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Sika® Stabilizer-2031 TBM

Excluder grease for TBM main bearing

Sika® Stabilizer-2031 TBM is a grease based on synthetic oil used to protect the main bearing of TBM. The Product resists high water and ground pressures. It has very good lubricating and pumping properties, and adheres very well to all surfaces.

  • Extrusion abilities designed to match TBM manufacturers' requirements
  • Effective lubrication under heavy loads
  • Proper adhesion to any metal
  • Reduces dust formation
  • Temperature stability providing pumping and lubricating properties, especially at very low or very high temperatures
  • Particularly effective with low rpm
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Usage

Sika® Stabilizer-2031 TBM is used for:
  • Effective protection of the main bearing gaskets. It prevents ingress of soil, water or dust into the main bearing sealing.
 

Advantages

  • Extrusion abilities designed to match TBM manufacturers' requirements
  • Effective lubrication under heavy loads
  • Proper adhesion to any metal
  • Reduces dust formation
  • Temperature stability providing pumping and lubricating properties, especially at very low or very high temperatures
  • Particularly effective with low rpm

Packaging

Drum

230 kg for press plate pumps

Colour

Homogeneous fibrous paste, black

Product Details

Product Information

Composition

Mixture of synthetic oil, additives and lubricants

Shelf life

12 months from date of production

Storage conditions

The Product must be stored in original, unopened and undamaged sealed packaging in dry conditions at temperatures between +5 °C and +50 °C. Always refer to the packaging.

Refer to the current Safety Data Sheet for information on safe handling and storage.

Density

(1.200 ± 0.050) kg/l

(ISO 758)

Flash point

> +190 °C

(ASTM D92)

Consistency

Tested at +25 °C

260 ± 10

 
System information

Compatibility

Compatible with Sika® admixtures and other Sika® products.

Contact Sika Technical Services for additional information.
Technical Information

Specific advice

Pumpable properties

40–50 gr/min (after US steel Lt 37, at 10 bar and +25 °C)

Biodegradability

> 60 % after 22 days

Volatility

≤ 2 %

Water washout

< 6 %

Application

Consumption

Consumption

The consumption of the Product depends on the following parameters:

  • TBM design such as sealing gap

  • Operational parameters during tunneling such as cutterhead speed and TBM penetration rate

Contact Sika Technical Services for additional information.
Application steps

APPLICATION

Pump the Product by using the main bearing grease pumping system in TBM.

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