For use in drilling operations where premium grade Wyoming Bentonite is required. MATRIX-GEL‚ is a 200 mesh finely ground, 90 bbl. yield sodium bentonite for fresh-water drilling. It is also used in slurry trenching, drilled shafts, and tunnel boring drilling. MATRIX-GEL is manufactured to exceed API 13A, Section 9 specifications. It mixes quickly and easily in fresh water and assists in stabilizing the bore hole or trench walls. MATRIX-GEL yields excellent fluid loss properties.