... -part neutral-curing, low-modulus silicone sealant for construction applications, with a long shelf life and ... ApplicationHX-1200 is a high-performance sealant designed for sealing, bonding and mending tasks in glazing ... , APTK and neoprene.HX-1200 is not recommended for use on natural stone, such as marble, granite ... preparing specifications) Weatherability Silicone Sealant for Aluminum Composited Plate