Code: 13300310-39 WEICON Flex 310 PU adhesive and sealant is permanently elastic, strong, paintable, resistant to weathering, UV rays, fresh water and salt water. It does not contain silicone. Flex 310 PU is an elastic adhesive and sealant on a polyurethane basis (PUR) for adhesion and sealing of many materials such as metals, plastics, ceramics, wood, glass and stone. WEICON Flex 310 PU is used in tank and apparatus engineering, vehicle, container and vehicle It is used in construction, ventilation and air conditioning systems, in the energy and electrical industry and in all applications where silicone and silicone-containing products are not suitable.