Primer for absorbent substrates AT140 is a one-component primer. Designed for slightly moist, porous substrate to increase the adhesion of silicone, polyurethane and hybrid adhesive and sealants.

Technical data

• application with a cloth / felt
• drying time approx. 1 min
• storage period of 18 months
• optimal properties when used with hybrid adhesives and sealants
• optimal primer for concrete and other absorbent building surfaces
• packaging: 500 ml can