Special Calcium Carbonate Powder for Papermaking High Purity
Product Overview
High-solids ground calcium carbonate (GCC) represents a technologically advanced mineral filler specifically engineered for modern paper manufacturing processes. This optimized filler material delivers significant performance advantages in both papermaking and coating applications, addressing multiple critical production parameters simultaneously.
Key Technical Advantages
Process Efficiency Enhancement
Superior Water Filtration Characteristics:
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30-40% faster drainage rates compared to conventional fillers
Reduces moisture retention by 15-20%
Enables higher machine speeds (up to 1200 m/min improvement potential)
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Paper Machine Performance
Improves wire section dewatering efficiency
Reduces press section steam demand
Minimizes dryer section energy consumption
Decreases felt contamination issues
Paper Quality Improvement
Optical Properties
Increases sheet brightness by 2-4 points (ISO scale)
Enhances opacity by 10-15%
Improves surface gloss uniformity
Delivers superior print contrast ratio
Physical Characteristics
Boosts tensile strength by 8-12%
Improves Z-directional strength
Enhases surface smoothness (PPS reduction of 0.2-0.5μm)
Optimizes ink receptivity and setting time
Particle Engineering Benefits
Optimal Particle Morphology
Precisely controlled particle size distribution:
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D50: 1.5-2.5μm
D90: <6μm
Top cut: <15μm
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Crystal Structure Advantages
Rhombohedral crystal form promotes:
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Better fiber bonding
Improved light scattering
Enhanced coating structure
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Coating Performance
Rheological Benefits
Reduces coating color viscosity by 20-30%
Improves high-shear rheology
Enhances runnability at high speeds
Structural Advantages
Increases coated paper stiffness
Improves fold endurance
Reduces dusting tendencies
Technical Comparison with Alternative Fillers
| Parameter | High-Solids GCC | Standard GCC | PCC | Kaolin |
|---|---|---|---|---|
| Moisture Retention | 15% lower | Baseline | 10% higher | 20% higher |
| Machine Speed Potential | +8% | Baseline | +3% | -5% |
| Brightness Improvement | +3.5 | +2.0 | +4.0 | +1.5 |
| Opacity Enhancement | +12% | +8% | +15% | +10% |
| Cost-Performance Ratio | Excellent | Good | Moderate | Fair |
Production Process Benefits
Energy Efficiency
Reduces drying energy requirements by 12-15%
Lowers overall steam consumption
Decreases thermal load on dryer section
Environmental Advantages
10-15% reduction in water usage
Lower BOD in whitewater systems
Reduced sludge volume
Recommended Application Parameters
Filler Applications
Optimal loading: 12-28% by weight
Preferred addition point: Thin stock
Retention aid requirements: Standard dosage
Coating Applications
Recommended inclusion: 30-60% of pigment blend
Binder demand: 12-14 parts per 100 parts pigment
Coating weight: 8-12 gsm per side
Quality Control Specifications
CaCO₃ content: ≥98%
Brightness: ≥92% ISO
325 mesh residue: ≤0.01%
Moisture content: ≤0.5%
Abrasion value: ≤5mg/2000 rev
Economic Benefits
Reduces pulp requirements by 15-20%
Lowers overall production costs
Increases machine productivity
Reduces downtime for cleaning
Sustainability Profile
Carbon footprint: 0.15 kg CO₂/kg
Fully recyclable in paper systems
REACH compliant
Food contact approved grades available
Technical Support Services
Machine trial supervision
Optimization of filler strategies
Coating color formulation assistance
Quality troubleshooting
This advanced high-solids GCC product has become an essential component for paper manufacturers seeking to optimize both quality and production efficiency. Its unique combination of physical characteristics and process benefits makes it particularly valuable in today's competitive paper markets where operational efficiency and product quality are paramount. Ongoing technical support ensures optimal implementation for each specific production environment.
|
Items |
Unit |
Specification |
|
Specific surface area |
g/cm³ |
8000 |
|
D97 |
μm |
45.0 |
|
Average particle size |
μm |
7.5 |
|
Max particle size |
μm |
48.00 |
|
Whiteness |
% |
94.5 |
|
PH value |
|
9 ± 0.5 |
|
Oil absorption |
c.c/100g |
19.5 |
|
Residue on 325 mesh |
% |
0.03 |
|
DOP absorption |
c.c/100g |
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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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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. |
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Rich Experience-over 20 years in industry field
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