BENTONE‑52 Equivalent Economy Grade Organoclay CAS 68953‑58‑2 Organo Bentonite for General Industrial Anti‑Corrosive Primer Paint
BENTONE‑52 Equivalent Economy Grade Organoclay (CAS 68953‑58‑2) is economical‑grade organophilic bentonite powder developed as direct alternative to BENTONE‑52, targeted for general‑purpose solvent‑borne industrial anti‑corrosive primer systems. With proper polar activator and high‑shear grinding dispersion, silicate platelets exfoliate and build a reversible three‑dimensional thixotropic gel network within solvent‑resin matrix. During storage, the network suppresses sedimentation of anti‑corros
Product Overview
BENTONE‑52 Equivalent Economy Grade Organoclay, CAS 68953‑58‑2, is manufactured from purified natural montmorillonite via organic quaternary‑ammonium modification, acting as budget‑friendly functional substitute for BENTONE‑52. This economy‑grade organophilic bentonite is specially developed for cost‑focused general industrial solvent‑borne anti‑corrosive primer production. This organoclay requires matched polar activator combined with high‑shear grinding at pigment‑grinding stage to achieve sufficient exfoliation of silicate platelets inside solvent‑based primer systems. Exfoliated silicate platelets form a reversible three‑dimensional colloidal thixotropic network in resin‑solvent medium. Under static warehouse storage, the colloidal network holds anti‑corrosion pigments and mineral fillers in stable suspension and minimizes hard compact sediment at the bottom of primer containers. During air spraying and airless spraying onto steel and metal components, mechanical shear disrupts the thixotropic gel network, lowering primer viscosity to achieve good atomization and substrate wetting. Once spraying operation is completed, thixotropic structure recovers quickly and restricts sagging and running of wet primer film on vertical metal surfaces. This economy‑grade organoclay maintains acceptable compatibility with medium‑oil and short‑oil alkyd resins, and has limited negative impact on primer adhesion, hardness and anti‑corrosion property. It offers consistent basic rheological performance and helps coating factories control material costs for mass‑produced general‑purpose industrial anti‑corrosive primers.
Key Features
‑ Economy‑grade organophilic bentonite, functional equivalent to BENTONE‑52 for general industrial anti‑corrosive primer paint ‑ Requires suitable polar activator plus high‑shear grinding dispersion for effective silicate‑platelet exfoliation in solvent‑borne primer ‑ Satisfactory anti‑settling performance for anti‑corrosive pigments and mineral fillers during primer storage ‑ Effective anti‑sag property for wet primer film on vertical metal work‑pieces ‑ Typical shear‑thinning thixotropic behaviour, balancing storage suspension stability and spraying atomization performance ‑ Good compatibility with common alkyd resin systems for general‑purpose industrial primers ‑ Cost‑effective inorganic rheology modifier for high‑volume primer manufacturing ‑ Fine free‑flowing light off‑white powder, convenient feeding within solvent‑based paint grinding workshops
Technical Specifications
‑ Product Name: BENTONE‑52 Equivalent Economy Grade Organoclay ‑ CAS Number: 68953‑58‑2 ‑ Appearance: Light off‑white fine powder ‑ Moisture: ≤4.0 % ‑ Loss on ignition: 32.0‑41.0 % ‑ Fineness (325 mesh residue): ≤2.2 % ‑ Bulk density: 0.22‑0.35 g/cm³
Application Scenarios
‑ General‑purpose alkyd anti‑corrosive metal primers for machinery and equipment ‑ Solvent‑borne primers for steel frames, metal furniture and light‑duty steel structures ‑ Cost‑sensitive high‑volume industrial primer formulations ‑ Pigment‑rich solvent‑based priming coatings requiring basic anti‑sag and anti‑settling control ‑ Economy‑grade rheology organoclay additive for general industrial anti‑corrosive primer production
Usage Recommendation
‑ Typical dosage range: 0.4‑1.7 % based on total primer formulation weight ‑ Add organoclay powder at pigment grinding phase along with appropriate polar activator, carry out sufficient high‑shear dispersion before introducing main alkyd resin ‑ Adequate grinding shear and correct activator dosage are essential to develop target thixotropy; insufficient exfoliation leads to pigment settling and poor anti‑sag result ‑ Complete laboratory pre‑formulation tests covering storage stability, spraying property, anti‑sag and cured‑film anti‑corrosion performance before mass production ‑ Avoid excessive addition; over‑dosage will cause sharp viscosity rise and impair primer spraying atomization
Package & Storage
‑ Standard packing: 25kg kraft paper bag with inner PE liner ‑ Store in cool, dry and ventilated warehouse; protect powder from moisture absorption and heavy compression ‑ Tightly seal opened bags to prevent moisture ingress ‑ Shelf life: 12 months under proper storage conditions
Safety Notes
‑ Avoid dust generation and inhalation during material handling; wear suitable dust mask and safety goggles. ‑ Prevent direct skin contact; chemical‑resistant gloves are required for operation. ‑ Keep away from open flame and high‑temperature heat sources. ‑ Please refer to SDS document for comprehensive guidance on handling, transportation and emergency disposal.
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BENTONE‑52 Equivalent Economy Grade Organoclay CAS 68953‑58‑2 Organo Bentonite for General Industrial Anti‑Corrosive Primer Paint
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