Froschmarke refractory boiler putty is a potassium water glass based sealing putty. Guaranteed to be resistant to open flames and temperatures of up to above +1000 °C. Has good adhesion, is non-shrinking, completely seals off smoke and gas. For boilers, furnaces and stoves. With excellent adherence to metals and other materials, this product is used for sealing off flue-gases with simple application by trowel or spatula blade.

Applications :
Sealing Flue Gases off from boilers, stoves, ovens, etc.
Insulation repairs on boilers
Door openings in boilers and ovens can be sealed from outside
Inlet/Outlet elbows
Exhaust Ducts
Leakages in high temperature pipes (non-water)
Manhole Covers
Duct sealing in cladding applications
Repairs to thermal insulation and for patch work in insulation jobs subjected to high temp.