China Lanhua Brand High Whiteness Light Calcium Carbonate for Coatings, Rubber, Plastic, and Ink
Product Overview
Lanhua High Whiteness Light Calcium Carbonate (LCC) is a premium-grade synthetic filler engineered to revolutionize formulations in coatings, rubber, plastics, and ink industries. With a brightness ≥97% (ISO 2470) and ultra-fine particle size (D97: 2–5 µm), this product delivers superior dispersion, whiteness retention, and cost-efficiency while meeting REACH, FDA 21 CFR, and GB/T 19281-2014 standards. Packaged in 25 kg moisture-resistant bags or 1-ton bulk super sacks, Lanhua LCC is the optimal choice for manufacturers seeking to balance performance, sustainability, and regulatory compliance.
Key advantages include:
- TiO₂ Partial Replacement: Achieves 80–85% opacity equivalence at 20% lower cost (ASTM D2805).
- Halogen-Free & Heavy Metal Control: Pb/Cd/As ≤2 ppm, mercury-free (ICP-MS verified).
- Low-Carbon Footprint: 30% reduced CO₂ emissions vs. mined calcium carbonate (ISO 14064).
Key Features & Technical Benefits
1. Exceptional Physical & Chemical Properties
- Ultra-High Whiteness:
- Brightness ≥97% (ISO 2470) ensures vibrant color consistency in white/light-toned products.
- ΔE ≤1.0 after 1,000 hrs UV exposure (QUV-A, ASTM G154).
- Particle Structure:
- Rhombohedral crystals with 0.8–1.2 µm primary particles (SEM-verified).
- Specific surface area: 4–6 m²/g (BET method, ISO 9277).
- Chemical Stability:
- pH 8.5–9.5 (10% slurry, ISO 787-9).
- Solubility ≤0.015g/100mL in weak acids (pH ≥5).
2. Performance Enhancement Across Applications
- Coatings & Paints:
- Reduces PVC (Pigment Volume Concentration) by 12–15% while maintaining 85+ KU viscosity.
- Sag resistance up to 150 µm wet film thickness (ASTM D4400).
- Rubber Compounds:
- Increases tensile strength by 20% (ASTM D412) at 40–60 phr loading.
- Abrasion loss reduction: 25% vs. clay fillers (DIN 53516).
- Plastics & Masterbatches:
- Improves impact strength by 15% in PP composites (ISO 179).
- MFI variation ≤5% vs. virgin resin (ISO 1133).
- Ink Systems:
- Achieves 60° gloss ≥85 GU in solvent-based inks (ASTM D523).
- Reduces dot gain by 8% in gravure printing (ISO 12647-2).
3. Sustainability & Cost Efficiency
- Energy Savings:
- 20% faster extrusion rates in plastics (vs. ground calcium carbonate).
- Low oil absorption (18–22 g/100g) cuts resin demand by 10–15%.
- Circular Economy:
- Compatible with 30% post-industrial recycled plastics (GRS-certified).
- Biodegradable filler option for compostable polymers (EN 13432).
Technical Specifications
| Parameter | Specification | Test Method |
|---|---|---|
| Physical Properties | ||
| Particle Size (D97) | 2–5 µm | Laser Diffraction (ISO 13320) |
| Brightness (ISO) | ≥97% | ISO 2470 |
| Moisture Content | ≤0.3% | Karl Fischer (ISO 760) |
| Specific Gravity | 2.6–2.8 g/cm³ | Pycnometer (ISO 787-10) |
| Chemical Properties | ||
| CaCO₃ Purity | ≥98.5% | EDTA Titration (GB/T 19281) |
| MgO Content | ≤0.5% | XRF (ISO 29581-2) |
| Performance Metrics | ||
| Oil Absorption | 18–22 g/100g | ISO 787-5 |
| Thermal Stability | ≤1% weight loss at 400°C | TGA (ISO 11358) |
| Sieve Residue (45 µm) | ≤0.02% | Wet Sieving (ISO 787-7) |
Industry-Specific Applications
1. Coatings & Paints
- Architectural Emulsions:
- Hiding power: ≥95% at 35% PVC (ASTM D2805).
- Wet scrub resistance: Class 1 (EN 13300).
- Industrial Primers:
- Salt spray resistance: 1,200+ hrs (ASTM B117).
- Adhesion strength: ≥4B (ASTM D3359).
- Powder Coatings:
- 50% faster flow-out vs. GCC (ISO 8130-6).
- Gloss retention: ≤5% loss after 1,000h QUV-B.
2. Rubber Products
- Tire Sidewalls:
- Flex fatigue resistance: 100,000+ cycles (ASTM D430).
- Ozone resistance: No cracking at 50 pphm, 40°C (ASTM D1149).
- Seals & Gaskets:
- Compression set: ≤25% (ASTM D395).
- Tear strength: ≥30 kN/m (ASTM D624).
3. Plastics & Polymers
- Injection-Molded Parts:
- Warpage reduction: ≤0.5 mm/m (ISO 294-4).
- Cycle time reduction: 15–20% in PP/PE.
- Biodegradable Films:
- Oxygen transmission rate: ≤100 cm³/m²·day (ASTM D3985).
- Compostability: 90% degradation in 180 days (EN 13432).
4. Printing Inks
- Gravure Inks:
- Tack stability: ≤5% change over 72 hrs (ASTM D4361).
- Dot sharpness: ≥98% reproduction (ISO 12647-2).
- UV-Curable Inks:
- Cure speed: ≤1.5 J/cm² (DIN 55959).
- Adhesion to PET: 5B (ASTM D3359).
Competitive Advantages vs. Alternatives
| Property | Lanhua LCC | Ground Calcium Carbonate | Talc (325 Mesh) |
|---|---|---|---|
| Brightness | ≥97% | 85–92% | 88–90% |
| Abrasion Resistance | 25% higher | Baseline | 10% lower |
| Thermal Stability | Stable to 400°C | Stable to 300°C | Stable to 600°C |
| Cost Efficiency | $180–220/ton | $120–150/ton | $400–500/ton |
| Surface Smoothness | Ra ≤0.2 µm | Ra ≤0.5 µm | Ra ≤0.3 µm |
Production & Quality Assurance
- Synthesis Process:
- Carbonation method: Ca(OH)₂ + CO₂ → CaCO₃↓ (pH 8.5–9.0, 25°C).
- 4-stage classification to eliminate oversize particles.
- Surface Treatment:
- Stearic acid (1.0–2.5%) or titanate coupling agent options.
- Quality Control:
- Real-time particle size monitoring via laser analyzers.
- Batch-specific XRF/XRD analysis for crystal structure verification.
- ISO 17025-accredited lab testing for full regulatory compliance.
Packaging & Logistics
- Standard Packaging: 25 kg triple-layer kraft bags (PE + aluminum foil).
- Bulk Delivery: 1-ton FIBCs with dust-free discharge spouts.
- Global Compliance: IMDG, ADR, and IATA certified for safe transport.
- Shelf Life: 36 months in dry conditions (<30% RH, 15–25°C).
Why Choose Lanhua Light Calcium Carbonate?
- Multi-Industry Expertise: Tailored solutions for coatings, rubber, plastics, and inks.
- Technical Support: 24/7 R&D collaboration for formulation optimization.
- Sustainability Leadership: Zero wastewater discharge process, 30% renewable energy use.
- Supply Chain Excellence: 200,000-ton annual capacity, 10-day delivery across Asia.
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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
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.
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