Tool Box Original is a high performance multi-purpose adhesive and sealant in one based on MS polymer technology. Tool Box Original cures to form a high strength, permanently flexible waterproof bond adhering to a wide variety of materials. It performs the function of both a high strength adhesive as well as a highly durable joint sealant. Tool Box Original provides a non-hazardous alternative to traditional polyurethane elastomeric adhesive/sealants and is a true tool box in a cartridge.
Refer to H.B Fuller Website for SDS