BLD-688 is a kind of silane modified polyether sealant with medium and high modulus, onecomponent, neutral curing at room temperature. Compatible with most industrial paints, the surfacecan be painted after drying, does not affect the curing speed, It has excellent bonding properties tomost metals, PVC and polvester materials, and can be cured and positioned quickly withoutcontaminating the substrate. It takes into account the superior performance of polyurethane andsilicone sealant, does not contain solvent, does not contain silicone oil, does not contain NCO, andhas the advantages of safety, environmental protection and strong weather resistance. It is an idealsubstitute for polyurethane and silicone sealant.