Grand Paris Express - Sèvres

Sodium bentonite conforms to API standards for mechanized tunnelling with SS and HS TBM

Synthetic polymer in liquid form for water based fluids to be employed in mechanised tunnelling and drilling Where to use Mapedrill M1 has a stabilising effect on mixed ground and/or very altered…

Liquid retarding admixture with plasticizing effect for cementitious-based injection systems

Accelerator for cement-based grouts