What SG-58 dosage should be used in oilfield drilling fluid?

The supplied document does not state an oilfield drilling-fluid dosage or mud-performance specification. Request the current SG-58 TDS and qualify the grade in the actual base oil and complete mud formulation before field use.

SG-58 Organoclay Rheological Additive for Drilling & Coatings

Q: What is SG-58 organoclay used for?

SG-58 is a direct-add organoclay rheological additive described for solvent-based systems. Applications include oilfield drilling, paints and coatings, solvent-free epoxy tile grout, unsaturated polyester, epoxy and vinyl ester resins, and other listed resin, plastic and cosmetic applications. Check suitability in the complete formulation.

Q: Does SG-58 need a polar activator or pre-gel?

The supplied product information describes SG-58 as directly addable as a powder without a polar activator or pre-gel. Follow the current grade-specific TDS and verify dispersion with the actual process and formulation.

Q: What is the typical SG-58 dosage in paint?

The supplied guidance gives a typical paint dosage of 0.2–0.7% by weight. The final dosage depends on the full paint formulation and should be established by testing. This paint range is not a drilling-fluid dosage recommendation.

Q: What are the SG-58 packaging and storage details?

Packaging options stated in the product information are kraft paper bags with a PE liner, multi-wall paper sacks, or customized packaging, in 25 kg, 22.68 kg, or customized quantities. Store in a cool, dry, ventilated place. The stated shelf life is two years under recommended storage conditions.

SG-58 at a glance: a direct-add organoclay grade based on an organic derivative of montmorillonite clay. The supplied information describes broad compatibility across low-, moderate- and higher-polarity organic liquids, high thickening efficiency, viscosity stability and easier powder handling. Performance depends on the formulation, process and test conditions.

For grade selection, send the technical team your continuous phase or solvent, resin/binder, solids package, mixing equipment and target rheology. Request the current SG-58 TDS, SDS, lot COA or a sample.

Typical SG-58 Technical Properties

Property	Typical value	Test condition
Composition	Organic derivative of montmorillonite clay	—
Appearance	Fine off-white powder	Visual
Moisture content	≤4.0%	105°C, 2 h
Loss on ignition	<32%	1000°C
Bulk density	0.25 g/cm³	—
Fineness	≥98% below 74 μm	—
Dispersion fineness	≤40 μm	—

These are typical values transcribed from the supplied product document, not shipment guarantees. Confirm current limits and the applicable test methods against the grade TDS and batch COA.

Why Formulators Evaluate SG-58

Direct powder addition: the supplied instructions say it can be added at any point in the production process, without a polar activator or pre-gel. Confirm addition sequence and dispersion in the actual process.
Thixotropic rheology: contributes viscosity and structure for suspension and sag control; test flow, leveling, settling and recovery in the finished system.
Broad organic-liquid polarity range: described for low-, moderate- and higher-polarity systems; compatibility still depends on the specific solvent, resin and additives.
Powder handling: the product description notes easier handling and reduced dusting. Use appropriate dust-control and personal-protection procedures from the SDS.
Efficient rheology modification: supports viscosity development, suspension and system stability at a formulation-specific addition level.

SG-58 Applications

Application	Potential formulation role	Qualification focus
Oilfield drilling fluids	Organoclay rheology modifier candidate for oil-continuous systems	Base-oil compatibility, mixing route, rheology, gel recovery, sag, emulsion stability and filtration. Request drilling-specific TDS guidance.
Solvent-based paints and coatings	Thixotropy, pigment/filler suspension and sag control	Dispersion, viscosity profile, settling, film build, flow and leveling; check clarity/color where relevant.
Solvent-free epoxy tile grout	Rheology and anti-settling support	Filler loading, extrusion, vertical sag, working time and cured performance.
Unsaturated polyester, epoxy and vinyl ester resins	Thickening and suspension support	Resin compatibility, viscosity, cure behavior and end-use properties.
Plastic, cosmetic and other listed formulations	Potential rheology or suspension modification	Confirm sector-specific suitability, regulatory status and grade documentation before use.

Explore the oil-based drilling fluid selection guide for mud screening considerations, or compare paint formulation needs in our paint and coatings guide. SG-58 is an additional application-specific candidate; the published product data here does not claim API certification or a validated OBM performance result.

Use and Addition Guidance

The supplied instructions state that SG-58 may be added directly as a powder at any point in production, without making a pre-gel and without a polar activator. Actual addition order, shear and residence time should be set through trials using the production process and current TDS.

For paints, the typical dosage given in the source document is 0.2–0.7% by weight. It also describes SG-58 use levels as typically 30–50% lower than fumed-silica levels. Treat both statements as starting points for comparative trials, not universal guarantees. No drilling-fluid dosage is provided in the supplied document; do not apply the paint dosage to drilling mud.

For oilfield use, provide the base-fluid identity, oil/water ratio, mud density, solids package, target temperature and required rheology/sag tests when requesting SG-58 technical support. Review the grade-specific procedure before running a field trial.

Packaging, Storage and Shelf Life

Item	Details
Packaging	Kraft paper bags with PE liner, multi-wall paper sacks or customized packaging
Bag size	25 kg, 22.68 kg or customized
Storage	Keep in a cool, dry and ventilated place; protect packages from moisture
Stated shelf life	2 years under the recommended storage conditions

Refer to the current SDS for safe handling, dust control and personal protective equipment. The supplied document identifies Zhejiang Camp-Shinning New Material Co., Ltd. MSDS as the source of safety information. Request the current SDS for the purchased grade and destination market.

SG-58 Grade Selection

Consider SG-58 when direct powder addition and the documented application scope fit your process. For coatings, its supplied paint-use guidance is 0.2–0.7%. For oilfield drilling, compare it with grades published specifically for OBM/SBM and qualify it in the actual base fluid. See CP-982, CP-992 and CP-31 as existing published drilling-grade options; their specifications and activation profiles are not interchangeable with SG-58.

Browse the full organoclay grade index, compare the solvent-based organoclay range, or use the Product Finder to narrow grades by system.

Frequently Asked Questions

What is SG-58 organoclay used for?

SG-58 is a direct-add organoclay rheological additive described for solvent-based systems. The supplied application list includes oilfield drilling, paints and coatings, solvent-free epoxy tile grout, unsaturated polyester, epoxy and vinyl ester resins, plus plastic and cosmetic applications. Confirm fit in the complete formulation.

Does SG-58 need a polar activator or pre-gel?

The supplied instructions say SG-58 can be directly added as a powder without a polar activator or pre-gel. Follow the current grade-specific TDS and check dispersion in your formulation.

What is the typical SG-58 dosage in paint?

The source gives a typical paint dosage of 0.2–0.7% by weight. Determine the final level by testing the complete paint formulation. This range is not an oilfield drilling dosage.

What is the SG-58 dosage for oilfield drilling?

The supplied document does not specify a drilling-fluid dosage or mud performance. Request the current SG-58 TDS and qualify the grade in the actual base oil and complete mud formulation before field use.

What are SG-58's typical properties?

The supplied values are: off-white fine powder, moisture ≤4.0% (105°C, 2 h), loss on ignition <32% (1000°C), bulk density 0.25 g/cm³, ≥98% below 74 μm, and dispersion fineness ≤40 μm. Verify current specifications in the TDS and batch COA.

How is SG-58 packaged and stored?

The supplied options are kraft paper bags with PE liner, multi-wall paper sacks or customized packaging, in 25 kg, 22.68 kg or customized quantities. Store in a cool, dry, ventilated place. The stated shelf life is two years under recommended storage conditions.

Related product grades: CP-982 · CP-992 · CP-31 · CP-34 · CP-40 · CP-APA

Related application guides: Oilfield Drilling · Oil-Based Mud · Paints & Coatings · Solvent-Based Organoclay

SG-58 Organoclay Rheological Additive