Multibond SMX50 is a high quality, fast curing, single component flexible adhesive and sealant with high adhesive strength. Perfect for internal & external applications. Based on SMX® Polymer Multibond SMX50 has a “Shore A” hardness of 40 ideal for trafficable joints and can accommodate movement of ± 20%. Multibond SMX50 has excellent UV resistance, elasticity and can be sanded and painted with most types of paint. Once cured forms a strong, flexible, waterproof seal and bonds to the widest range of substrates see below. Multibond SMX50 can be used for damp and wet surfaces.