BOSS® 334 Gun Foam is a one-component, self-expanding ready to use polyurethane foam, which contains HCFC- and CFC-free propellants which are not harmful to the ozone layer. The canister is provided with a thread so it can be used on a gun.
Soudafoam FR HY is a one-component, self-expanding, ready to use PU-foam, which contains HCFC and CFCfree propellants who are not harmful for the ozone layer. Soudafoam FR HY is a PU-foam with fire retardant characteristics according to the European standard EN 1366-4.