Bentonite for Pipe Jacking
Technical standards of Bentonite for Pipe Jacking
Refer to GB/T5005-2010 <Specification for Drilling Fluid Materials >and OCMA standards.
Item | Texinyang Bentonite Index | OCMA Standards |
Viscosity600r/min | ≥50 | ≥30 |
Yield value/plastic viscosity | ≤3 | ≤3 |
filtration loss/cm3 | ≤12 | ≤16 |
75μm screen remaining/%(m/m) | ≤2.5 | ≤2.5 |
Moisture/% (m/m) | ≤11 | ≤13 |
Product features: with good lubricity ,cohesion,thickening and gelling.well wall protection and seepage prevention.
Product application:suitable for pipe jacking, directional crossing, trenchless and other engineering projects.