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Drilling Fluid Additives
Enhance drilling efficiency & decrease costs
TGS DRIVE®
TSG DRIVE® is a tail seal grease for shielded TBMs. It protects the wire brushes and maintains a tight tail seal during tunnel excavation. It is a viscous material that acts as a barrier to water, mortar and soil. It is specifically formulated to resist washout from high water and ground pressures and adheres to all surfaces.
Primary Application
Tail sealant in tunnel excavation
Efficiently seals gap between concrete segments and shield
Properly fills interbrush chambers
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Excellent sealing properties
Excellent pumping properties - Uniform filling of the chambers.
Environmentally friendly - Biodegradable, no harmful pollution.
Excellent adhesion to all surfaces - Resistant to high water and ground pressure
Stable protective film - Prolonged life span of wire brushes.
Excellent sealing properties
Excellent pumping properties - Uniform filling of the chambers.
Environmentally friendly - Biodegradable, no harmful pollution.
Excellent adhesion to all surfaces - Resistant to high water and ground pressure
Stable protective film - Prolonged life span of wire brushes.
Excellent sealing properties
Excellent pumping properties - Uniform filling of the chambers.
Environmentally friendly - Biodegradable, no harmful pollution.
Excellent adhesion to all surfaces - Resistant to high water and ground pressure
Stable protective film - Prolonged life span of wire brushes.
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