TMT
TMT is an economical driving grade tai| sealant for shielded tunnel boring machines (TBM). TMT can be pumped into tail sealing chamber to prevent ingress of water, soils and annulus grout/mortar grout back into the TBM invert.
keyword： Shield consumables, mine geological filling and reinforcement materials
Classification:
Product Details
DESCRIPTION
TMT is an economical driving grade tai| sealant for shielded tunnel boring machines (TBM). TMT can be pumped into tail sealing chamber to prevent ingress of water, soils and annulus grout/mortar grout back into the TBM invert.
Technical Data
| Items | Testing | Performance |
| Aspect | Cream | |
| Colour | Smoky gray or white | |
| Density | ASTM D 1289 | 1.30±0.05(g/cm3) |
| Penetration | ASTM D 217 | 190-250(1/10mm) |
| Water pressure test | Matsumura | Pass at 35 bar |
| Pumpability | NF T60-139 | 8-45(g/min) |
| Flammability | Self-extinguishing | |
| Green Initiative | Biodegradable |
KEY BENEFITS
• Excellent resistance to water;
• Excellent adhesion properties against metal surface;
• Excellent resistance to water;
• Excellent pumpability with controlled consumption rates;
• Anti-washout and stable with fiber in cohesion;
• Self-extinguishing, not easy to ignite, less flowable and droppable under heating which to prevent fire risk when replace of tail brush.
• Biodegradable and safety
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