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. Key Benefits Rapid increase of internal strength. Excellent bonding on most building materials. Solvent and isocyanate free. Extremely strong. Permanently elastic. Does not cause any corrosion in metal joints. For interior and exterior use. UV and weather-resistant. Suitable for use with natural stone. Suitable for rooms with high humidity. Paintable with most water and solvent based paints. 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 Applications For installing Newton waterbars to concrete and/or steel surfaces. Wall cladding elements and ceiling panels (interior). Sound isolation panels (mineral wool, wood-wool cement & plastic foams). Thermal isolation panels (PUR, PIR, PS). Casings and frames in building construction. Wooden and plastic laths, ornaments and frames. Doorsteps, window sills, skirting boards and cover plates. Complete construction elements (such as roofing and other elements) in frames. Suitable Substrate & Materials Aluminium Galvanised steel. Stainless steel. Zinc. Copper. Natural stone. Concrete. Brick. Cement-based cover sheeting. HPL panels. Treated wood. Gypsum. Glass. Glazing. Various synthetic materials.





