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.