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

LAN-XESS COHEDUR A 200 Adhesion Promoter

LANXESS COHEDUR A 200 is a silane-based adhesion promoter from the COHEDUR® series, enhancing bond strength between organic polymers and inorganic substrates like glass, metals, or minerals. It improves durability, moisture resistance, and interfacial compatibility in sealants, adhesives, and coatings—ideal for automotive, construction, and composite applications.
  • lan xess cohedur a 200 adhesion promoter_fe41ae67
  • lan xess cohedur a 200 adhesion promoter_fe41ae67

Features Of LAN-XESS COHEDUR A 200 Adhesion Promoter

  1. Enhances interfacial adhesion between polar substrates (e.g., metals, glass, ceramics) and organic polymer matrices.

  2. Improves long-term durability of bonded joints under humid, thermal, and chemical stress conditions.

  3. Compatible with epoxy, polyurethane, silicone, and acrylic resin systems without compromising pot life.

  4. Low-viscosity liquid form enables easy incorporation and uniform dispersion in adhesive and coating formulations.

  5. Free of heavy metals and halogenated solvents, supporting sustainable manufacturing and regulatory compliance.

Typical Applications Of LAN-XESS COHEDUR A 200 Adhesion Promoter

  1. Aerospace structural adhesives for aluminum and composite bonding.

  2. Automotive under-hood sealants and gasketing compounds exposed to high temperature and oil contact.

  3. Electronics encapsulants requiring reliable dielectric integrity and substrate adhesion.

  4. Construction-grade bonding agents for façade systems and architectural glazing assemblies.

  5. Wind energy blade bonding primers for fiberglass-to-steel and core-to-skin interfaces.

Specifications Of LAN-XESS COHEDUR A 200 Adhesion Promoter

Chemical TypeOrganosilane-based adhesion promoter
Product FormClear, low-viscosity liquid
AppearanceColorless to pale yellow, transparent liquid
Primary ApplicationsAdhesive, sealant, and coating formulations for metal, glass, and composite substrates
Key FeaturesHydrolytically stable; dual-reactive functionality (silane + organofunctional group)
BenefitsReduces delamination risk; extends service life in aggressive environmental conditions
Storage ConditionsStore in original sealed container at 5–25 °C; protect from moisture and direct sunlight
Shelf Life12 months from date of manufacture when stored properly


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