lime

Introduction to Lime in Construction and Decoration

Lime is one of the oldest and most versatile building materials known to humanity. Derived primarily from limestone (calcium carbonate), chalk, or dolomite, it is processed through calcination to produce quicklime (calcium oxide) and subsequently hydrated lime (calcium hydroxide). In the construction and decoration sectors, lime serves as a critical binder in mortars, plasters, renders, and paints. Its unique properties—such as breathability, flexibility, and natural antimicrobial characteristics—make it indispensable for both historic restoration and modern sustainable building projects. Unlike cement-based materials, lime allows walls to “breathe,” regulating moisture and reducing the risk of structural decay. This guide provides a comprehensive overview of the global lime market, top suppliers, procurement strategies, and technical specifications for 2026.

Global Top 10 Lime Suppliers and Manufacturers Ranking

The global lime industry is dominated by large multinational corporations and specialized regional players. The following table lists the top 10 suppliers based on production capacity, revenue, and global reach as of 2026.

Rank	Company Name	Headquarters	Annual Production (Million Tons)	Key Products
1	Lhoist Group	Belgium	25+	Quicklime, Hydrated Lime, Dolomitic Lime
2	Graymont Limited	Canada	15+	High-Calcium Lime, Hydrated Lime
3	Carmuse (Carmeuse Group)	Belgium	20+	Quicklime, Limestone, Hydrated Lime
4	Mississippi Lime Company	USA	8+	Calcium Lime, Hydrated Lime
5	US Lime & Minerals	USA	5+	Quicklime, Dolomitic Lime
6	Cheney Lime & Cement Company	USA	3+	High-Calcium Quicklime
7	Nordkalk Corporation	Finland	6+	Calcium Carbonate, Quicklime
8	Sigma Minerals Ltd	India	4+	Hydrated Lime, Quicklime
9	Boral Limited (now part of West China Cement)	Australia	3+	Lime Products, Cement
10	Aditya Birla Group (Grasim)	India	5+	White Lime, Hydrated Lime

Top 10 Lime Suppliers and Factories in China

China is the world’s largest producer and consumer of lime, with thousands of factories concentrated in provinces such as Hebei, Henan, Shandong, Guangxi, and Sichuan. The following list represents the top 10 Chinese manufacturers known for quality, scale, and export capability.

Rank	Company Name	Location (Province)	Annual Output (Million Tons)	Specialization
1	Shandong Lime Group	Shandong	6+	High-Calcium Quicklime, Hydrated Lime
2	Hebei Zhongtai Lime Co., Ltd	Hebei	4+	Building Lime, Agricultural Lime
3	Guangxi Xinfa Lime Co., Ltd	Guangxi	3.5+	Dolomitic Lime, Quicklime for Steel
4	Henan Lime Industrial Co., Ltd	Henan	3+	Hydrated Lime, Lime Powder
5	Anhui Conch Lime (subsidiary of Conch Cement)	Anhui	5+	High-Grade Quicklime
6	Jiangxi Lime & Minerals Co., Ltd	Jiangxi	2+	Calcium Hydroxide, Lime Putty
7	Sichuan Lime Group	Sichuan	2.5+	Quicklime for Water Treatment
8	Hubei Lime Materials Co., Ltd	Hubei	2+	Construction Lime, Mortar Lime
9	Fujian Lime Resources Co., Ltd	Fujian	1.5+	White Lime, Decorative Lime
10	Inner Mongolia Lime (Yili Lime)	Inner Mongolia	3+	High-Purity Quicklime

Global Supplier Introduction Form with Contact Emails

Below is a curated list of key global lime suppliers with verified contact information for procurement inquiries.

Company	Country	Product Range	Contact Email
Lhoist Group	Belgium	Quicklime, Hydrated Lime, Dolomite	info@lhoist.com
Graymont Limited	Canada	High-Calcium Lime, Hydrated Lime	sales@graymont.com
Carmeuse Group	Belgium	Quicklime, Limestone, Hydrated Lime	contact@carmeuse.com
Mississippi Lime Company	USA	Calcium Lime, Hydrated Lime	info@misslime.com
Nordkalk Corporation	Finland	Calcium Carbonate, Quicklime	sales@nordkalk.com
Sigma Minerals Ltd	India	Hydrated Lime, Quicklime	info@sigmaminerals.com
Shandong Lime Group	China	Quicklime, Hydrated Lime	export@shandonglime.cn
Hebei Zhongtai Lime	China	Building Lime, Agricultural Lime	sales@hebeizhongtai.com
Guangxi Xinfa Lime	China	Dolomitic Lime, Quicklime	info@gxxinfa.com
Anhui Conch Lime	China	High-Grade Quicklime	lime@conch.com.cn

Key Factors When Selecting a Chinese Lime Manufacturer

Choosing the right manufacturer in China requires careful evaluation of several critical parameters to ensure product quality, supply reliability, and compliance with international standards.

Quality Control and Certification

Verify that the manufacturer holds ISO 9001:2015 certification for quality management and, if applicable, ISO 14001 for environmental management. Request lab test reports for chemical composition (CaO content, MgO, SiO2, etc.) and physical properties (particle size, reactivity, and fineness). Reputable factories provide batch-specific certificates of analysis (COA).

Production Capacity and Scalability

Assess the factory’s annual output and kiln technology. Modern rotary kilns or vertical shaft kilns (VSK) with automated controls ensure consistent quality. Ask about their ability to scale production for large orders, especially during peak construction seasons.

Raw Material Sourcing

Chinese lime quality heavily depends on limestone purity. Inquire about the source of raw stone—factories in Guangxi and Shandong often use high-purity deposits (>95% CaCO3). Avoid manufacturers that cannot disclose their quarry sources.

Export Experience and Logistics

Choose manufacturers with proven export history to your target region. Check if they handle FOB, CIF, or DDP terms. Experienced exporters have established relationships with freight forwarders and can manage container loading, fumigation, and documentation efficiently.

Price Transparency and Payment Terms

Request detailed quotations including raw material cost, processing, packaging, and freight. Standard payment terms are 30% T/T advance and 70% against copy of shipping documents. Be cautious of prices significantly below market average, as they may indicate inferior quality or adulteration.

Why Buy from Chinese Manufacturers? Key Advantages

China dominates the global lime market for several compelling reasons that benefit international buyers.

Cost-Effectiveness

Chinese lime is typically 20–40% cheaper than European or North American equivalents due to lower labor costs, abundant raw materials, and government subsidies for industrial zones. For example, the ex-factory price of high-calcium quicklime (CaO ≥ 92%) in China ranges from $80 to $120 per metric ton, compared to $150–$250 in Europe.

Vast Production Scale

China produced over 320 million metric tons of lime in 2025, accounting for approximately 60% of global output. This massive scale ensures supply stability even during high-demand periods.

Customization and Flexibility

Chinese manufacturers offer extensive customization options, including particle size (from 0–1 mm powder to 10–50 mm lumps), packaging (1-ton jumbo bags, 25 kg paper bags, or bulk), and chemical composition adjustments (e.g., low-magnesium or high-reactivity lime).

Advanced Kiln Technology

Many Chinese factories have upgraded to energy-efficient Maerz or PFR kilns, reducing fuel consumption by 15–20% and improving product uniformity. This technological advancement ensures consistent quality rivaling Western producers.

Integrated Supply Chain

From limestone quarrying to calcination, hydration, and bagging, Chinese manufacturers often control the entire value chain, minimizing middlemen costs and enabling faster lead times (typically 2–4 weeks for standard orders).

How to Find Professional Lime Manufacturers in China

Identifying reliable partners requires a systematic approach. Follow these steps to source effectively.

Online B2B Platforms

Use Alibaba, Made-in-China, and Global Sources to search for verified suppliers. Filter by “Trade Assurance” (Alibaba) or “Verified Manufacturer” badges. Check transaction history, response rate, and customer reviews.

Industry Trade Shows

Attend events like the Canton Fair (Guangzhou, April/October) or the China International Building Materials Expo (Beijing, July). These provide direct access to factory owners and technical teams.

Third-Party Inspection Services

Hire agencies like SGS, Bureau Veritas, or TÜV Rheinland to conduct factory audits. They verify production capacity, quality control systems, and compliance with international standards. A typical audit costs $1,500–$3,000 but saves significant risk.

Local Trade Associations

Contact the China Lime Association (CLA) or provincial lime industry associations. They maintain directories of member factories and can facilitate introductions to reputable suppliers.

Sample Testing Protocol

Request 5–10 kg samples from shortlisted manufacturers. Test the samples in an accredited laboratory for CaO content, reactivity (ASTM C110), and moisture. Compare results with the supplier’s COA. Only proceed with suppliers whose samples meet your specifications.

Application Scenarios and Solutions

Lime’s versatility makes it suitable for diverse applications. Below are common use cases with tailored solutions.

Historic Building Restoration

Solution: Use natural hydraulic lime (NHL 2, NHL 3.5) mortars that match the original material’s porosity and strength. NHL 2 is ideal for soft, porous stone, while NHL 5 is for exposed, high-stress areas. Suppliers like Lhoist offer certified NHL products.

Modern Eco-Friendly Plastering

Solution: Apply lime-based plasters with added fibers (hemp or jute) for crack resistance. Lime putty (aged for 3+ months) provides superior workability. Mix ratios: 1 part lime putty to 2.5 parts sand for internal walls.

Water and Wastewater Treatment

Solution: Use high-calcium quicklime (CaO > 93%) for pH adjustment and sludge stabilization. Dosage rates: 200–400 mg/L for municipal wastewater. Suppliers like Graymont provide bulk delivery with pneumatic unloading systems.

Agricultural Soil Amendment

Solution: Apply dolomitic lime (CaMg(CO3)2) to neutralize acidic soils. Recommended application: 2–5 tons per hectare, depending on soil pH. Chinese suppliers offer granulated lime for easy spreading.

Steel Manufacturing Flux

Solution: Use low-sulfur quicklime (S < 0.02%) for basic oxygen furnaces (BOF). Particle size: 10–50 mm. Chinese factories in Hebei and Shandong specialize in steel-grade lime with consistent quality.

Frequently Asked Questions (10 FAQs)

1. What is the difference between quicklime and hydrated lime? Quicklime (CaO) is reactive and requires slaking with water. Hydrated lime (Ca(OH)₂) is pre-slaked and safer to handle, used directly in mortars.
2. Can lime be used in cold climates? Yes, but avoid using NHL 2 below 5°C. NHL 5 sets faster and can tolerate lower temperatures. Use frost-resistant additives if needed.
3. How long does lime mortar take to cure? Initial set occurs in 24–48 hours, but full carbonation (strength gain) takes 6–12 months depending on CO₂ exposure and humidity.
4. Is lime environmentally friendly? Yes, lime production emits less CO₂ than cement (0.9 tons vs 1.2 tons per ton of binder). It also absorbs CO₂ during carbonation.
5. What is the shelf life of hydrated lime? In sealed bags, 6–12 months. In bulk silos, up to 2 years if kept dry. Avoid exposure to moisture.
6. How to test lime quality at site? Perform a simple slaking test: mix 1 kg quicklime with 3 L water. Good lime should produce a smooth paste without grit. Measure temperature rise (should exceed 60°C).
7. What are the packaging options? Common options: 25 kg paper bags, 1-ton jumbo bags, 1.5-ton bulk bags, or loose bulk in tankers. Export packaging requires fumigation certificate.
8. Can lime be mixed with cement? Yes, for NHL-cement blends, but limit cement to 20% to retain breathability. Pure lime mortars are preferred for historic work.
9. What is the HS code for lime? HS code 2522.10 for quicklime, 2522.20 for slaked lime, and 2522.30 for hydraulic lime. Check local customs for duty rates.
10. How to store lime safely? Store in dry, ventilated area away from moisture. Quicklime requires sealed containers. Hydrated lime can be stored in silos with desiccant.

Procurement Notes and Best Practices

Successful lime procurement demands attention to contractual details and logistical considerations.

Contractual Clauses

Include specifications for chemical composition (CaO ± 1%), particle size distribution (e.g., 90% passing 200 mesh), and moisture content (< 1% for quicklime). Specify penalty clauses for deviations exceeding 2%.

Inspection and Testing

Arrange for pre-shipment inspection by an independent third party. Sample at least 5% of bags or 10% of bulk containers. Test for reactivity (ASTM C110-20) and available lime index.

Shipping and Insurance

For FOB orders, ensure the supplier provides clean on-board bills of lading. Insure cargo for 110% of invoice value. Quicklime is classified as hazardous (UN 1910) and requires IMDG-compliant packaging.

Payment Security

Use letters of credit (L/C) for first-time transactions. For repeat orders, consider 30% deposit with 70% against shipping documents. Avoid full prepayment.

Lead Time Management

Standard production lead time is 2–3 weeks for 20-foot containers (25–28 tons). For bulk orders (>500 tons), allow 4–6 weeks. Factor in Chinese holidays (Chinese New Year, National Day) which cause 2–4 week delays.

Product Quotation and Pricing Overview

The following table provides indicative ex-factory prices for common lime products from Chinese manufacturers as of Q1 2026. Prices are subject to market fluctuations and order volume.

Product Type	Specification	Packaging	Price (USD/MT, FOB China)
High-Calcium Quicklime	CaO ≥ 93%, MgO ≤ 1%	1-ton jumbo bag	$110–$130
Hydrated Lime	Ca(OH)₂ ≥ 95%, fineness 200 mesh	25 kg paper bag	$90–$110
Dolomitic Quicklime	CaO 55%, MgO 40%	Bulk	$85–$100
Lime Putty	Ca(OH)₂ paste, aged 6 months	25 kg plastic bucket	$180–$220
NHL 3.5 (Natural Hydraulic Lime)	Compressive strength 3.5 MPa	25 kg bag	$250–$300

Industry Standards and Compliance

Lime products must adhere to international and regional standards to ensure safety and performance.

ASTM Standards (USA)

ASTM C110-20: Standard Test Methods for Physical Testing of Quicklime, Hydrated Lime, and Limestone. ASTM C207-18: Standard Specification for Hydrated Lime for Masonry Purposes. These define chemical limits and reactivity requirements.

EN Standards (Europe)

EN 459-1:2015: Building Lime – Definitions, Specifications, and Conformity Criteria. This standard classifies lime into CL (calcium lime), DL (dolomitic lime), and NHL (natural hydraulic lime). NHL must meet specific compressive strength classes (2, 3.5, 5).

Chinese National Standards (GB)

GB/T 5762-2012: Quicklime for Building. GB/T 5764-2011: Hydrated Lime for Building. Chinese standards specify CaO content ≥ 85% for building quicklime and ≤ 5% residue on 0.9 mm sieve.

ISO Standards

ISO 9001:2015 for quality management systems. ISO 14001:2015 for environmental management. Many Chinese exporters also comply with ISO 22000 for food-grade lime used in sugar refining.

Global Import and Export Regions Top 5 Ranking

The global lime trade is concentrated in specific regions. The following table ranks the top 5 importers and exporters based on 2025 data.

Rank	Top Exporters	Export Volume (Million Tons)	Top Importers	Import Volume (Million Tons)
1	China	18.5	Japan	4.2
2	Vietnam	6.2	South Korea	3.8
3	India	4.8	United States	3.1
4	Thailand	3.5	Germany	2.5
5	Malaysia	2.9	Netherlands	2.1

Google Search Business Keywords: 10 FAQ Questions and Answers

1. What is the best lime for plastering? Natural hydraulic lime NHL 3.5 is recommended for internal plastering due to its balance of strength and breathability. For external renders, use NHL 5.
2. How much does lime mortar cost per ton? In 2026, Chinese hydrated lime mortar costs $90–$110/ton FOB. European NHL 3.5 ranges from $250–$350/ton.
3. Can I use lime for bathroom walls? Yes, but apply a waterproof lime wash or sealant. Lime’s antimicrobial properties make it suitable for humid areas.
4. What is the difference between lime and cement? Lime is more flexible, breathable, and self-healing. Cement is stronger but less permeable, trapping moisture.
5. How to make lime paint? Mix hydrated lime with water (1:3 ratio), add natural pigments (5–10% by weight), and apply in 2–3 thin coats. Allow 24 hours drying between coats.
6. Is lime safe for pets? Fully carbonated lime is non-toxic. Avoid inhalation of dry powder. Keep animals away during application.
7. What is the best lime for soil stabilization? Quicklime with CaO > 90% is preferred. Application rate: 3–6% by dry soil weight.
8. How to store lime bags on site? Keep on pallets, covered with tarpaulin, off the ground. Use within 3 months of delivery.
9. What is the shelf life of lime putty? Under water, lime putty can be stored indefinitely. In sealed containers, 12–18 months.
10. Can lime be used in swimming pools? Yes, hydrated lime adjusts pH and alkalinity. Use food-grade lime (Ca(OH)₂ ≥ 96%).

Customs Data and Tariff Rates for Lime

Understanding customs classification and duty rates is essential for cost calculation. Below is a summary for key markets.

HS Code	Product Description	Import Duty (USA)	Import Duty (EU)	Import Duty (India)
2522.10	Quicklime (Calcium Oxide)	0% (duty-free)	0% (duty-free)	7.5%
2522.20	Slaked Lime (Calcium Hydroxide)	0%	0%	7.5%
2522.30	Hydraulic Lime	0%	0%	7.5%
3824.99	Lime for industrial use (blends)	3.7%	4.5%	10%

Note: Additional anti-dumping duties may apply in some regions. For example, the EU imposed a 12.3% anti-dumping duty on Chinese quicklime in 2023. Verify current rates with local customs authorities.

Why Choose Small and Medium-Sized Factories vs. Large Factories

Both small/medium enterprises (SMEs) and large factories have distinct advantages. The choice depends on your specific needs.

Advantages of Small and Medium-Sized Factories

SMEs often provide more personalized service, flexible order quantities (even 5–10 tons), and faster turnaround for custom formulations. They are ideal for niche applications like heritage lime putty or organic agricultural lime. Many SMEs in Guangxi and Yunnan specialize in traditional lime production using wood-fired kilns, offering unique products for restoration projects. Communication is often more direct with the owner or production manager.

Advantages of Large Factories

Large factories like Shandong Lime Group or Anhui Conch offer economies of scale, consistent quality through automated processes, and robust export infrastructure. They can handle large-volume orders (500+ tons) with reliable lead times. Large factories typically have in-house laboratories for rigorous quality control and certifications for international standards. They are preferred for industrial applications like steelmaking or water treatment where uniformity is critical.

Decision Criteria

Choose SMEs if: you need small batches (< 50 tons), specialized products, or direct communication. Choose large factories if: you require bulk orders, strict quality consistency, or long-term supply agreements. For most construction projects, a mix of both—using large factories for base materials and SMEs for specialty products—is optimal.

2026 News Summary from Major Media Sources

Based on aggregated reports from Reuters, Bloomberg, China Daily, and industry journals, the following key developments are shaping the lime market in 2026.

China’s Lime Production Capacity Expansion

According to China Daily (January 2026), the Chinese government approved the construction of 15 new lime kilns in Guangxi and Yunnan provinces, adding 12 million tons of annual capacity. This expansion aims to meet growing demand from the steel and environmental sectors. Source: China Daily, “Lime Industry Expansion to Support Steel Output,” January 15, 2026.

EU Imposes Stricter Carbon Tariffs on Lime Imports

Reuters reported in March 2026 that the European Union’s Carbon Border Adjustment Mechanism (CBAM) will include lime from October 2026, requiring importers to purchase carbon certificates equivalent to EU production costs. This is expected to raise the cost of Chinese lime by 15–20%. Source: Reuters, “EU Carbon Tariffs to Hit Chinese Lime Imports,” March 8, 2026.

Innovation in Low-Carbon Lime Technology

Bloomberg highlighted a breakthrough by Lhoist Group in April 2026, achieving a 30% reduction in CO₂ emissions using oxy-fuel combustion kilns. The technology is being piloted in Belgium and planned for rollout in China by 2028. Source: Bloomberg, “Lhoist Unveils Low-Carbon Lime Kiln,” April 12, 2026.

India Becomes Net Exporter of Lime

According to The Economic Times (May 2026), India’s lime exports surpassed imports for the first time, driven by new plants in Rajasthan and Madhya Pradesh. Exports to Bangladesh and the Middle East grew 25% year-on-year. Source: The Economic Times, “India’s Lime Exports Surge,” May 20, 2026.

US Infrastructure Bill Boosts Lime Demand

Wall Street Journal (February 2026) reported that the US Infrastructure Investment and Jobs Act allocated $1.2 billion for water treatment plants, significantly increasing demand for lime for pH adjustment and sludge stabilization. Source: Wall Street Journal, “Lime Demand Rises with Infrastructure Spending,” February 22, 2026.

2026 Market Core Data Overview

The global lime market in 2026 is characterized by steady growth and shifting dynamics. Key data points are summarized below.

Metric	Value	Source
Global Lime Production (2026 est.)	540 million metric tons	IMARC Group
China’s Share of Production	62% (335 million tons)	China Lime Association
Global Market Value	$48.5 billion	Grand View Research
Average Annual Growth Rate (CAGR 2021–2026)	4.2%	Frost & Sullivan
Top Consuming Sector	Steel Manufacturing (38%)	World Steel Association
Second Consuming Sector	Construction (28%)	Global Construction 2030
Average Export Price (Chinese Quicklime, FOB)	$115/ton	Customs Statistics
Average Import Price (EU, CIF)	$195/ton	Eurostat

Customer and Market Pain Points

Understanding the challenges faced by buyers and end-users is crucial for successful procurement and application.

Quality Inconsistency

Many buyers report significant batch-to-batch variation in CaO content and reactivity, especially from smaller Chinese factories. This leads to unpredictable mortar performance and increased waste. Solution: Insist on batch-specific COAs and third-party testing for every shipment.

Logistical Delays

Port congestion in Shanghai and Ningbo caused delays of 2–4 weeks in 2025. This disrupts construction schedules and increases demurrage costs. Solution: Build buffer stock (30% above projected needs) and use multiple shipping lines.

Environmental Compliance Costs

New carbon tariffs in the EU and potential carbon taxes in the US are increasing landed costs by 10–20%. Smaller buyers may struggle to absorb these increases. Solution: Source from factories with low-carbon kilns or negotiate long-term contracts with price adjustment clauses.

Technical Support Gaps

Many Chinese manufacturers lack technical support teams for application guidance. Buyers often receive product without proper usage instructions, leading to application errors. Solution: Partner with suppliers that offer on-site training or detailed technical manuals.

Communication Barriers

Language and time zone differences complicate specification clarifications and issue resolution. Solution: Use bilingual procurement agents or hire a local representative in China.

Market Volatility

Fluctuations in limestone prices, energy costs, and currency exchange rates (CNY/USD) create pricing uncertainty. In 2025, quicklime prices fluctuated by ±15%. Solution: Use forward contracts or price lock agreements for bulk orders.