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Elco Greases for TBM-ELCO STP 401A Shield Polymer

  • Elco Greases for TBM-ELCO STP 401A Shield Polymer
Elco Greases for TBM-ELCO STP 401A Shield Polymer
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Introduction

It’s long-chain molecule organic compounds, which can be used individually or with bentonite and foam. When it’s mixed with muck, the long-chain molecule will form a polymer film in the surface of muck, and then the pellets get together to form the network to prevent leak, improve the muck workability.

 

Specification

Appreance

Colorless transparent viscous liquid

Viscosity (25°C mpa.s)

15000

PH1% aqueous solution)

3-7

Solid content

7

 

Function and Features

Ø        Its aqueous solution can be poured in to sands, resulting crosslinked reaction in the layer and forming gel systems, which can seal the water and reduce the permeability of high-water-cut zones, preventing the water spurt.

Ø         Its dilute solution also can be used in clay soil which can form tenacious polymer film in the musk surface with good lubricity, so that it can prevent the soil incrusted and make the clay soil to be a plastic flow to decrease the wear of tool and belt.

 

Application

Please dilut it in the propotion of 25 in the sand, and the injection rate is 1020; dilut it in the propotion of 0.31 in the clay soil, and the injection rate is 2540.

 

Notice

Do not mix with other impurity; it would be stratified after long-time store, please shake it before using. The term of validity is 2 years.

 


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