Drucsperse 1 – 45

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Description

Drucsperse 1 – 45 is a popular additive for ground treatment and dust stopping in mines. A dispersion agent for cohesive land, Drucsperse 1 – 45 is a high-performance liquid. It is formulated with special poly-carboxylates suited for the treatment of clay dispersion usually in the presence of strongly cohesive materials such as Benton slurries, kaolin, etc.

One of the key characteristics of Drucsperse 1 – 45 is that it is not affected by hardness and thermal excursions.

It should ideally be stored at temperatures ranging from 5 to 50° C.

Applications:

  • Dispersion /breaking up of highly cohesive clayey land with a consequent decrease in viscosity, during TBM excavation
  • Dispersion, breaking up and stabilisation of fine compact and cohesive land in general (bentonite, kaolin, ).
  • Facilitate the resumption of excavations with milling cutters after long
TECHNICAL PROPERTIES

(at + 20° C)

AppearanceTransparent, liquid with a slightly straw yellow colour
Density1.26 ± 0.020 kg/l
PH7.5 ± 0.2
Dry Residue42 ± 2%
Volatility300 ± 50 mPas (Brookfield method)
Solubility in WaterTotal

Dosing: 

Added only to water: 0.5 – 1.5% of the volume of the excavated land Added to foaming solution: 0.1 – 0.5% of the volume of the excavated land Bentonitic Slurries: 0.05 – 1% of the volume

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