SIKA PRIMER-507 100ML - ADHESION PROMOTER PRIMER FOR POLYURETHANE SEALANTS
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Product Description
SIKA Primer-507 is a professional adhesion promoter specifically formulated to prepare glass surfaces (windscreens, backlights, side windows) and metallic or composite frames before applying polyurethane sealants for automotive glass bonding. This primer is a fundamental and mandatory step in the glass replacement process to ensure secure adhesion, structural resistance, and compliance with safety regulations.
Technical function - Adhesion promoter:
Primer-507 performs a critical chemical function in the glass bonding system:
Mechanism of action:
- Molecular bridge: Creates a chemical bond between glass and polyurethane sealant
- Surface activation: Chemically prepares surfaces for maximum adhesion
- Waterproofing: Protects against moisture that would compromise bonding
- Long-term stability: Ensures permanent hold resistant to vibrations and stress
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