- Low viscosity
- Strong adhesion on vitrified surfaces and non-porous substrates
- Excellent wetting, impregnation and painting over time
Flex PU Primer is a low viscosity, polyurethane based primer suitable for almost any surface. Flex PU Primer is characterized by a very low viscosity and excellent impregnation properties combined with a relatively slow curing speed resulting in high penetration and excellent adhesion on both porous and non-porous substrates. The hardened film shows good mechanical properties with elongation >100% and tensile strength >40 N/mm2.
Flex PU Primer is indicated as a primer for:
- Concrete structures
- Bituminous sheath
- Ceramic Tiles
- Non-porous substrates such as glass, marble and metals.
Flex PU Primer can be used as a concrete sealant.
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