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Naphthalene Powder

Naphthalene Powder

Basic Information

CAS No.: 91-20-3
Sodium-based bentonite powder is a powdered material made from clay minerals, with montmorillonite as the main mineral component, through processing and grinding.

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Product Details


Basic Information

Product NameSodium Bentonite Powder
Main CompositionSodium-based montmorillonite
CAS Number1302-78-9
Main FunctionsMud making, viscosity increasing, suspension stabilization, fluid loss control
Temperature Resistance≤150℃
Applicable SystemAll water-based drilling fluids
Main FeatureStrong water absorption and high expansion capacity


Physical and Chemical Properties

AppearanceOff-white to light yellow fine powder
Moisture Content≤10.0%
Expansion Multiple≥25mL/g
pH Value (5% suspension)7.0~9.0
Fineness≥95% pass 200-mesh sieve
DispersibilityEasy to disperse and hydrate rapidly in water


Core Performance and Chemical Characteristics

Powerful Hydration SwellingRapid hydration to form viscous colloidal system
Excellent Mud-making AbilityEffectively increase mud viscosity and shear force
Good Suspending PropertyStabilize solid phase particles and prevent settlement
Moderate Fluid Loss ReductionHelp optimize mud cake and reduce filtration loss
Good Salt ResistanceKeep stable performance in low and medium salinity mud
Wide CompatibilityCompatible with most drilling fluid additives


Safety Information   

ToxicityNon-toxic and harmless
Health HazardDust irritates respiratory tract and eyes
Protective MeasuresWear dust mask and protective gloves
Storage ConditionSeal and store in dry place, avoid moisture agglomeration
TransportationOrdinary inorganic mineral products
First AidRinse skin and eyes with clean water after contact
Waste DisposalDispose as general solid waste


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