... part,acetoxy type,room temperature curing,low modulus silicone sealant.2.Easy to use,curing quickly, have a excellent ageing ... has some corrosivity since it is acetoxy type silicone sealant,don't use it bonding on concrete ,porocity ... not let the children to touch the curing silicone, don't put the sealant at children's reach. Storage period ... of th vaidity yourself. LG-916 Quick-curing Silicone Sealant