Description
Gel Aus 4 is a specialist Civil and Special Foundation drilling bentonite exhibiting a high yield, exceptional filtration control and excellent protection and stability to cement contamination. Gel Aus 4 is quick to hydrate in fresh water and can be used with other specialist polymers when required for additional performance in challenging ground conditions.
Physical Profile:
Aspect | Grey |
Water content % | 14 maximum |
Wet screen analysis 75µm% | 4 maximum retained |
Swelling ml/2gm | 22 maximum |
Loose bulk density | 1.0 (average) |
Apparent settled density | 1.2 (average) |
Specific weight g/cm3 | 2.2 (average) |
Fluid Profile:
pH of 5% gel | 10 pH (typical) |
36kgs/m3 | 36 sec MFV |
Filtrate ml/30min | <20ml |
Recommended Treatment:
Normal drilling conditions, 30 to 50kg per 1000ltr fresh water. For poorly consolidated formation(s), dosage rates can be increased for additional panel/hole stability.
Allow sufficient time for the Gel Aus 4 to fully yield for the best results. Pre-mix Gel Aus 4 in fresh water and allow it to fully yield before adding to salty or hard water.
Pack Size:
48 x 25kg Bags packed into a 1.2T Bulk Bag