Tuffbond ® 305 is a modified epoxy adhesive that provides very fast curing at room temperature. Tuffbond ® 305 exhibits very good moisture, chemical and heat resistance. This very fast curing epoxy adhesive is specially formulated for fast inline mounting of speakers. Tuffbond ® 305 can also be used to protect metals, wood, ceramics, etc. Recommended for bonding and can be used for the storage and encapsulation of electrical and electronic components.