SAND-DRILL should always be premixed with TORQUELESS, the recommended ratio is one part
SAND-DRILL to two parts TORQUELESS. The SAND-DRILL premix is then introduced in the mixing system with water.
The recommended dosage is from;
1-3 litres SAND-DRILL per 1000 litres of water.
1-3 quarts SAND-DRILL per 250 gallons of water.
**For specific information, or difficult drilling conditions, please contact your local distributor or Control Chemical by telephone or e-mail.**
A drilling additive for reducing the difficulties of drilling overburden, sand, gravel and cobbles while achieving maximum potential core recovery in these conditions.