Xinweiye Brand Calcium Carbonate 1250mesh Fine Powder for Industrial Use
Product Overview
Calcium carbonate stands as the cornerstone of industrial mineral applications, offering an unparalleled combination of natural abundance, cost efficiency, and versatile functionality. This odorless, non-toxic white powder exhibits exceptional physicochemical stability, making it the preferred choice for manufacturers across 30+ industries. Sourced from high-purity limestone deposits and processed through advanced micronization technologies, our calcium carbonate delivers consistent performance as both a primary filler and a functional additive in diverse formulations.
Key Physicochemical Properties
Inherent Stability
- Chemical Composition: 99.2% minimum CaCO₃ content
- Crystalline Structure: Calcite and aragonite polymorphs (thermally stable up to 825°C)
- Moisture Resistance: <0.2% water absorption at 65% RH
- Solubility Profile:
- Water: 0.0013 g/100ml at 20°C
- Organic solvents (ethanol, acetone): <0.01% solubility
- Acid Reactivity: Decomposes in dilute HCl/HNO₃ under heat (CaO + CO₂ evolution)
Optimized Physical Characteristics
- Particle Size: Adjustable from coarse 3μm granules to ultrafine 0.07μm nanoparticles
- Brightness: 96-98% ISO whiteness (optical enhancement in end products)
- Bulk Density: 0.75-1.15 g/cm³ (process-specific optimization available)
- Surface Area: 2-35 m²/g (BET method for dispersion control)
Cross-Industry Application Excellence
1. Polymer & Plastic Engineering
- PVC Products: Enhances impact strength by 15-25% at 30-50 phr loading
- Polyolefin Films: Reduces haze to <5% while maintaining 90%+ light transmission
- Automotive Composites: Lowers coefficient of thermal expansion by 0.8-1.2%
2. Coatings & Inks
- Architectural Paints: Achieves 10,000+ wet scrub cycles (ASTM D2486 compliance)
- Powder Coatings: Controls gloss levels between 15-85 GU at 60° angle
- Printing Inks: Delivers 95-102% ink receptivity on coated papers
3. Paper Manufacturing
- Filler Grade: Replaces 25-40% wood pulp with +3 ISO brightness improvement
- Coating Grade: Achieves Parker Print Surf smoothness <1.3μm
4. Construction Materials
- Tile Adhesives: Extends open time to 50-70 minutes without sagging
- Self-Leveling Compounds: Maintains 260-300mm flow diameter (EN 12706)
5. Consumer Goods
- Toothpaste: Safe abrasive action (RDA 35-50) with pH buffering
- Cosmetics: Improves SPF efficacy in sunscreens via light scattering
- Food Grade (E170): Provides 38.5% calcium fortification in baked goods
6. Advanced Technologies
- 3D Printing: Reduces warpage in PLA filaments by 60-75%
- Battery Components: Enhances separator thermal stability to 150°C
Competitive Advantages
Economic Value Creation
- Reduces formulation costs by 20-45% versus virgin polymer systems
- Enables 25-60% TiO₂ substitution in coatings without opacity loss
- Lowers processing energy consumption by 12-18% in extrusion applications
Technical Superiority
- Reinforcement: Increases tensile modulus in elastomers by 18-30%
- Rheology Control: Adjusts adhesive viscosity within 5,000-50,000 cP range
- Thermal Management: Boosts HDT in engineering plastics by 10-35°C
Sustainability Leadership
- Carbon Footprint: 0.28-0.33 tCO₂e/ton (cradle-to-gate)
- Circular Economy: 97% recyclability in closed-loop production
- Regulatory Compliance: Meets FDA 21 CFR 175.300, EU 10/2011, and REACH
Customization Capabilities
- Surface Modification:
- Stearic acid coating for hydrophobic polymer blends
- Silane treatment for composite interface enhancement
- Titanate coupling for high-loading masterbatches
- Particle Engineering:
- Narrow PSD control (Span <1.2) for precision formulations
- Nano-grade dispersion (D90 <150nm) for transparent composites
- Acid-resistant coating for pH <3 environments
Quality Assurance & Logistics
Stringent Quality Control
- XRF-verified purity ≥98.5% CaCO₃
- Heavy metal limits: Pb <2ppm, As <1ppm, Hg <0.1ppm
- Microbial counts: <100 CFU/g for pharmaceutical grades
Global Supply Solutions
- Packaging: 25kg moisture-proof bags to 1MT bulk super sacks
- Shelf Life: 36 months in original sealed packaging
- Compliance: IMDG non-hazardous classification for sea freight
This premium-grade calcium carbonate redefines industrial material economics, combining nature’s abundance with cutting-edge processing technology. Our technical team provides application-specific support from prototype development to commercial-scale integration, ensuring optimal performance in your unique formulation environment.
Item | Unit | Specification |
Specific surface area | m²/g | 23500 |
D97 | μm | 3.8 |
Average particle size | μm | 1.2 |
Max particle size | μm | 6.76 |
Whiteness | % | 96 |
Bulk density trapped | g/cm³ | 0.52 |
True specific gravity | g/cm³ | 2.7 |
PH value | / | 9±0.5 |
Moisture | % | 0.3 |
Oil absorption | cc/100g | 28 |
Water absorption | cc/100g | 30 |
Dop absorption | cc/100g | 55 |
Residue on 325 mesh | % | 0 |
Sediment volume | 60min | 68 |



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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.
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
Ranges of products categories with quality guarantee
Competitive&Favourable price
7*24hours thoughtful pre-sale, on-sale, after-sale service
Overseas warehouse with all time delivery
Our services:
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.