Trolnitrate bentonite clay powder bentonite for drilling

Bentonite is the main material of the preparation of slurry. It has the effection of protecting sidewall, upward returing cuttings, cooling and lubricating the bits. It mainly use in sandy and rock conditions, can offer great help in HDD machine drilling process.

SPECIFICATIONS FOR BENTONITE
Standard		Results
Viscometer dial reading at 600r/min ≥		55
Yield point/Plastic Viscosity Ratio ≤		1.3
Filtrate volume /ml ≤		15
Residue of diameter 75um% ≥		≤4
Moisture content % ≤		13
Colloid Value ml/15g ≥		450
pH		9.5
Methylene Blue ≥		35
FreeSwell ≥		24(ml/2g)

 

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