Calcium Carbonate 2000mesh Super Fine Powder for Rubber Industry
1. Fundamental Characteristics
Calcium carbonate (CaCO₃) represents a premium inorganic compound characterized by its exceptional versatility as a functional additive. This odorless, non-irritating white powder demonstrates superior stability across various industrial applications, offering manufacturers an optimal combination of economic viability and technical performance.
2. Key Physical Parameters
- Appearance: Ultra-fine free-flowing powder
- Particle Morphology: Rhombohedral crystalline structure
- Mohs Hardness: 3.0
- Specific Gravity: 2.7-2.9 g/cm³
- Refractive Index: 1.59
- Whiteness Index: ≥96% (ISO 2470 standard)
- Moisture Content: <0.2% (inherently anhydrous)
- Oil Absorption: 15-35 g/100g (adjustable)
- Particle Size Range: 0.5-50μm (customizable distribution)
3. Chemical Properties
- Water Solubility: 0.0013 g/100mL at 20°C
- Solvent Resistance:
• Insoluble in ethanol (<0.01g/100mL)
• Non-reactive with aliphatic hydrocarbons - Acid Reactivity:
• Reacts with HCl (10% solution) at 1.176 g/mL density
• Dissolution rate in acetic acid: <0.1% at 25°C - Thermal Stability:
• Decomposition initiates at 825°C (CaO + CO₂)
• Thermal expansion coefficient: 4.4×10⁻⁶/°C - pH Value: 8.5-9.5 (10% aqueous suspension)
4. Competitive Advantages
- Economic Efficiency:
• Raw material cost reduction up to 40% vs. polymer resins
• Bulk density optimization for transportation savings - Performance Enhancement:
• 15-25% improvement in tensile strength (composite materials)
• 30-50% increase in abrasion resistance (coating systems)
• 0.5-1.5% linear expansion control (sealant formulations) - Sustainability Profile:
• Carbon footprint reduction: 0.3-0.5 tCO₂/t product
• Recyclability index: 98% in closed-loop systems
• Bio-based alternatives available upon request
5. Industrial Applications & Functional Benefits
A. Polymers & Advanced Materials
- PVC Compounds:
• 10-30 phr loading capacity
• Improves impact strength (15-20% ↑)
• Reduces extruder torque (12-18% ↓) - Engineering Plastics:
• Enhances HDT (Heat Deflection Temp) by 10-25°C
• Lowers coefficient of friction (0.15-0.25 μ) - Elastomers:
• 20-50% tear resistance improvement
• Compression set reduction: 8-12%
B. Coating Systems
- Architectural Paints:
• 60-80% TiO₂ replacement capability
• Wet scrub resistance: >10,000 cycles (ASTM D2486) - Industrial Coatings:
• HVLP spray compatibility
• Sag resistance: >250μm (ASTM D4401) - Powder Coatings:
• Gloss control: 10-85 GU (60° angle)
• Edge coverage enhancement
C. Paper Manufacturing
- Filler Applications:
• 5-35% substitution of wood pulp
• Brightness improvement: 2-4 points ISO - Coating Pigments:
• Parker Print Surf smoothness: <1.5 μm
• IGT Pick velocity: >250 cm/s
D. Construction Materials
- Tile Adhesives:
• Open time extension: 25-40 minutes
• Adjustable slump: 5-20 mm - Self-Leveling Compounds:
• Flowability: 240-280 mm (EN 12706)
• 24h compressive strength: >15 MPa
E. Food & Pharma Compliance
- Direct Food Additive (E170):
• FCC VII compliant
• Heavy metals: <10 ppm (Pb/As/Cd/Hg) - Pharmaceutical Excipient:
• USP-NF/EP/JP standards
• Microbial limits: <100 CFU/g
• BET surface area: 4-8 m²/g
6. Technical Specifications
| Parameter | Standard Grade | Surface-Treated Grade | Nano Grade |
|---|---|---|---|
| CaCO₃ Content (%) | ≥98.5 | ≥97.8 | ≥99.5 |
| MgCO₃ (%) | ≤0.8 | ≤0.7 | ≤0.3 |
| Fe₂O₃ (%) | ≤0.05 | ≤0.04 | ≤0.01 |
| D50 Particle Size (μm) | 2.5-5.0 | 1.8-3.2 | 0.08-0.15 |
| Specific Surface (m²/g) | 2.5-4.0 | 5.0-8.0 | 18-25 |
| Loss on Ignition (%) | ≤43.5 | ≤43.0 | ≤43.8 |
7. Packaging & Logistics
- Standard Packaging:
• 25kg multi-ply paper bags with PE liner
• 1MT bulk bags with UV protection - Specialty Options:
• 500kg super sacks with desiccant
• Pharma-grade double PE packaging - Storage Conditions:
• Temperature: <30°C
• Humidity: <65% RH
• Shelf Life: 36 months
8. Regulatory Compliance
- REACH registered (EC 207/2006)
- FDA 21 CFR 175.300 compliant
- EU Food Contact Regulation 10/2011
- Kosher & Halal certification available
- ISO 14001 environmental management
9. Safety & Handling
- GHS Classification: Non-hazardous substance
- PPE Requirements:
• N95 respirator for airborne particles
• Protective goggles during bulk handling
• Chemical-resistant gloves (NEOPRENE®) - Fire Safety: Non-combustible (NFPA 704: 0-0-0)
This comprehensive technical profile demonstrates calcium carbonate's unmatched versatility as a high-performance, cost-effective solution across 20+ industries. Our product engineers provide customized particle engineering services to optimize dispersion characteristics, surface activation, and compatibility with your specific formulation requirements.
| Item | Unit | Specification |
| Specific surface area | m²/g | 18500 |
| D97 | μm | 6.4 |
| Average particle size | μm | 1.8 |
| Max particle size | μm | 11.85 |
| Whiteness | % | 96 |
| Bulk density trapped | g/cm³ | 0.83 |
| True specific gravity | g/cm³ | 2.7 |
| PH value | / | 9±0.5 |
| Moisture | % | 0.3 |
| Oil absorption | cc/100g | 27 |
| Water absorption | cc/100g | 28 |
| Dop absorption | cc/100g | 49 |
| Residue on 325 mesh | % | 0 |
| Sediment volume | 60min | 48 |
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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 | ||
| 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 | ||
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.
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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.
Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of quot&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. |
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Our Advantages:
Rich Experience-over 20 years in industry field
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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 it′s primary business, focusing on promoting the deep integration between new technology and traditional industry, such as Internet, Internet of things, big data, intelligent manufacturing and blockchain.
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