Elastic Adhesive Mastic. Newton HydroTank 309 Flexible Adhesive Mastic is a durable, fast-curing and elastic adhesive that bonds without primer to most construction materials, including aluminium, galvanized and stainless steel, zinc, copper, natural stone, concrete, brick and cement-based cover sheeting.ย
Key Benefitsย
- Rapid increase of internal strength.ย
- Excellent bonding on most building materials.ย
- Solvent and isocyanate free.ย
- Extremely strong.ย
- Permanently elastic.
- Does not cause any corrosion in metal joints.ย
- For interior and exterior use.ย
- UV and weather-resistant.ย
- Suitable for use with natural stone.ย
- Suitable for rooms with high humidity.ย
- Paintable with most water and solvent based paints.ย
- Can be painted wet on wet. After 48 hours, the surface must be cleaned first before it can be painted. Pre-testing is necessary. Alkyd paints require an extended drying time.
Typical Applicationsย
- For installing Newton waterbars to concrete and/or steel surfaces.
- Wall cladding elements and ceiling panels (interior).ย
- Sound isolation panels (mineral wool, wood-wool cement & plastic foams).ย
- Thermal isolation panels (PUR, PIR, PS).ย
- Casings and frames in building construction.ย
- Wooden and plastic laths, ornaments and frames.ย
- Doorsteps, window sills, skirting boards and cover plates.ย
- Complete construction elements (such as roofing and other elements) in frames.
Suitable Substrate & Materialsย
- Aluminiumย
- Galvanised steel.ย
- Stainless steel.ย
- Zinc. Copper.ย
- Natural stone.ย
- Concrete.ย
- Brick.ย
- Cement-based cover sheeting.ย
- HPL panels.ย
- Treated wood.
- Gypsum.ย
- Glass.ย
- Glazing.ย
- Various synthetic materials.



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