CLAYTONE 7840

Claytone 7840 is a self-activating organophilic phyllosilicate rheology additive developed primarily for low- to medium-polar base oils.

Claytone 7840 provides thixotropic and shear-thinning flow behavior while improving suspension stability, viscosity control, and resistance to sedimentation.

Claytone 7840 is particularly suitable for lubricant formulations containing solid additives, fillers, performance components, or other materials that must remain uniformly suspended.

CAS Number: Not assigned as a single CAS number for the complete commercial composition

EC Number: Not assigned as a single EC number for the complete commercial composition

Molecular Formula: Not applicable to an organically modified natural phyllosilicate mixture

Molecular Weight: Not applicable to an organically modified natural phyllosilicate mixture

SYNONYMS

Claytone 7840, Claytone-7840, CLAYTONE 7840, CLAYTONE-7840, Self-Activating Organophilic Phyllosilicate, Self-Activating Organophilic Clay, Organophilic Phyllosilicate Rheology Additive, Organically Modified Phyllosilicate, Organically Modified Natural Phyllosilicate, Organoclay Rheology Additive, Organoclay Thickener, Organoclay Thixotropic Agent, Oil-Compatible Organoclay, Oil-Dispersible Phyllosilicate, Lubricant Rheology Additive, Lubricant Thickening Additive, Lubricant Suspension Stabilizer, Base-Oil Rheology Modifier, Oil-Based Rheology Modifier, Oil Thickening Agent, Thixotropic Oil Additive, Shear-Thinning Lubricant Additive, Self-Activating Rheology Modifier, Polar-Activator-Free Organoclay, Low-Polarity Oil Thickener, Medium-Polarity Oil Thickener, Mineral-Oil Rheology Additive, Naphthenic-Oil Rheology Additive, Paraffinic-Oil Rheology Additive, Synthetic-Base-Oil Rheology Additive, Grease Rheology Modifier, Semi-Fluid Grease Thickener, Solid-Lubricant Suspension Agent, Graphite Suspension Stabilizer, PTFE Suspension Stabilizer, Molybdenum Disulfide Suspension Stabilizer, Filler Anti-Settling Agent, Pigment Anti-Settling Agent, Lubricant Storage-Stability Additive, Oil-Based Anti-Sedimentation Additive, Low-Shear Viscosity Modifier, Mid-Shear Viscosity Modifier, Thixotropic Gel-Structure Additive, Oil-Based Sag-Control Additive, Lubricant Consistency Modifier, Oil-Based Suspension Aid, Organophilic Layered Silicate, Modified Layered Silicate Rheology Additive

APPLICATIONS

Claytone 7840 serves as a rheology additive in low- to medium-polar mineral-oil lubricant formulations.
Claytone 7840 increases low-shear structure while allowing the lubricant to flow more readily during pumping, mixing, or mechanical application.

Claytone 7840 supports naphthenic base-oil systems requiring controlled viscosity and stable suspension of performance additives.
Claytone 7840 helps reduce separation when differences in density would otherwise cause solid ingredients to settle during storage.

Claytone 7840 contributes to paraffinic base-oil formulations after compatibility and dispersion efficiency have been confirmed.
Claytone 7840 enables paraffinic lubricant systems to develop a reversible structure that weakens under shear and rebuilds at rest.

Claytone 7840 functions in selected synthetic base-oil blends that fall within the appropriate polarity range.
Claytone 7840 should be evaluated in polyalphaolefin, alkylated aromatic, ester-containing, and mixed-base systems through laboratory rheology testing.

Claytone 7840 supports lubricant blends containing both low-polarity oils and moderately polar performance additives.
Claytone 7840 helps maintain uniformity when the finished lubricant contains chemically different liquid and solid components.

Claytone 7840 serves as a consistency modifier in lubricating greases based on compatible base oils and thickener systems.
Claytone 7840 allows grease formulators to reinforce low-shear structure without eliminating flow under mechanical working conditions.

Claytone 7840 contributes to semi-fluid greases that must remain pumpable while resisting rapid oil or solid separation.
Claytone 7840 supports a balance between dispensing behavior, channeling resistance, equipment mobility, and storage consistency.

Claytone 7840 functions in open-gear lubricants requiring adhesion, body, and resistance to gravitational movement.
Claytone 7840 helps the applied lubricant remain on gear teeth while mechanical contact temporarily reduces viscosity during operation.

Claytone 7840 supports chain lubricants that require controlled flow during application and improved retention after application.
Claytone 7840 reduces excessive dripping when Claytone 7840 is properly dispersed and the final rheological profile is optimized.

Claytone 7840 contributes to wire-rope lubricants containing oils, corrosion inhibitors, solid lubricants, and tackifying components.
Claytone 7840 helps keep the formulation uniform while supporting controlled penetration and surface retention.

Claytone 7840 serves as a suspension stabilizer in metalworking oils containing finely divided extreme-pressure or lubricating solids.
Claytone 7840 reduces hard settling that could produce inconsistent additive delivery during machining or metal-forming operations.

Claytone 7840 supports drawing, stamping, and forming oils requiring stable rheology during storage and application.
Claytone 7840 improves retention on metal surfaces while allowing the lubricant to spread under pressure and shear.

Claytone 7840 contributes to rust-preventive oils containing corrosion inhibitors, waxes, pigments, or solid barrier components.
Claytone 7840 helps maintain a uniform protective composition throughout storage and application.

Claytone 7840 functions in temporary corrosion-protection formulations designed to form controlled oily or waxy films.
Claytone 7840 reduces sagging and drainage from vertical or inclined metal surfaces when the finished formulation is properly balanced.

Claytone 7840 supports anti-seize compounds containing graphite and other particulate lubricating materials.
Claytone 7840 helps prevent graphite from compacting at the bottom of containers during extended storage.

Claytone 7840 contributes to oil-based formulations containing polytetrafluoroethylene particles.
Claytone 7840 maintains more uniform PTFE distribution and improves repeatability when the formulation is dispensed in separate portions.

Claytone 7840 functions in lubricants and assembly compounds containing molybdenum disulfide.
Claytone 7840 reduces settling of dense molybdenum disulfide particles by generating a supporting low-shear network.

Claytone 7840 supports specialty lubricants containing boron nitride, ceramic powders, metallic particles, or mineral fillers.
Claytone 7840 performance depends on particle size, particle density, surface chemistry, loading level, and base-oil polarity.

Claytone 7840 contributes to additive concentrates containing solid lubricants, pigments, fillers, or functional powders.
Claytone 7840 allows concentrates to retain more consistent composition before dilution into the final lubricant.

Claytone 7840 serves as an anti-settling agent for lubricant formulations containing multiple additive packages with different densities.
Claytone 7840 helps reduce concentration gradients that could otherwise develop between the upper and lower regions of a storage container.

Claytone 7840 supports tacky lubricants that must resist dripping, running, or centrifugal displacement.
Claytone 7840 provides rheological structure while compatible tackifiers contribute adhesion and stringiness.

Claytone 7840 contributes to lubricants applied to vertical surfaces, overhead components, and exposed mechanical assemblies.
Claytone 7840 improves resistance to gravitational flow after application while retaining shear-thinning behavior during spreading.

Claytone 7840 functions in sprayable lubricants when particle size, dispersion, nozzle design, and final viscosity remain suitable.
Claytone 7840 allows viscosity to decrease during spraying and recover after deposition on the target surface.

Claytone 7840 supports pumpable lubricants transferred through centralized lubrication equipment.
Claytone 7840 requires optimization so that static suspension stability does not produce excessive pressure loss during pumping.

Claytone 7840 contributes to lubricant research and development involving thixotropy, yield stress, recovery, and sedimentation control.
Claytone 7840 enables formulators to adjust low- and medium-shear behavior without relying exclusively on high-molecular-weight polymer thickeners.

DESCRIPTION

Claytone 7840 is an organophilic phyllosilicate formulated to modify the rheology of oil-based systems.
Claytone 7840 is designed especially for low- to medium-polar base oils used in lubricant applications.

Claytone 7840 is based on a naturally occurring layered silicate that has been organically modified to improve compatibility with nonaqueous media.
Claytone 7840 contains a distribution of mineral platelets and organic modification components rather than one discrete molecular species.

Claytone 7840 consequently has no single molecular formula, molecular weight, or complete-substance CAS number.
Claytone 7840 specifications must be treated as properties of a formulated mineral-based material rather than a pure chemical compound.

Claytone 7840 is self-activating in the intended oil systems.
Claytone 7840 normally does not require a separate polar activator to develop useful rheological performance.

Claytone 7840 develops structure when the organophilic phyllosilicate particles are adequately distributed throughout a compatible base oil.
Claytone 7840 forms particle-particle interactions that create a weak three-dimensional network within the liquid phase.

Claytone 7840 provides thixotropic behavior because the internal network weakens during mechanical shear.
Claytone 7840 rebuilds structure after shear is reduced or removed, allowing viscosity and suspension capability to recover.

Claytone 7840 generates shear-thinning behavior that supports easier pumping, spreading, mixing, and application.
Claytone 7840 simultaneously provides higher apparent structure at rest to reduce sedimentation and unwanted movement.

Claytone 7840 is especially effective in the low- and medium-shear regions of a formulation’s rheological profile.
Claytone 7840 can therefore influence storage stability, yield behavior, anti-settling performance, and static consistency.

Claytone 7840 performance depends strongly on the polarity and composition of the surrounding base oil.
Claytone 7840 may provide insufficient development or different rheology when the formulation is substantially more polar than the intended range.

Claytone 7840 improves anti-settling behavior by increasing the resistance encountered by suspended particles under near-static conditions.
Claytone 7840 cannot prevent every form of separation when particles are excessively large, dense, poorly wetted, or heavily loaded.

Claytone 7840 should be incorporated with enough mechanical energy to distribute the particles and expose the active platelet surfaces.
Claytone 7840 incorporation may be influenced by mixing speed, blade geometry, batch temperature, addition sequence, and processing time.

Claytone 7840 can be added during preparation of the base-oil phase or introduced through a concentrated predispersed component.
Claytone 7840 should be protected from uncontrolled agglomeration because incomplete dispersion can reduce efficiency and create inconsistent viscosity.

Claytone 7840 has a stated shelf life of 60 months in unopened original packaging stored under the conditions specified in the applicable documentation.
Claytone 7840 should still be evaluated in the finished formulation through storage, temperature-cycling, sedimentation, pumping, and recovery testing.

PROPERTIES

Product Name: Claytone 7840

Chemical Class: Organophilic Phyllosilicate

Material Type: Organically Modified Natural Layered Silicate

Substance Form: Proprietary Mineral-Based Rheology Additive

CAS Number: Not Assigned as One Definitive Number for the Complete Composition

EC Number: Not Assigned as One Definitive Number for the Complete Composition

Molecular Formula: Not Applicable

Molecular Weight: Not Applicable

Primary Function: Rheology Modification

Secondary Functions: Thickening, Suspension Stabilization, Anti-Settling, Sag Control, and Storage-Stability Improvement

Activation Type: Self-Activating

Separate Polar Activator Requirement: Normally Not Required in Intended Systems

Target Media: Low- to Medium-Polar Base Oils

Primary Application Field: Lubricants

Rheological Behavior: Thixotropic

Flow Behavior under Shear: Shear-Thinning

Structural Behavior at Rest: Rebuilds a Weak Suspension-Supporting Network

Primary Effective Shear Range: Low and Medium Shear

Low-Shear Effect: Increased Structure and Sedimentation Resistance

Medium-Shear Effect: Controlled Viscosity and Application Behavior

High-Shear Effect: Formulation and Dispersion Dependent

Anti-Settling Performance: Improves Suspension of Compatible Solid Ingredients

Sag Resistance: Improved in Properly Formulated Systems

Storage Stability: Improved through Rheological Suspension Control

Leveling: Maintains Useful Leveling when the Addition Level is Properly Optimized

Water Solubility: Not Water Soluble as a Mineral-Based Layered Silicate

Oil Behavior: Dispersible in Compatible Base Oils after Appropriate Incorporation

Polarity Sensitivity: High

Particle Suspension Capability: Dependent on Particle Size, Density, Loading, and Surface Chemistry

Recommended Dosage: Formulation Dependent

Dispersion Requirement: Adequate Mechanical Mixing Required

Addition Sequence: Formulation Dependent

Polar Activator Compatibility: Normally Unnecessary but Formulation Dependent

Appearance: Refer to the Current Grade Specification

Particle Size: Refer to the Current Grade Specification

Moisture Content: Refer to the Current Grade Specification

Bulk Density: Refer to the Current Grade Specification

Specific Gravity: Refer to the Current Grade Specification

pH: Not a Meaningful Standalone Property for the Dry Nonaqueous Additive

Flash Point: Not Applicable to the Non-Liquid Mineral Additive

Volatility: Low under Normal Conditions

Dust Formation: Possible during Dry Handling

Chemical Stability: Stable under Recommended Storage Conditions

Shelf Life: 60 Months in Unopened Original Packaging under Specified Storage Conditions

Storage Conditions: Dry, Tightly Closed, and Protected from Moisture and Contamination

Regulatory Status: Application, Region, and Complete Composition Dependent

FIRST AID

Inhalation: Move the person exposed to Claytone 7840 dust into fresh air and keep the person comfortable.
Obtain medical attention if Claytone 7840 exposure causes persistent coughing, throat irritation, wheezing, or breathing difficulty.

Skin Contact: Remove clothing contaminated with Claytone 7840 and wash the affected skin with soap and water.
Obtain medical advice if Claytone 7840 causes persistent dryness, redness, irritation, or discomfort.

Eye Contact: Rinse eyes exposed to Claytone 7840 immediately with clean running water for at least 15 minutes.
Remove contact lenses when easy to do and obtain medical attention if Claytone 7840 causes continuing pain, redness, or visual discomfort.

Ingestion: Rinse the mouth thoroughly after accidental ingestion of Claytone 7840 and do not induce vomiting unless instructed by medical personnel.
Obtain medical advice after substantial Claytone 7840 ingestion or whenever nausea, discomfort, or other symptoms develop.

Note to Physicians: Treat Claytone 7840 exposure symptomatically and provide supportive care.
Review the current grade-specific Safety Data Sheet to assess Claytone 7840 composition, dust hazards, exposure route, and required medical measures.

HANDLING AND STORAGE

Handling: Handle Claytone 7840 according to good industrial hygiene and dry-powder processing practices.
Avoid generating Claytone 7840 dust and prevent unnecessary contact with the eyes, skin, clothing, and breathing zone.

Ventilation: Provide effective general ventilation and local exhaust wherever Claytone 7840 is transferred, weighed, charged, sieved, or dispersed.
Use suitable respiratory protection when engineering controls cannot adequately control airborne Claytone 7840 dust.

Storage: Store Claytone 7840 in tightly closed original or chemically compatible packaging within a dry and well-ventilated area.
Protect Claytone 7840 from moisture, excessive heat, contamination, damaged packaging, and uncontrolled exposure to the workplace atmosphere.

Spill and Leak Procedures: Avoid raising Claytone 7840 dust and collect Claytone 7840 using a suitable low-dust vacuum or mechanical method.
Place recovered Claytone 7840 in labeled containers and prevent Claytone 7840 from entering drains or uncontrolled waste streams.

Handling Precautions: Wear suitable protective gloves, safety glasses, protective clothing, and respiratory protection when required.
Review the current Safety Data Sheet and technical specification before commercial Claytone 7840 storage, processing, or formulation.