Fast setting, low viscosity grout used for fall recoveries. Supplied as a ready to use free flowing blended cementitious powder. It requires only the addition of water in a suitable placing machine.
Uses include backfilling behind steel sets, replacement for timber chocks in longwall tailgates and recovery of falls in headings and intersections.
|WATER : POWDER RATIO||1.75:1||2:1||2.5:1|
|Gel time @ 20°C||2-3 Minutes||3-4 Minutes||5-6 Minutes|
|Fresh wet density (kg per cubic meter)||1300||1260||1370|
|AGE||COMPRESSIVE STRENGTH @ W:P RATIO 1.75:1||COMPRESSIVE STRENGTH @ W:P RATIO 2:1||COMPRESSIVE STRENGTH @ W:P RATIO 2.5:1|
|1 Day||5 MPa||4 MPa||3 MPa|
|7 Days||5.5 MPa||4.7 MPa||4.5 MPa|
|28 Days||6.5 MPa||5.0 MPa||4.8 MPa|