Improves Brightness and Opacity in Coatings and Paper
Korvanto Kaolin (China Clay)
Korvanto Calcined Kaolin
Calcined Kaolin for Paints Plastics Rubber Paper Wire & Cable Insulation Applications
Export Ready
Overview
Product Overview
KORVANTO KAO CALCINED™ is a premium-grade anhydrous aluminum silicate produced by carefully calcining high-purity kaolin under controlled temperatures. The calcination process removes chemically bound water and modifies the kaolin crystal structure resulting in enhanced whiteness opacity brightness electrical insulation properties thermal stability and improved functional performance.
Engineered for demanding industrial applications KORVANTO KAO CALCINED™ serves as a high-performance extender filler reinforcing agent and pigment substitute in paints coatings plastics rubber paper wire & cable compounds printing inks technical ceramics and specialty formulations.
Its excellent dispersibility low moisture content controlled particle size distribution and superior optical properties make it a preferred choice for manufacturers seeking improved product performance and cost optimization.
Performance
Key Benefits
Enhances Hiding Power and Surface Finish
Acts as an Effective Titanium Dioxide (TiO₂) Extender
Improves Mechanical Properties of Plastics and Rubber
Provides Excellent Electrical Insulation Performance
Improves Heat Resistance and Thermal Stability
Enhances Printability and Surface Smoothness
Supports Cost Optimization in Industrial Formulations
Improves Processing Efficiency and Product Consistency
Suitable for High-Performance Technical Applications
Technical Data
Representative Technical Specifications
Product Identification Specifications
| Parameter | Representative Value |
|---|---|
| Product Name | KORVANTO KAO CALCINED |
| Product Description | Calcined Kaolin for Paints Plastics Rubber Paper Wire & Cable Insulation Applications |
| Mineral Type | Anhydrous aluminum silicate |
| Processing | Controlled calcination of high-purity kaolin |
| Supply Form | Powder |
| Calcination Effect | Removes chemically bound water; modifies kaolin crystal structure |
| Functional Role | High-performance extender filler reinforcing agent and pigment substitute |
Representative values shown above. Full Technical Data Sheet (TDS) Certificate of Analysis (COA) and additional documentation are available upon request.
Representative Technical Specifications
| Parameter | Representative Value |
|---|---|
| Brightness (%) | 88 – 95 |
| Moisture (%) | ≤ 0.5 |
| Al₂O₃ (%) | 42 – 46 |
| Fe₂O₃ (%) | 0.2 – 1.0 |
| SiO₂ (%) | 50 – 55 |
| LOI (%) | ≤ 1.5 |
| pH | 6.0 – 8.0 |
Representative values shown above. Full Technical Data Sheet (TDS) Certificate of Analysis (COA) and additional documentation are available upon request.
Industry Use
Applications
Bespoke Supply
Custom Grade
Custom Manufacturing Options
Korvanto supplies calcined kaolin according to customer requirements including:
Discuss Custom Specs →Particle Size Distribution
Custom Specifications & Grades
Application-Specific Formulations
Quality & Purity Requirements
Custom Packaging
Export Documentation Support
Export Supply
Packaging Options
Product Support
Frequently Asked Questions
What is KORVANTO KAO CAL used for
Korvanto KAO CAL is a thermally processed (calcined) kaolin used as a high-performance functional mineral in paints & coatings plastics rubber paper printing inks wire & cable compounds ceramics pharmaceuticals cosmetics fertilizers and other industrial applications requiring enhanced opacity brightness and reinforcement.
What is the difference between calcined kaolin and hydrous kaolin
Calcined kaolin is produced by heating refined hydrous kaolin at high temperatures which removes chemically bound water and improves brightness opacity hardness electrical insulation and reinforcing properties. It is preferred for high-performance industrial applications where enhanced functional characteristics are required.
Which industries and applications use KORVANTO KAO CAL
Korvanto KAO CAL is suitable for:
Paints & Coatings
Decorative Paints
Industrial Coatings
Architectural Coatings
Powder Coatings
Protective Coatings
Wire & Cable Industry
Cable Insulation Compounds
Wire Coating Compounds
Electrical Insulation Applications
Specialty Cable Formulations
Plastics Industry
Engineering Thermoplastics
Thermosetting Plastics
PVC Compounds
Plastic Films
Masterbatches
Rubber Industry
Rubber Compounds
Rubber Hoses
Seals & Gaskets
Industrial Rubber Products
Rubber Footwear
Paper Industry
Paper Fillers
Paper Coatings
Paperboard Applications
Printing Ink Industry
Printing Inks
Specialty Ink Formulations
Technical Ceramics
Specialty Ceramic Products
Ultramarine Blue Manufacturing
Pharmaceuticals
Cosmetics
Fertilizers
Why is calcined kaolin preferred in high-performance industrial applications
Calcined kaolin offers improved opacity brightness reinforcement electrical insulation dimensional stability and chemical resistance compared to untreated kaolin making it suitable for demanding industrial formulations.
Can Korvanto customize calcined kaolin specifications
Yes. Korvanto can supply calcined kaolin with customized particle size distribution brightness residue bulk density and other application-specific specifications based on customer requirements.
What packaging options are available
Korvanto KAO CAL is available in:
25 kg Bags
50 kg Bags
Jumbo Bags (FIBC)
Palletized Shipments
Bulk Container Supply
Customized export packaging is also available upon request.
What documents are available with the shipment
Depending on customer requirements Korvanto can provide:
Technical Data Sheet (TDS)
Certificate of Analysis (COA)
Safety Data Sheet (SDS) where applicable
Commercial Invoice
Packing List
Certificate of Origin (where applicable)
Other export documentation as required.
Which industries use kaolin
Korvanto kaolin products are supplied to industries including:
Ceramics
Tiles & Sanitaryware
Paints & Coatings
Paper
Plastics & Polymers
Rubber
Construction Materials
Adhesives & Sealants
Wire & Cable
Pharmaceuticals
Cosmetics & Personal Care
Agriculture
Refractories
Specialty Industrial Applications
How do I select the right kaolin grade
The appropriate kaolin grade depends on the intended application required brightness particle size whiteness plasticity calcination status moisture level and other processing requirements. Our technical team can recommend the most suitable product based on your application.
What is the difference between hydrous kaolin calcined kaolin and metakaolin
Hydrous kaolin is the naturally processed form used in ceramics paper paints plastics and rubber.
Calcined kaolin is heat-treated to improve brightness opacity electrical properties and reinforcement characteristics.
Metakaolin is a highly reactive calcined kaolin primarily used as a supplementary cementitious material in concrete construction chemicals and specialty building materials.
Can Korvanto supply customized kaolin specifications
Yes. Korvanto can supply customized kaolin grades based on customer requirements including particle size distribution brightness moisture residue packing options and other technical parameters subject to application requirements.
What packaging options are available
Korvanto supplies kaolin in export-ready packaging including:
25 kg Bags
50 kg Bags
Jumbo Bags (FIBC)
Palletized Shipments
Bulk Container Loads
Customized packaging and private labeling are also available upon request.
Which export documents are provided
Depending on customer requirements Korvanto can provide:
Technical Data Sheet (TDS)
Certificate of Analysis (COA)
Safety Data Sheet (SDS) where applicable
Commercial Invoice
Packing List
Certificate of Origin (where applicable)
Other export documentation as required
Can Korvanto develop application-specific kaolin grades
Yes. We work with customers to source and supply kaolin grades that meet specific processing and performance requirements for different industries and manufacturing applications.
Why choose Korvanto as your kaolin supplier
Korvanto combines reliable sourcing quality verification application-focused product selection export-ready packaging and responsive customer support to supply consistent kaolin products for global industrial markets.
Get Started
Request TDS / Request Quote
Share your grade requirements destination country and documentation needs. Our export team will provide a Technical Data Sheet certificate support and a tailored quotation for Korvanto Calcined Kaolin.