Web Catalogue update October 2019

CONSTRUCTION FLEX-SEALANT 05 4217 NZ pub. 01/18© Wurth Construction Flex-Sealant is a one part, moisture curing, elastic joint sealant based on polyurethane. It is suitable for indoor and outdoor applications. Uses Wurth Construction Flex-Sealant is suitable for use as a general purpose joint sealant in construction applications, such as movement and isolation joints around windows and doors, facades, claddings etc. in concrete, brick, wood, metal and PVC sections and structures. Key Applications • Sealing around window and door frames. • Joints in precast concrete climate. • Joints in general building industry. • Movements capability +/- 25% of average joint width at time of sealing. • One component, ready to use. • Weather resistant, excellent resistance to ageing. • Non corrosive on metal surfaces. • Optimum workability. • High tear resistance. • Can be overpainted/sanded. • Adheres to a broad range of substrate materials. • Silicone free. Note: • Colour deviations might occur upon the exposure of the product to chemicals, heat and UV-radiation. • Do not use Construction Flex-Sealant to seal swimming pools. Description Art. No. Pack Qty. Construction Flex-Sealant 600ml Sausage - Grey 0890 110 182 1/20 Construction Flex-Sealant 600ml Sausage - Black 0890 110 183 Technical Data: Chemical 1-C polyurethane Cure mechanism Moisture-curing Cure mechanism Moisture-curing Density (uncured) (DIN 534793) 1.30 kg/l approx. Application temperature 5 - 35 °C Sag flow (DIN EN ISO 7390) 0mm, very good Skinning time1 90-120 min Curing speed1 4 mm/24 hours approx. Shore A hardness (DIN 53505, 23°C / 50% r.h. after 28 days) 25 approx. Tear strength1 (DIN 53515) 7 N/mm 2 approx. E-modulus (DIN EN ISO 8340) <0.4N/mm 2 at 100% elongation Elongation at break (ISO 37) > 700 % Elastic recovery (DIN EN ISO 7389 B) > 85 % Service temperature -40 to 70 °C Shelf life (storage below 25°C in undamaged original sealed container) 10 months Approval / Standard ISO 11600 (Type F Class 25 HM/20 LM)