WB Expansion Resin also patented for trenchless applications - Gas/Waterproof/Telecommunication for penetrations

WB Expansion Resin - System 308 Patent: BD10 2009 0610 82 / BD 10 2010 0492 30 Epoxy resin base is a gas- and water-tight 2-component epoxy resin (injection resin foam) of very high density, hardness, and compressive strength with built-in propellant for self-sustained, controlled volume expansion. For force-fitting sealing of penetrations and securing of pipe penetrations in new buildings, existing buildings, and renovations, as well as for filling or casting. House connections for electricity, gas, water, district heating, communication lines, air conditioning systems. Wall openings, penetrations in building walls. Penetrations or grooves in the aerospace industry, rail vehicles, automotive industry, mechanical engineering, shipbuilding, swimming pool construction, and the electrical/electronics sectors. In accordance with the binding DVGW standard G 459-1, G 459-1B, VP 601, DVGW EW 400-1, EW-400-2, EW-400-3, GW-325, GW-390, information sheet W 404, and DIN 18012, 18195, 18322, 18336, 18533, 1986, 1988, RSW 3.2.