This product is a sealing grease specially designed for shield machines, effectively sealing the gap between the shield casing and concrete segments to prevent soil, water, and synchronized grouting slurry from entering the shield machine. It can effectively resist high water pressure and geological pressure, possesses good pumpability and adhesion to any surface, and has no adverse environmental impact.

Technical Parameters:

Form: Homogeneous paste

Color: Beige

Odor: Slight

Density: 1500±20

Consistency: 225±10

Water tightness test: 35bar

Water wash loss test: <5%

Volatility test: <2%

Flash point: >180°C

Thermal decomposition: >180°C

Ash content: >50%

Insolubles: >50%