MasterRoc TSG 6

Tail Sealant for Shielded Tunnel Boring Machines (TBM)

Material Description

MasterRoc® TSG 6 is a tail sealant for shielded tunnel boring machines. It effectively seals the gap between the shield and concrete segments to prevent the ingress of water, grout and soil. It is formulated to resist high water and ground pressures, and has excellent pumping properties and adhesion to all types of surfaces.

Areas of Application

Tunneling with shielded mechanized tunnel boring machines (TBMs) equipped with a tail seal brush system.

Characteristics and Benefits

Operational

• Excellent pumping properties and cohesion

• Compatible with gaskets, metals, and concrete

• Improved in packaging to allow easier recycling

Technical

• Fire-resistant, no propagation of flames when exposed to sparks or direct flames

• Excellent sealing properties

• Excellent adhesion to any metal or concrete surfaces

• Excellent pumping properties

• Non-miscible with annulus grout