Niger 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.

Product 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.