MINERALS IN FOR OIL WELL DRILLING INDUSTRIES:

SPECIFICATION OF OCMA GRADE BENTONITE:

Viscometer Dial Reading at 600 RPM 30 Min.
Yield Point/plastic Viscosity Ratio 6.0 Max.
Fluid Loss 16.0 ML.
Residue Greater than 75 Micro 2.5 Wt.% Max
Moisture 12.0% Max

SPECIFICATION OF API - 13-A GRADE BENTONITE:

Viscometer Dial Reading at 600 RPM 30 Min.
Yield Point/plastic Viscosity Ratio 3.0 Max.
Fluid Loss 13.0 ML.
Residue Greater than 75 Micro 4.0 Max
Moisture 10.0% Max

SPECIFICATION OF PILLING GRADE BENTONITE:

Moisture Content 12%
Loose Bulk Density 0.75 to 0.85 g/l
Residue on 0.075 mm 2.5%
PH value (Suspension 30-40 kg/m3) 10
Concentraion Viscocity (kg/m3) 30
Apparent Viscocity (cp) 12
Plastic Viscocity(cp) 7
Marsh Viscocity(sec.)
(Swell time-1 Hr.)		 32
Gel Strenght (lbs/100 SqFt)
Shearometer awell time-1 Hr.
0
Filter Loss(ml)
(30 min.7 Bar)		 25
Swelling Time
(Fresh water with about 3.57 meg/1 Cao
and/ or Mgo hardness temp.20 degree		 20 hrs.