HBW
HBW is a clay thickened lubricating grease for lips sealing system of TBM main bearing, which is based on mineral oil and polymers. The grease contains a selection of solids, fibers and graphite. It effectively protects the main bearing by preventing the ingress of soil, water or dust through the main bearing sealing.
keyword： Shield consumables, mine geological filling and reinforcement materials
Classification:
Product Details
DESCRIPTION
HBW is a clay thickened lubricating grease for lips sealing system of TBM main bearing, which is based on mineral oil and polymers. The grease contains a selection of solids, fibers and graphite. It effectively protects the main bearing by preventing the ingress of soil, water or dust through the main bearing sealing.
Technical Data
| Record HBW | ||
| Items | Testing | Performance |
| Aspect | Cream | |
| Colour | Black | |
| Density | ASTM D 1289 | 1.25±0.05（g/cm³） |
| Penetration | ASTM D 217 | 230-280（1/10mm） |
| Adhesion/ liquidity | JISA 5758 | >48（min） |
| Four-ball grinding test | 1 hour/40kg 1 hour/40kg | <0.9mm |
| Pumpability | NF T60-139 | 30-60（g/min） |
| Flammability | Self-extinguishing | |
| Green Initiative | Biodegradable | |
KEY BENEFITS
● 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;
● Biodegradable and safety.
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