B A C K

HydroBloc PU 641

injection resin for waterproofing, soil stabilisation, tunnelling and mining

HydroBloc PU 641 fast setting injection resin for waterproofing, ground enhancement, soil stabilisation and strengthening in tunnelling and mining. A 10% volume increase pushes the resin additional further into the soil and rock structure. The cured product is a tough elastic polyurethane plastic with excellent adhesion properties and cut ability by a TBM. The difference between PU 641 and PU 641-T is the flowing ability. PU 641 is low viscous for excellent penetration.