MasterRoc® TSG 870
Fire Resistant First Fill Tail Sealant for Shielded Tunnel Boring Machine (TBM)
How does MasterRoc TSG 870 work?
MasterRoc TSG 870 is a
fire-resistant first-fill tail
sealant that effectively
seals the gap between the
shield tail and the concrete
segments to prevent the
ingress of water, grout, and
soil. MasterRoc TSG 870
sealant is formulated as a
"first fill" product to resist
high water and ground
pressures. It has excellent
adhesion to all types of
surfaces.
Recommended Use:
What are the unique features of MasterRock TSG 870?
- Fire resistant
- Excellent sealing properties
- Excellent pumping properties
- Excellent adhesion to metal or concrete surfaces
- Very high washout resistance
- Non-miscible with annulus grout
What are the benefits of MasterRock TSG 870?
- Prevents the ingress of soil, water or grout into shielded TBM
- Does not propagate flames when exposed to sparks or flames
Related Literature
MasterRoc TSG 870
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MasterRoc TSG 870
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MasterRoc TSG 870
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MasterRoc TSG 870
pdf
(326.25 Kb)