Natorseal TAW 2Q
Natorseal TAW 2 Q is a tail sealant for shielded tunnel boring machines. It effectively seals together with wire brushes the gap between the shield tail and the concrete segments to prevent the ingress of water or soil. It is formulated to resist high water and ground pressures, and has excellent pumping properties and adhesion to all surfaces.
Keywords:
Category:
TAW Shield Tail Sealing Grease
Description:
Product Description
Natorseal TAW 2 Q is a tail sealant for shielded tunnel boring machines. It effectively seals together with wire brushes the gap between the shield tail and the concrete
segments to prevent the ingress of water or soil. It is formulated to resist high water and ground pressures, and has excellent pumping properties and adhesion to all
surfaces.
Feature and Benefits
• Excellent sealing properties
• Excellent water and earth resistant
• Excellent anti-wear and anti-corrosion performance
• Entirely based on renewable or natural raw materials
• Excellent pumping properties, easily pumped over through the pipeline
• Excellent adhesion to any metal or concrete surfaces especially under water
Typical data
|
Items |
Typical Data |
Test Methods |
|
Appearance |
Fibrous Paste(white) |
Visual |
|
NLGI grade |
3 |
GB/T 269 |
|
Penetration,25℃, 0.1mm |
245 |
GB/T 269 |
|
Density（20℃) g/cm3 |
>1.25 |
GB/T 2540 |
|
Evaporation Loss,22h @100℃,% |
1.2 |
SH/T 0337 |
|
Water spray off（38℃) , % |
0.5 |
SH/T 0109 |
|
pump performance， 0.7MPa,g/s |
2.26 |
NATOR |
|
Sealing test（35bars ，25 ℃) |
No water |
MATSUMURA |
Application
Tail sealant for tunnel boring machines
Storage
Natorseal TAW 2 Q should be stored in original unopened container at 5-40℃ . Shelf life is expected to be 12 months minimum.
Package
Packaged in standard 60kg or 250kg steel drums. Other drum sizes and weights are available on request.
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