Primer 520 is a premium-quality, exceptionally durable adhesion primer for sealants and adhesives, specially developed for porous substrates and materials. It cures through atmospheric moisture to form a durable membrane.
Applications:
- Specially developed as a durable adhesion promoter for porous substrates such as masonry and plasterwork, cellular and aerated concrete, natural stone, calcium silicate brick, untreated wood, gypsum blocks and other absorbent materials.
- Suitable as a moisture- and waterproof primer to provide durable protection against moisture and water exposure, helping to ensure a strong and permanent bond.
- Seals porous substrates completely to prevent absorption from the substrate.
- Suitable for use with sealants and/or adhesives based on silicone, hybrid and MS Polymers and polyurethane.
Properties:
- Forms a highly durable, non-porous membrane against moisture and water exposure.
- Stops absorption from the substrate and ensures excellent adhesion.
- Binds difficult-to-remove dust particles on the bonding surface.
- Easy to apply using a brush and/or roller.
- Fast-drying, transparent, ready-to-use one-component primer.
- Excellent resistance to UV, weather, water, moisture and ageing.
- Supplied in UN-approved packaging with a safety closure.
