatings, adhesives, and composites
Key FeaturesLow viscosity, extended working time, thermal latency, low odor
BenefitsImproved processability, reduced internal stress, enhanced interfacial adhesion
Storage Stability12 months minimum at 25°C in sealed original container
Handling PrecautionsUse in well-ventilated areas; wear nitrile gloves and safety goggles


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