The TRA-BOND 789-4 is a one-part adhesive sold in out syringes. This package allows you, the customer, the freedom to use small quantities on an as needed basis or to use this product in mass production. This epoxy has the unique characteristic of a 6 month working life, allowing a one part material to be stored at room temperature for an extended period of time.
The TRA-BOND 789-4 develops strong, durable, high impact bonds with heat. The TRA-BOND 789-4 readily bonds to itself, and to metals, silica, steatite, alumina, sapphire, and other ceramics, along with glass, plastics, and many other materials. This material is an excellent match to a wide range of materials because of its wide temperature range and compatible coefficient of thermal expansion. The TRA-BOND 789-4 also provides excellent resistance to a wide range of solvents.