6250 Mesh Calcined Kaolin - Superior Coverage for Coating Applications
Product Highlights
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Ultra-Fine Particle Technology
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Standard grade: 85-90% particles below 2μm
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Premium Z-1 grade: Over 92% particles below 2μm (China's finest calcined kaolin)
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Exceptionally low 325 mesh residue (≤0.02%)
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Significantly enhances paper smoothness and gloss
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Exceptional Mineral Purity
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Kaolinite content exceeding 97%
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Ultra-low impurity levels (Fe₂O₃ < 0.5%, TiO₂ < 0.3%)
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Consistent mineral composition batch-to-batch
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Superior Processing Characteristics
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Outstanding dispersion and fluidity
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Viscosity concentration up to 86.7%
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Enables coating formulations with >60% solids content
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Ideal for high-speed paper machines (up to 1800m/min)
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Technical Advantages
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Optimized Suspension Properties
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Bulk density: 0.25-0.35 t/m³
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Excellent thixotropic behavior
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Platelet structure enhances suspension stability
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Prevents settling in storage
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Equipment-Friendly Formulation
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Low abrasion value (Mohs hardness 3-4)
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Controlled mullite formation
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Minimizes wear on paper machine components
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Extends equipment service life
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Quality Specifications
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Physical Properties
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Brightness: 90-93% (ISO)
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Oil absorption: 70-90g/100g
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pH value: 6.5-7.5
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Moisture content: ≤0.5%
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Performance Characteristics
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Scattering coefficient: 45-50m²/kg
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Porosity: 1.8-2.2ml/g
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Refractive index: 1.62
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Application Benefits
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Paper Coating Advantages
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Improves ink receptivity
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Enhances print resolution
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Reduces picking tendency
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Increases opacity
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Production Efficiency
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Faster coating speeds
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Reduced binder demand
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Lower drying energy requirements
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Improved runnability
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Packaging & Storage
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25kg multi-wall paper bags
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500kg FIBC bulk bags
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24-month shelf life in dry conditions
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Moisture-proof packaging available
Technical Support
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Customized particle size distributions
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Application formulation assistance
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Quality consistency guarantees
TDD-Global.com is a professional China chemical B2B marketplace operated by IBI Company, dedicated to promoting global communication, business negotiation, and market expansion in the chemical industry. With a strong network of China chemical product suppliers and international buyers, TDD-Global creates a dynamic and efficient platform for sourcing, trading, and cooperation.
Under the brand name TUDUODUO, TDD-Global has built a trusted reputation among suppliers and buyers in sectors such as fine chemicals, raw materials, industrial additives, and advanced chemical solutions. We offer a wide range of services including product listing, online promotion, supply chain solutions, and international marketing support.
Our platform connects hundreds of verified China chemical suppliers with buyers worldwide, fostering transparent transactions, better business opportunities, and high-value partnerships. Whether you are looking for bulk commodities, specialty chemicals, or customized procurement services, TDD-Global is your go-to platform.
Driven by the innovative spirit of IBI Company, we are committed to building a smarter, faster, and more reliable global chemical trade ecosystem.
If you are interested in cooperation, strategic partnerships, or customized chemical sourcing, please feel free to contact us. Let's shape the future of the chemical industry together!
| 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 | ||
| International Commercial Terms(Incoterms): | FOB, CFR, CIF, FCA | ||
| Terms of Payment: | LC, T/T, D/P | ||
| Average Lead Time: | Peak Season Lead Time: one month, Off Season Lead Time: within 15 workdays | ||
| Number of Foreign Trading Staff: | 20~40 People | ||
| Main Markets: | Southeast Asia, Africa, Mid East | ||
| Nearest Port: | Tianjin,Qingdao,Shanghai | ||
| Import & Export Mode: | Have Own Export License | ||
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 for industrial products and raw materials in related industries. In terms of business model, it is called "the industrial version of Pinduoduo" and "the industrial version of JD.com".
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 Internet platform of Duoduo Series Platforms. The company mainly engages in B2B e-commerce transaction services for raw materials and industrial products, digital supply chain services, industrial digitalization services, and industrial big data services, 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 blockchain, etc.
Our company offers a variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first, and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers.
Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with an irresistible force.
In order to better satisfy our customers worldwide and maintain regular customers, our company takes raw material & industrial product B2B e-commerce transaction service, digital supply chain service, industry digitization service, and industry data service as its primary business, focusing on promoting the deep integration between new technology and traditional industry, such as the Internet, Internet of Things, big data, intelligent manufacturing, and blockchain.
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