MasterRoc TSG 800

MasterRoc TSG 800

Fire Resistant Tail Sealant for Shielded Tunnel Boring Machines (TBM)

MasterRoc TSG 800 description:

MasterRoc TSG 800 is a fireresistant tail shield sealant that effectively seals the gap between the tail shield and the concrete segments to prevent the ingress of water, soil, or grout. It resists water and ground pressures and will not break down under high mechanical pressures. MasterRoc TSG 800 sealant has excellent pumping properties and will adhere to most metal or concrete surfaces.

Recommended uses:

• Tunneling with shielded TBM equipped with a tail seal brush system.

What are the unique features of MasterRoc TSG 800?

• Excellent pumping properties

• Excellent sealing properties

• Excellent adhesion to metal or concrete surfaces

• Fire resistant

• High washout resistance

• Fully compatible with gaskets, metals, and concrete

• Non-miscible with annulus grout

What are the benefits of MasterRoc TSG 800?

• Does not propagate flames when exposed to sparks or flames

• Prevents the ingress of soil, water or grout into shielded TBM