BENTONITE API is high quality drilling grade sodium bentonite which conforming to API specifications. In fresh water it yields 91-100 bbl/ton of 15 cps viscosity drilling mud.
BENTONITE API is a premium-grade bentonite (a sodium montmorillonite caly) that will yield 91 to 100 barrels of 15-cP mud per ton (1.7m3/100kg). It is used as a primary filter-cake-building, filtration-control and suspension agent in freshwater systems, and has application in all water-base mud systems.
Viscometer dial reading at 600r/min
Yield point/Plastic Viscosity Ratio
Filtrate volume /ml
Residue of diameter 75µm%
Moisture content %
50% API Drilling bentonite
Bentonite API is used to increase viscosity and reduce fluid loss in water base drilling fluids. It is a cost-effective means of achieving viscosity, fluid-loss control and filter-cake quality in freshwater and seawater mud.
Stabilizes the borehole
Improves hole-cleaning capacity of drilling fluids
Reduces fluid loss into the formation
Is environmentally responsible
Add Bentonite API in concentrations of 0-25 lb/bbl (0-70 kg/m³) to any active system. Mix slowly through a jet mixer or sift slowly into the vortex of a high-speed stirrer.
For information concerning environmental regulations applicable to Bentonite API, contact the Health Safety and Environmental Department.
Transportation of commodity name is not restricted by either international or CHINA regulatory agencies.
Safe Handling Recommendations
Utilize normal precautions for employee protection when handling chemical products. Use of standard PPE is recommended for employee comfort and safety. See Material Safety Data Sheet (MSDS) prior to use.
Package and Storage
25kg bags, jumbo bags or according to customer's requirement.
Avoid high-intensity extreme pressure and prolonged exposure to strong sunlight. Keep container closed. Keep away from heat, sparks and flames.
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