Natorseal TAW 3Q
Natorseal TAW 3Q 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, flame retardant and has excellent pumping properties and adhesion to all surfaces.
Keywords:
Category:
TAW Shield Tail Sealing Grease
Description:
Product Description
Natorseal TAW 3Q 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, flame retardant and has excellent pumping properties and
adhesion to all surfaces.
Feature and Benefits
• Excellent sealing properties
• Excellent adhesion to all surfaces.
• Excellent anti-corrosion performance
• Biodegradable and environmental friendly
• Excellent pumping properties, easily pumped over through the pipeline
Typical data
|
Items |
Typical Data |
Test Methods |
|
Color |
Light Grey |
Visual |
|
Appearance |
Fibrous Paste |
Visual |
|
Unworked Penetration,25℃ , 0.1mm |
215 |
ASTM D217 |
|
Density（20℃) g/cm3 |
1.28 |
IP 530 |
|
Evaporation Loss,22h @100℃,% |
1 |
SH/T 0337 |
|
Water spray off（38℃) , % |
0.3 |
ASTM D4049 |
|
Water Sealing Test, 35bars @25℃ |
No Water |
MATSUMURA |
|
Flame retardancy |
Self-extinguishing |
ASTM D3801 Flame test |
Application
Natorseal TAW 3Q is tail sealant for tunnel boring machines. It is suitable for first filling.
Storage
Natorseal TAW 3Q should be stored in original unopened container at 5-40℃. Shelf life is expected to be 12 months minimum.
Package
Packaged in standard 250kg steel drums. Other drum sizes and weights are available on request.
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