Drilling and civil engineering bentonite is made by API and OCMA standardIt can be used as low solid phase mud in under ground civil engineering and drilling field
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The specifications
Item Mud  yieldM3T Filter  loss ML30min Yield  1b100ft2 Moisture  Wet Sieve Analysis0074mm gel strength
HH01 18 12 3xPV 12 4 18 25 40
HH02 1218 1218 3xPV 12 4 15 20 30