Kaolin 1250mesh K-60 Fine Powder for Ceramic Industry
Product Overview
K-60 represents a premium grade of calcined kaolin engineered through precise thermal treatment and particle size optimization. This lamellar-structured anhydrous aluminum silicate (Al₂SiO₅) powder undergoes proprietary processing to achieve exceptional performance characteristics, making it an indispensable functional additive across multiple industries.
Manufacturing Process
Precision grinding using jet mill technology to achieve ultrafine particle distribution
Controlled calcination at 1000-1100°C to optimize crystal structure
Advanced classification systems ensuring consistent particle morphology
Surface modification options available for specialized applications
Key Physical Properties
Whiteness Index: 92-96% (ISO 2470 standard)
Particle Size: D50 = 1.2-1.8μm (laser diffraction)
325 Mesh Residue: ≤0.02% (wet screening)
Oil Absorption: 35-45g/100g (ASTM D281)
Specific Gravity: 2.58-2.63 g/cm³
Refractive Index: 1.62
Chemical Composition
SiO₂: 52-54%
Al₂O₃: 44-46%
Fe₂O₃: ≤0.5%
TiO₂: ≤0.3%
LOI (1000°C): ≤0.8%
Performance Advantages in Coatings
TiO₂ Extension: Achieves 15-25% titanium dioxide replacement without compromising opacity
Film Reinforcement:
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40-50% improvement in scrub resistance (ASTM D2486)
30% enhancement in crack resistance
Reduced mudcracking in high-build formulations
-
Optical Performance:
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Controlled light scattering efficiency
Improved dry hide characteristics
Enhanced brightness and color retention
-
Cost Optimization Benefits
Raw material cost reduction of 8-12% in typical formulations
Improved dispersion reduces milling energy by 15-20%
Higher loading capacity versus conventional extenders
Reduced binder demand due to low oil absorption
Polymer Applications
Rubber Industry:
Excellent reinforcement for mechanical goods
Improves dimensional stability in vulcanizates
Reduces compound viscosity for better processing
Enhances electrical insulation properties
Plastics Applications:
Improves stiffness and heat deflection temperature
Reduces warpage in semi-crystalline polymers
Enhances surface finish in extruded profiles
Maintains impact strength at high loadings
Technical Comparison with Standard Kaolins
| Property | K-60 | Conventional Kaolin |
|----------|------|---------------------|
| Whiteness | 94% | 85-88% |
| 325 Mesh Residue | 0.02% | 0.5-1.0% |
| Oil Absorption | 40g/100g | 60-80g/100g |
| TiO₂ Replacement | 20% | 8-12% |
| Scrub Resistance | +45% | +15-20% |
Quality Assurance
ISO 9001:2015 certified production
Batch-to-batch consistency guaranteed
Full traceability from mine to final product
Comprehensive technical data sheets available
Recommended Formulation Guidelines
Coatings: 5-15% by weight in waterborne systems
Plastics: 10-25% in polyolefin compounds
Rubber: 15-40% in mechanical goods
Inks: 3-8% in publication gravure inks
Handling & Storage
25kg multi-wall paper bags with PE liner
Bulk silo loading available
12-month shelf life in dry conditions
Non-hazardous material classification
Sustainability Profile
30% lower carbon footprint vs. alternative extenders
Naturally occurring mineral resource
REACH compliant
Food contact approvals available
This advanced calcined kaolin product continues to gain recognition as a high-performance, cost-effective solution for formulators seeking to optimize their material systems while maintaining superior product performance. Technical support and application development services are available to assist with specific formulation challenges.
Item | Unit | Spacification |
Brightness | R457,% | 90min |
Particle size | -10 μm | 95 % |
Oil absorption | g/100g | 47.5 ± 2.5 |
Screen residue | 325mesh % | 0.01 g/cm³ |
PH value | / | 6.0-7.5 |
Moisture | kg/L | 0.8 g/cm³ |
Volume density | g/cm³ | 0.5-0.7 |
True density | g/cm³ | 2.65-2.75 |



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Company Name | Beijing TDD E-commerce Co., Ltd | Country/Region | China |
Business Type | Online Store | Company Size | 2000 |
Established | December 18, 2014 | ||
Address | Building No.3, Area 6, No.188, West of South Forth Ring Rd, Beijing, China | ||
Main Products | PVC Resin , PP , PE , Pet , Titanium Dioxide , Pigment , Car Tire | ||
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About Beijing United Information Technology Co., Ltd.
Beijing United Information Technology Co., Ltd. (Stock Code: 603613. SH), founded in 2002 and listed on the Main Board in July 2019, is mainly engaged in industrial e-commerce and industrial Internet platforms. Based on industrial e-commerce and supported by industrial big data and industrial digitalization, the company provides online commodity trading, business information services and digital technology services of industrial products and raw materials for related industries. In terms of business model, it is called "the industrial version of Pinduoduo" and "the industrial version of JD.com".
About Beijing TDD E-commerce Co., Ltd.
Beijing TDD E-commerce Co., Ltd. (shortly named TDD Global) is the core subsidiary of Guolian Corporation (Stock Code: 603613.SH) and the first industrial Internetplatform of Duoduo Series Platforms. The company mainly engages in B28 e-commerce transaction serices of raw material and industrial products, digital supply chain serices, industrial digitalization serices and industrial big data serices, and is committed to promoting the deep integration of traditional industries and new technologies such as the Internet, Internet of Things, big data, intelligent manufacturing and block chain, etc.
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