high quality API bentonite

Both American API standard and the European OCMA standard can meet.All your inquiry will get our immediate attention!ProductIntroduction Withcarefullyselectedbentoniteofhighquality,thenthroughthepurification, modification,processingwedevelopthebentonitefordrillingmud,whose qualitymeetinternationalstandardsofOCMAandtheUnitedStatesAPIgrade. ProductUsage Bentonitehashigh expansionaftermeetingwaterandagoodcolloidal nature, whichcanincreasetheviscosityofsuspensioninthedrillingmudand alsocanincreasethelubricationofdrilling,cleanthedebrisduringdrilling, aswell asfortherig-freeingagent.Soitiswidelyusedincomplex geologicalformationdrilling. Physical&ChemicalIndex Item Index OCMA API Viscosity600r/min ≥30 ≥30 Yieldvalue ≤6 ≤3 Filtration(ml) ≤16 ≤15 Residue75μm ≤2.5% ≤4% Moisturecontent ≤13% ≤13%