SIKA Sika Boom 102 Combi Expanding Polyurethane Foam - 500ml is composed of polyurethane and is used for sound or thermal insulation, for shimming, for fixing and for filling. It is applied in the gaps and fills the space. It can be used on several materials, with good adhesion. The advantage of this tube is that it can be used in two different ways. You can use both the extrusion nozzle provided and a compatible gun. A set of 6 tubes so you don't run out Advantages: A pack with 6 tubes 2 in 1 use, with the extrusion nozzle or a gun Good adhesion to different surfaces: concrete, cement mortar, fiber cement, terracotta, plaster, tile, wood (preliminary tests recommended) A foam to insulate, fix, wedge and fill The propellant is not harmful to the ozone layer Characteristics: Density: 20 + 5 kg / m3 approx. (freely expanding polymerized foam) Curing time: Final drying after 24 hours at + 23 C and 50 % RH. Time to Touch Dry: Approximately 18 to 26 minutes at +23C and 50% RH 3 x 500 ml aerosols of Sika Boom - XL GUN provides up to 20 liters of cured foam P/N 521224x3 Packaging: One pack of 3 SIKA Sika Boom 102 Combi Expanding Polyurethane Foams - 500mlDelivered in its original packagingRead instructions carefully before use