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Drilling Fluids & Additives
ADDITIVES / COAGULANTS
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TSG INITIAL®
TSG INITIAL® is a tail seal grease for shielded TBMs. It is a viscous material that acts as a barrier to prevent the ingress of water, soil and other contaminants. It is specifically formulated as an “initial fill” to resist washout from high water and ground pressures and not break down under high mechanical pressures, and adheres to all surfaces.
“First fill” tail sealant in tunnel excavation
Efficiently seals gap between concrete segments and shield
Ensures protection for lifetime of the brushes.
“First fill” tail sealant in tunnel excavation
Efficiently seals gap between concrete segments and shield
Ensures protection for lifetime of the brushes.
“First fill” tail sealant in tunnel excavation
Efficiently seals gap between concrete segments and shield
Ensures protection for lifetime of the brushes.
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Product support & technical enquiries
We are ready to assist you with dedicated product support or any technical enquiries.