Foster Adhesive Sealant is a two-component, high strength thermosetting urethane adhesive containing no flammable solvents. It is designed to bond various types of low- temperature insulation to themselves and to metal and masonry substrates. After curing, it forms a strong, yet flexible bond capable of withstanding thermal shock and mechanical impact. Operating temperature, on urethane foam -157°C to 93°C, on cellular glass -73°C to 93°C.