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Bentonite - Guangdong Hico New Materials
KEY INDICATORS
Product Key Indicators
Overview of key performance parameters of bentonite
≥6.0
Thixotropy Index
Shear Thinning · Thickening at Rest
3Models
Premium Selection
Water-based 1 + Organic 2
≥7000CPS
Apparent Viscosity
Excellent Thickening Effect
5-12
pH Adaptation Range
Wide System Compatibility
PRODUCT ADVANTAGES
Bentonite Four Core Advantages
Anti-Settlement · Strong Thixotropy · Wide pH Range · Easy to Disperse
01
🛡
Anti-Settlement · Anti-Sedimentation
Bentonite has excellent anti-settlement ability in the system, effectively preventing sedimentation and separation of coatings, inks and other products during storage, ensuring long-term product quality stability.
02
🔄
Strong Thixotropy · Shear Thinning
Thixotropy index above 6.0, high viscosity at rest prevents sagging, viscosity rapidly decreases during application shear for easy spreading, shear thinning · thickening at rest, achieving both applicability and anti-sagging.
03
⚖
Wide pH Range · 5-12 Full Coverage
Thickening function can be played in the pH 5-12 wide range, not limited by system acidity or alkalinity, suitable for water-based coatings, solvent-based coatings, inks and other systems, extremely strong adaptability.
04
⚡
Super Easy to Disperse · No Pre-gel Needed
Super easy to disperse, no need of pre-gel, no need of polar activator, direct addition enables efficient dispersion, greatly simplifying the production process, reducing formulation cost and operation difficulty.
BENTONITE ADVANTAGES
Bentonite Core Advantages
Montmorillonite Layered Structure · Card House Network · Thixotropic Thickening · Anti-Settlement

🔬 Thixotropic Thickening Principle of Bentonite

Bentonite is a natural clay mineral with montmorillonite as its main component. Its layered structure can be fully dispersed in water, forming a "card house" three-dimensional network structure, giving the system excellent thixotropy and anti-settlement properties. Water-based bentonite is suitable for aqueous systems, while organic bentonite is surface-modified for low and medium polarity solvent systems.

🛡
Anti-Settlement
Card house network prevents sedimentation, ensuring long-term storage stability
🔄
Thixotropy Index ≥6.0
Shear thinning for application, thickening at rest for anti-sagging
⚖
pH 5-12 Wide Range
Not limited by system acidity or alkalinity, extremely strong adaptability
⚡
Super Easy to Disperse
No need of pre-gel and polar activator, direct addition
📊
Colloid Index ≥98
Excellent swelling and gelation ability, high thickening efficiency
🏭
2 Series 3 Models
Covering aqueous systems and organic solvent systems
🧊
Thickening at Rest
Bentonite layered structure forms card house network, system viscosity increases, preventing sedimentation and sagging
→
💧
Shear Thinning
Application shear breaks the card house network, viscosity rapidly decreases, facilitating spreading and leveling
→
🧊
Recovery Thickening
After shear stops, card house network rapidly rebuilds, restoring high viscosity, preventing sagging
PRODUCT TYPE
Two Major Series for Precise Selection
Water-based Bentonite · Organic Bentonite — Covering Coatings / Inks / Sealants Applications

🔬 Thixotropic Thickening Principle & Selection Guide

Bentonite is a natural clay mineral with montmorillonite as its main component. Its layered structure can be fully dispersed in water, forming a "card house" three-dimensional network structure, giving the system excellent thixotropy and anti-settlement properties. Water-based bentonite is suitable for aqueous systems, while organic bentonite is surface-modified for low and medium polarity solvent systems.

Bentonite Microstructure Diagram
Water-based Water-based Bentonite
For Aqueous Systems · Colloid Index ≥98 · High Expansivity
Clayminton LB
Hue: Off-white
Whiteness: ≥75
Colloid Index: ≥98
Expansivity: >30
Viscosity: ≥7000 CPS
Fineness: >98%
Organic Organic Bentonite
For Solvent Systems · Low & Medium Polarity · No Activator Needed
Clayminton 72 BP-186
72: White, S.G. 1.7
186: Off-white, S.G. 1.5-2.0
Passing Rate: ≥98%
Water Content: 2%-4%
No Pre-gel Needed
No Polar Activator
⚠
Selection Guide: For aqueous systems (water-based coatings, putty, etc.), Clayminton LB is recommended (colloid index ≥98, expansivity >30); for low and medium polarity solvent systems (anticorrosive paints, marine paints, inks, etc.), Organic Bentonite is recommended (no need of pre-gel and polar activator, direct addition for efficient dispersion). The specific product values are subject to the actual factory inspection report.
TECHNICAL PARAMETERS
Product Technical Parameters
Full Series Parameters — Water-based 1 Model + Organic 2 Models
📊 Water-based Bentonite
Model No. Hue Whiteness Moisture
(%)		 Colloid Index Expansivity Fineness
(%)		 Apparent Viscosity
(CPS)
Clayminton LB Off-white ≥75 ≤12 ≥98 >30 >98 ≥7000
📋 Clayminton LB colloid index ≥98, expansivity >30, apparent viscosity ≥7000 CPS, suitable for thixotropic thickening and anti-settlement in water-based coatings, putty and other aqueous systems. The specific product values are subject to the actual factory inspection report.
📊 Organic Bentonite
Model No. Hue Specific Gravity
(g/cm³)		 Passing Rate Water Content
Clayminton 72 White 1.7 ≥98% 2%-4%
BP-186 Off-white 1.5-2.0 ≥98% 2%-4%
📋 Organic bentonite passing rate ≥98%, water content only 2%-4%, suitable for paints, inks and other products with low and medium polarity solvents, no need of pre-gel and polar activator, direct addition for efficient dispersion. The specific product values are subject to the actual factory inspection report.
Product Warehouse
Product Inspection
PRODUCT INTRODUCTION
Product Introduction
Bentonite · Montmorillonite · Thixotropic Thickening · Anti-Settlement

Bentonite is a natural clay with montmorillonite as its main mineral component, featuring a unique layered structure and strong water absorption and swelling properties. When dispersed in water, bentonite platelets form a "card house" three-dimensional network, giving the system excellent thixotropy and anti-settlement properties.

Hico water-based bentonite Clayminton LB has colloid index ≥98, expansivity >30, apparent viscosity ≥7000 CPS, suitable for water-based coatings, putty and other aqueous systems. Hico organic bentonite is highly purified and modified from natural calcium bentonite, mainly suitable for low and medium polarity solvent paints, inks and other products, super easy to disperse, no need of pre-gel and polar activator.

Hico bentonite provides 2 series with 3 models, covering aqueous systems and organic solvent systems, with thixotropy index ≥6.0, pH 5-12 wide range applicable, making it an ideal anti-settlement thickening agent for coatings, inks, sealants and other industries.

Montmorillonite Thixotropy Index ≥6.0 Colloid Index ≥98 pH 5-12 No Pre-gel Needed ≥7000 CPS
✓
Anti-Settlement
Card house network prevents sedimentation, ensuring long-term storage stability
✓
Thixotropy Index ≥6.0
Shear thinning for application, thickening at rest for anti-sagging
✓
pH 5-12 Wide Range
Not limited by system acidity or alkalinity, extremely strong adaptability
✓
Super Easy to Disperse
No need of pre-gel and polar activator, direct addition
✓
Colloid Index ≥98
Excellent swelling and gelation ability, high thickening efficiency
✓
2 Series 3 Models
Covering aqueous systems and organic solvent systems
APPLICATION AREAS
Six Main Applications
Covering coatings, inks, sealants and other core applications
Wood Coatings Application
App 01
Wood Coatings
Adding bentonite to wood coatings leverages excellent thixotropy, shear thinning during application for easy spreading, rapid recovery of high viscosity after rest to prevent sagging, ensuring uniform and smooth film.
Anticorrosive Paints Application
App 02
Anticorrosive Paints
Adding organic bentonite to anticorrosive paints, no need of pre-gel for direct addition, efficient dispersion in low and medium polarity solvents, effectively preventing sedimentation and separation of heavy pigments in heavy-duty anticorrosive coatings.
Sealants Application
App 03
Sealants
Adding bentonite to sealants leverages the card house network structure, providing excellent thixotropy and anti-sag properties, ensuring sealants do not flow or collapse during vertical and overhead joint applications.
Industrial Coating Application
App 04
Industrial Coating
Adding bentonite to industrial coatings, pH 5-12 wide range applicable, not limited by system acidity or alkalinity, effectively preventing sedimentation of pigment fillers in industrial coatings, improving storage stability.
Marine Paints Application
App 05
Marine Paints
Adding organic bentonite to marine paints, efficient dispersion in low and medium polarity solvent systems, providing excellent anti-settlement and anti-sag performance, ensuring no sagging or sedimentation during thick-film application.
Printing Inks Application
App 06
Printing Inks
Adding bentonite to printing inks leverages thixotropic thickening properties, effectively preventing pigment sedimentation and flocculation in inks, ensuring ink rheology and storage stability during the printing process.
For product pricing and inspection reports, please contact us
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