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 | business_type_options | Company Size | 2000 |
| Established | December 18, 2014 | ||
| Address | |||
| Main Products | PVC Resin, PP, PE, PET, Titanium Dioxide, Pigment, Car Tire | ||
B2B cross-border e-commerce platform and the core subsidiary of Guolian Co., Ltd. (603613. Sh). Specialized in raw materials & industrial products for more than 20 years and provides wholesale products for customers worldwide. Currently, the main operating industry chains include: Pigment industry chain, Titanium industry chain, Solvent industry chain, Resin industry chain, Lubricating oil industry chain, Carbon black industry chain, Packaging industry chain, Medical industry chain, etc.
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