Adhesion Primer

An adhesion primer is a product category designed to enhance bonding between adhesives, sealants, paints, or coatings and challenging or low-porosity substrates such as metals, plastics, glass, smooth concrete, or painted surfaces. Widely used in industrial manufacturing, construction, automotive, and maintenance applications, it prepares and activates surfaces prior to bonding or coating, ensuring long-lasting performance in applications like industrial assembly, sealing, surface coating, and renovation work.

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SIKA® Aktivator 205

Sika

SIKA® Aktivator 205 is a ready-to-use solvent-based adhesion promoter designed to enhance the bonding performance of Sika adhesives and sealants on a wide range of substrates such as glass, painted metals, plastics, and selected composites. Commonly used in industrial manufacturing, automotive, transportation, and construction applications, it cleans and activates surfaces prior to bonding, ensuring strong and long-lasting adhesion for tasks like windshield bonding, body panel assembly, and industrial component bonding.