BDC Poland
BDC Poland
BDC Poland
BDC Poland
BDC Poland
BDC Poland
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Bentonite CSK

Use

For the production of a supporting slurry to be used during the excavation and installation of diaphragm walls, the two-phase system. For optimal efficiency the mixing water of the suspension should have the following properties:
Conductivity:   ≤ 1000 µS/cm
pH:   4,5 – 9,0

Description

The basis for this bentonite quality is a specially selected, activated sodium bentonite. Bentonite CSK has been developed for use as a high-yield diaphragm wall bentonite.

Advantages

  • Good trench stabilising properties
  • Allows easy handling in the desilting installation, therefore high yield
  • Outstanding price - quality ratio
  • Minimum effect on excavation speed

Typical values

Parameter Method Typical Value
Dry sieve analysis through 150 µm Draft NEN 33976 99 % m/m
Wet sieve analysis 75 µ API Spec 13A Sect.4 2,0 %
Moisture content NEN 18121 10.9 % m/m

Chemical and physical properties

Composition High-quality sodium activated bentonit
Colour Beige
Form Soft powder

Properties of the suspension

Bentonite CSK mixed with distilled water in various concentrations.

Parameter Method 30 kg/m3 40 kg/m3 50 kg/m3 60 kg/m3
Liquid limit ball number KugelharfengerätDIN 4126 1 1 2 4
Density Mud balance 1,02 g/ml 1,03 g/ml 1,03 g/ml 1,04 g/ml
Filtrate water loss DIN 4127 14,5 ml 11,0 ml 9,0 ml 8,0 ml
Marsh Funnel API API 13B Section 2
(1 litre outflow)
31 s 37 s 44 s 51 s

Packaging

  • 1000 kg packed in 25 kg bags on a pallet with shrink film
  • bulk
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design & development

Interactive Agency - Poland, Cracow - Ivision.pl