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

Evonik Epoxy Curing Agent UR-7/10

Evonik’s Epoxy Curing Agent UR-7/10 is a high-performance aliphatic amine-based hardener from the Vestamin® UR series. It delivers rapid cure at ambient temperatures, excellent adhesion to diverse substrates, low viscosity for easy processing, and superior chemical resistance. Ideal for industrial coatings, composites, and adhesive applications requiring toughness and durability.
  • evonik epoxy curing agent ur 7 10_b358c9f1
  • evonik epoxy curing agent ur 7 10_b358c9f1

Features Of Evonik Epoxy Curing Agent UR-7/10

  1. High reactivity with standard bisphenol-A and bisphenol-F epoxy resins.

  2. Enables fast ambient-cure and low-energy thermal-cure profiles.

  3. Delivers excellent chemical resistance and mechanical strength in cured networks.

  4. Low viscosity for easy handling, metering, and homogeneous mixing.

  5. Compatible with common epoxy formulation additives including fillers, pigments, and flexibilizers.

Typical Applications Of Evonik Epoxy Curing Agent UR-7/10

  1. Structural adhesives for automotive and aerospace bonding.

  2. Electrical encapsulation and potting compounds for power electronics.

  3. High-performance coatings for industrial flooring and corrosion protection.

  4. Composite matrix resins for wind blade and pultrusion applications.

  5. Repair mortars and grouts requiring rapid strength development.

Specifications Of Evonik Epoxy Curing Agent UR-7/10

Chemical TypeAliphatic polyamine adduct
Product FormLiquid
AppearancePale yellow to amber clear liquid
Viscosity (25 °C)300–600 mPa·s
Density (20 °C)0.94–0.98 g/cm³
Amine Value220–250 mg KOH/g
Reactivity ProfileFast ambient cure; full cure achievable at 25 °C in 24–48 h or at 60 °C in ≤4 h
Primary ApplicationsAdhesives, coatings, composites, encapsulants


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