Components: rich in alumina, silica montmorillonite by mechanical processing.
Characteristics: white, gray, gray-yellow, purple powder-like material, easily absorbing moisture.
Quality index:
Item Index
A three bentonite bentonite bentonite II
Mud rate, m ³ / t ≥ 16 ≥ 16 ≥ 12
Filtration rate, ml ≤ 15 ≤ 17 ≤ 2
Dynamic shear strength, Pa <1.5 × PV value
Humidity,% ≤ 10 ≤ 10 ≤ 15
Wet sieve analysis of 200 mesh sieve,% ≤ 4 ≤ 4 ≤ 4
Uses: It is one of basic material with pulp for fresh water and salinity of less than 20,000 mg / l salt water drilling fluid, can also be used as fluid loss additive, thickening agent and sealing agent.
Dosage: This product will add more than 0.5hr in the mixing water, add the amount of: calcium-based soil 5 to 10% + Soda 0.25! 0.50%, sodium soil 5 to 10%.
Packing: plastic woven bag, 25kg / bag.
Storage: should be stored in dry and ventilated warehouse.