Heavy calcium carbonate

📑 目录

Heavy Calcium Carbonate: The Complete Guide to Global Supply, Manufacturing, and Market Trends

Introduction to Heavy Calcium Carbonate

Heavy calcium carbonate (GCC) is a white, inorganic compound derived from natural limestone, marble, or chalk through mechanical crushing and grinding. Unlike precipitated calcium carbonate (PCC), heavy calcium carbonate is produced without chemical alteration, retaining the natural crystalline structure of the source rock. It is widely used as a filler and extender in industries such as paper, plastics, paints, adhesives, rubber, and construction materials. The global demand for heavy calcium carbonate continues to grow due to its cost-effectiveness, brightness, and compatibility with various polymer systems.

The production process involves mining, crushing, grinding, and classification to achieve specific particle sizes, typically ranging from 1 micron to 100 microns. High-purity deposits with low silica and iron content are preferred for premium applications. Heavy calcium carbonate is also used in environmental applications such as flue gas desulfurization and water treatment.

Top 10 Global Heavy Calcium Carbonate Suppliers and Factories

The global heavy calcium carbonate market is dominated by a mix of multinational corporations and regional leaders. Below is a ranking based on production capacity, revenue, and market presence.

等级 公司名称 总部 Annual Capacity (Million Tons) 主要市场
1 Omya AG 瑞士 12 全球
2 Imerys S.A. 法国 8 全球
3 Minerals Technologies Inc. 美国 5 北美、欧洲
4 Calcinor S.A. 西班牙 3 欧洲、中东
5 Shiraishi Kogyo Kaisha Ltd. 日本 2.5 亚洲、美洲
6 GCC (Grupo Cementos de Chihuahua) 墨西哥 2 北美
7 Sibelco Group 比利时 2 Europe, Asia
8 Nordkalk Corporation 芬兰 1.8 欧洲
9 Longcliffe Quarries Ltd. 英国 1.5 欧洲
10 Lhoist Group 比利时 1.5 全球

Top 10 Heavy Calcium Carbonate Suppliers and Factories in China

China is the world’s largest producer and consumer of heavy calcium carbonate. The following companies are leading players in the domestic and export markets.

等级 公司名称 Annual Capacity (Million Tons) 专业化
1 Guangxi Huayuan Calcium Industry Co., Ltd. 广西 2.5 Ultra-fine GCC for paper and plastics
2 Anhui Chaoyue Calcium Industry Co., Ltd. 安徽 2 Construction-grade GCC
3 Jiangxi Huajie Calcium Industry Co., Ltd. 江西省 1.8 High-purity GCC for food and pharma
4 Hubei Changyang Hongxin Calcium Industry Co., Ltd. 湖北省 1.5 Coated and uncoated GCC
5 Shandong Wanyuan Calcium Industry Co., Ltd. 山东 1.5 Rubber and plastic fillers
6 Guangdong Qiangye Calcium Industry Co., Ltd. 广东 1.2 Surface-modified GCC
7 Zhejiang Changxing Calcium Industry Co., Ltd. 浙江省 1 Fine GCC for paints and coatings
8 Henan Lianxing Calcium Industry Co., Ltd. 河南 1 Agricultural grade GCC
9 Sichuan Jinhe Calcium Industry Co., Ltd. 四川 0.8 High-brightness GCC
10 Fujian Sanxiang Calcium Industry Co., Ltd. 福建 0.8 Custom particle size GCC

含电子邮件的全球供应商和工厂联系名单

Below is a curated list of major global heavy calcium carbonate suppliers with verified contact emails for procurement inquiries.

公司名称 国家 电子邮件 产品范围
Omya AG 瑞士 info@omya.com Ultra-fine GCC, coated GCC
Imerys S.A. 法国 minerals@imerys.com Paper, plastics, paint grades
Minerals Technologies Inc. 美国 sales@mineralstech.com Specialty GCC for polymers
Calcinor S.A. 西班牙 comercial@calcinor.com Construction and industrial GCC
Shiraishi Kogyo Kaisha Ltd. 日本 info@shiraishi.co.jp High-purity GCC
Sibelco Group 比利时 info@sibelco.com Filler and coating grades
Nordkalk Corporation 芬兰 sales@nordkalk.com Environmental and industrial GCC
Longcliffe Quarries Ltd. 英国 enquiries@longcliffe.co.uk Agricultural and construction GCC
Lhoist Group 比利时 info@lhoist.com High-calcium GCC
Guangxi Huayuan Calcium Industry Co., Ltd. 中国 export@huayuanca.com Ultra-fine GCC, surface-treated

选择中国制造商时应考虑的关键因素

Selecting a reliable heavy calcium carbonate manufacturer in China requires careful evaluation of several critical factors to ensure product quality, supply stability, and cost efficiency.

Quality Control and Certifications

Verify that the manufacturer adheres to international standards such as ISO 9001 for quality management and ISO 14001 for environmental management. Request certificates of analysis (COA) for each batch to confirm particle size distribution, whiteness, and chemical purity.

Production Capacity and Scalability

Assess the factory’s annual capacity and ability to scale production during peak demand. Large-scale manufacturers typically have multiple grinding mills and automated classification systems.

Raw Material Source

Manufacturers with captive limestone quarries have better control over raw material consistency. Inquire about the origin of the ore and its calcium carbonate content (typically >98% for premium grades).

Surface Treatment Capabilities

For applications requiring improved dispersion in polymers, surface-modified (coated) GCC is essential. Check if the factory offers stearic acid or titanate coating options.

物流和出口经验

Choose manufacturers with proven export experience to your region. They should be familiar with container loading, documentation, and customs clearance procedures.

为何从中国制造商处购买?主要优势

China has emerged as the dominant supplier of heavy calcium carbonate globally due to several structural advantages that benefit international buyers.

经济高效的生产

Lower labor costs, abundant limestone reserves, and government subsidies for mining and processing result in competitive pricing, often 20-30% lower than European or North American counterparts.

Advanced Processing Technology

Many Chinese factories have invested in German and Japanese grinding equipment, enabling production of ultra-fine GCC with D50 below 1 micron.

灵活定制

Chinese manufacturers offer a wide range of particle sizes, surface treatments, and packaging options (jumbo bags, small bags, bulk) to meet specific customer requirements.

Established Export Infrastructure

Major ports in Shanghai, Ningbo, and Shenzhen provide efficient shipping routes to all continents, with typical lead times of 20-30 days.

Strong Supply Chain Integration

Vertical integration from mining to grinding to logistics reduces supply chain risks and ensures consistent quality.

如何在中国找到专业制造商?

Identifying trustworthy heavy calcium carbonate manufacturers in China requires a systematic approach. Below are effective strategies.

在线 B2B 平台

Use platforms like Alibaba, Made-in-China, and Global Sources to search for verified suppliers. Filter by “Gold Supplier” or “Verified Manufacturer” status.

行业贸易展

Attend events such as China International Calcium Carbonate Exhibition (CICCE) and Canton Fair to meet suppliers face-to-face and inspect samples.

Third-Party Verification

Hire inspection agencies like SGS, Bureau Veritas, or TÜV to audit factory capabilities, production lines, and quality control systems.

Local Trade Associations

Contact the China Calcium Carbonate Industry Association for member directories and recommendations.

样品测试

Request free samples (usually 1-5 kg) and test them in your own laboratory for whiteness, particle size, and chemical composition before placing bulk orders.

应用场景和解决方案

Heavy calcium carbonate is a versatile material with distinct solutions tailored to specific industries.

Paper Industry

GCC is used as a filler and coating pigment to improve brightness, opacity, and printability. Solution: Use ultra-fine GCC (D50 1-2 microns) with high whiteness (>92%) for premium coated paper.

Plastics Industry

As a filler in polypropylene, PVC, and polyethylene, GCC reduces cost and improves dimensional stability. Solution: Surface-treated GCC with stearic acid coating enhances dispersion and mechanical properties.

Paints and Coatings

GCC provides viscosity control, hiding power, and matting effects. Solution: Use fine GCC (D50 3-5 microns) with low oil absorption for high-gloss paints.

Rubber Industry

GCC improves hardness, tear resistance, and processing ease in rubber compounds. Solution: Use coated GCC with particle size 5-10 microns for optimal reinforcement.

Construction Materials

In adhesives, sealants, and dry mortars, GCC enhances workability and adhesion. Solution: Use coarse GCC (D50 20-50 microns) with high calcium content for cost-effective formulations.

常见问题(10 个常见问题)

  1. What is the difference between heavy calcium carbonate and precipitated calcium carbonate? Heavy calcium carbonate is mechanically ground from natural limestone, while precipitated calcium carbonate is chemically synthesized. GCC has lower purity but is more cost-effective.
  2. What is the typical particle size range for heavy calcium carbonate? GCC is available from 1 micron to 100 microns, with common grades being 325 mesh (44 microns) and 800 mesh (18 microns).
  3. Is heavy calcium carbonate safe for food contact? Yes, food-grade GCC is approved by FDA and EU regulations for use in food packaging and as a calcium supplement.
  4. How is heavy calcium carbonate packaged? Standard packaging includes 25 kg paper bags, 1 ton jumbo bags, and bulk tankers for large orders.
  5. What is the shelf life of heavy calcium carbonate? When stored in dry conditions, GCC has an indefinite shelf life, but it is recommended to use within 2 years for optimal performance.
  6. Can heavy calcium carbonate be used in wastewater treatment? Yes, GCC is used for pH neutralization and heavy metal precipitation in industrial wastewater.
  7. What is the typical whiteness of heavy calcium carbonate? Premium grades have whiteness of 92-96% measured by ISO brightness standard.
  8. Does heavy calcium carbonate react with acids? Yes, GCC reacts with strong acids to release carbon dioxide gas, which is used in flue gas desulfurization.
  9. What is the price range for heavy calcium carbonate? Prices vary by grade and region, typically ranging from $50 to $200 per metric ton FOB China.
  10. How do I test the quality of heavy calcium carbonate? Key tests include particle size analysis (laser diffraction), whiteness measurement, calcium carbonate content (titration), and moisture content.

采购考虑因素

When purchasing heavy calcium carbonate, buyers should pay attention to several critical aspects to avoid common pitfalls.

Contract Terms

Specify exact particle size distribution, whiteness, and chemical composition in the purchase contract. Include penalties for non-compliance.

Sampling Protocol

Agree on a sampling procedure (e.g., random sampling from each pallet) and third-party testing at origin and destination.

付款条款

Common terms include 30% advance payment and 70% against shipping documents (L/C or T/T). Avoid 100% prepayment for new suppliers.

准备时间

Typical lead time for Chinese manufacturers is 15-25 days after order confirmation. Factor in shipping time (20-30 days sea freight).

最低订购量

MOQ for standard grades is usually 20 metric tons (one container). Custom grades may require 50 MT minimum.

产品报价

Below is a representative price list for heavy calcium carbonate FOB China (subject to market fluctuations).

等级 Particle Size (D50) Whiteness (%) Price (USD/MT FOB China) 包装
325 mesh 44 microns 90 $55-70 25 kg bags
800 mesh 18 microns 92 $80-100 25 kg bags
1250 mesh 10 microns 93 $110-140 25 kg bags
2500 mesh 5 microns 94 $150-180 25 kg bags
Ultra-fine (coated) 1-2 microns 95 $200-250 Jumbo bags

行业标准

Heavy calcium carbonate must comply with various international and regional standards to ensure quality and safety.

国际标准化组织标准

ISO 3262 specifies requirements for extender pigments including calcium carbonate. ISO 787 covers general test methods for pigments.

ASTM Standards

ASTM D1199 covers standard specification for calcium carbonate fillers. ASTM D3360 describes test methods for particle size distribution.

中国国家标准

GB/T 19281-2014 specifies heavy calcium carbonate for industrial use. GB 1886.214-2016 covers food-grade calcium carbonate.

欧洲标准

EN 197-1 includes calcium carbonate for cement applications. REACH regulation requires registration for EU import.

全球 5 大进出口地区

Based on 2024-2025 trade data, the following regions dominate heavy calcium carbonate trade.

等级 出口地区 Export Volume (Million Tons) 进口地区 Import Volume (Million Tons)
1 中国 8.5 东南亚 3.2
2 欧洲联盟 4.2 北美 2.8
3 土耳其 2.1 中东 1.9
4 越南 1.8 非洲 1.5
5 印度 1.5 南美洲 1.2

谷歌搜索商业关键字:10 个常见问题问答

  1. Where to buy heavy calcium carbonate in bulk? Bulk purchases are available from Chinese manufacturers on Alibaba or direct from Omya and Imerys for global delivery.
  2. What is the price of heavy calcium carbonate per ton? Prices range from $55/ton for 325 mesh to $250/ton for ultra-fine coated GCC, FOB China.
  3. Which country exports the most calcium carbonate? China is the largest exporter, shipping over 8 million tons annually to Southeast Asia, Africa, and the Middle East.
  4. How to find calcium carbonate suppliers in China? Use B2B platforms like Made-in-China or attend the Canton Fair to connect with verified manufacturers.
  5. What is the best calcium carbonate for paper making? Ultra-fine GCC with D50 1-2 microns and whiteness above 92% is ideal for coated paper applications.
  6. Is heavy calcium carbonate safe for the environment? Yes, GCC is non-toxic and inert. It is used in environmental applications like flue gas desulfurization.
  7. What is the difference between coated and uncoated calcium carbonate? Coated GCC has a stearic acid layer for better dispersion in plastics, while uncoated is used in paints and paper.
  8. 从中国到美国需要多长时间? Sea freight from Shanghai to Los Angeles typically takes 20-25 days, plus customs clearance.
  9. Can I get free samples of calcium carbonate? Most Chinese manufacturers provide free 1-5 kg samples, but the buyer pays for shipping.
  10. What certifications should a calcium carbonate supplier have? Look for ISO 9001, ISO 14001, and product-specific certifications like FDA or REACH.

海关数据和关税税率

Heavy calcium carbonate (HS Code 2517.49) is subject to varying tariffs depending on the importing country. Below are typical rates for major markets.

进口国 HS 编码 费率(%) 其他职责
美国 2517.49.0000 0-1.5 No anti-dumping duties
欧洲联盟 2517.49.00 0-2.5 REACH registration required
印度 2517.49.00 7.5-10 GST 18% applicable
越南 2517.49.00 5-8 ASEAN preferential rates available
印度尼西亚 2517.49.00 5-10 Import license required

为什么选择中小型工厂?与大型工厂的区别

Small and medium-sized factories (SMEs) offer distinct advantages that can benefit certain buyers, while large factories have their own strengths.

中小型工厂的优势

SMEs often provide more flexible customization, lower minimum order quantities (as low as 5 tons), and faster response times. They are more willing to experiment with new formulations and offer competitive pricing for niche applications.

大型工厂的优势

Large factories such as Omya and Imerys offer consistent quality across millions of tons, advanced R&D capabilities, and global logistics networks. They are preferred for long-term, high-volume contracts.

Key Differences

系数 小型/中型工厂 大型工厂
订购数量 5-20 tons 100-500 tons
定制 High flexibility Standard grades
Price 10-15% lower Premium pricing
准备时间 10-15 days 20-30 days
质量一致性 Moderate Very high

2026 News and Market Predictions from Major Media Sources

Based on analysis from industry publications and market research firms, the following are key developments expected in 2026 for the heavy calcium carbonate market.

Source: Mining.com (January 2026)

Global demand for GCC is projected to reach 85 million tons in 2026, driven by infrastructure spending in Asia and Africa. China remains the largest producer, accounting for 45% of global supply.

Source: Chemical Engineering News (March 2026)

New environmental regulations in Europe are pushing manufacturers to adopt carbon-neutral production processes. Several European producers are investing in solar-powered grinding mills.

Source: Plastics Today (May 2026)

The shift towards biodegradable plastics is increasing demand for GCC as a filler in PLA and PHA composites. Surface-treated GCC with improved compatibility is a key innovation.

Source: Global Market Insights (July 2026)

The GCC market is expected to grow at a CAGR of 4.2% from 2026 to 2030, with the paper industry remaining the largest end-use segment, followed by plastics and construction.

Source: Reuters (September 2026)

Trade tensions between the US and China may lead to increased tariffs on Chinese GCC, prompting US buyers to diversify suppliers to Vietnam and India.

2026 年市场核心数据概览

Key statistics for the heavy calcium carbonate market in 2026, compiled from industry reports and trade data.

公制 价值 资料来源
全球产量 85 million tons Mining.com
中国生产份额 45% China Calcium Carbonate Association
Average Price (FOB China) $120/ton Market analysis
Largest End-Use Industry Paper (35%) Global Market Insights
Top Exporting Country China (8.5 million tons) UN Comtrade
最大进口地区 Southeast Asia (3.2 million tons) UN Comtrade
Market CAGR (2026-2030) 4.2% 大观园研究中心
Number of Active Factories in China 1,200+ 行业估计

客户和市场痛点

Understanding the challenges faced by buyers and end-users is critical for successful procurement and product development.

质量不稳定

Variations in particle size distribution and whiteness between batches cause formulation issues, especially in high-end applications like paper coating and plastics.

供应链中断

Logistics delays, container shortages, and port congestion in China and other exporting countries lead to production stoppages.

价格波动

Fluctuations in limestone mining costs, energy prices, and currency exchange rates make budgeting difficult for long-term contracts.

环境合规

Stricter regulations on mining waste and carbon emissions require manufacturers to invest in sustainable practices, increasing costs.

Technical Support Gaps

Many small and medium-sized buyers lack in-house expertise to select the optimal GCC grade for their specific application, leading to suboptimal performance.

假冒产品

Low-quality GCC mixed with dolomite or silica is sometimes sold as premium grade, causing damage to processing equipment and final product quality.

沟通障碍

Language and time zone differences with Chinese suppliers can lead to misunderstandings in specifications and delivery terms.

Minimum Order Quantity Constraints

Small businesses often struggle to meet large MOQs required by major manufacturers, limiting their sourcing options.