Honduras 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.

Product 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.