Description

Bentone Sd 1 CAS NO 89749-77-9 is a high-performance organoclay rheological additive, specifically a quaternary ammonium bentonite. This product is engineered to provide superior thickening, thixotropic, and anti-settling properties in a wide range of solvent-based systems. It is an essential component for formulators seeking to control viscosity, prevent sagging, and enhance the stability of paints, coatings, adhesives, and sealants. Its effectiveness makes it a critical raw material for industrial and protective coating manufacturers globally.

Application

Bentone Sd 1 is a versatile rheology modifier used across multiple industries to improve product performance and stability.

• Industrial & Protective Coatings: Imparts thixotropy and anti-sag properties in high-build epoxy, polyurethane, and alkyd coatings for corrosion protection and industrial maintenance.
• Adhesives & Sealants: Provides viscosity control and prevents filler settling in solvent-based mastics, construction adhesives, and automotive sealants.
• Printing Inks: Used to adjust rheology and prevent pigment settling in specialty solvent-based ink formulations.
• Greases & Lubricants: Acts as a thickener and stabilizer in specialty lubricating greases and compounds.
• Polymer & Composite Systems: Enhances the viscosity and suspension characteristics in gel coats and unsaturated polyester resin systems.
• Agricultural Formulations: Aids in suspension and rheology control in solvent-based pesticide and herbicide concentrates.

Basic Information

Product Name	Bentone Sd 1
CAS No.	89749-77-9
Molecular Formula	Complex silicate (Organically modified Bentonite)
Molecular Weight	N/A (Complex inorganic-organic composite)
Synonyms	Bentone SD-1; Organophilic Bentonite SD-1; Quaternium-18 Bentonite; Organoclay SD-1; Rheological Additive SD-1; Dimethyl dihydrogenated tallow ammonium bentonite; Bentone 38 (related grade); Tixogel (related product line); Rheological grade organoclay
EINECS	Contact for details

Quality Control

Our Bentone Sd 1 is manufactured under strict quality management systems to ensure batch-to-batch consistency and performance reliability. The product undergoes rigorous testing for key parameters such as gel formation, moisture content, particle size distribution, and rheological performance in standard test formulations. Certificates of Analysis (COA) documenting these specifications are available upon request for every shipment, providing full traceability and quality assurance for your production processes.

Storage

Preserve in a tightly closed container, protected from light. This product is hygroscopic (moisture-sensitive) and must be stored in a cool, dry place at room temperature (15-25°C). Ensure the original packaging is sealed after use to minimize exposure to atmospheric humidity, which can affect performance. Store away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to cream fine powder
Moisture Content	≤ 3.0%
Ignition Loss	35 - 45%
Particle Size (Passing 200 mesh)	≥ 95%
Gel Viscosity (in specified solvent)	Meet typical grade range

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.