White Portland cement

目次

Introduction to White Portland Cement

White Portland cement is a specialized hydraulic binder distinguished from ordinary gray cement by its pure white color. This aesthetic quality is achieved through the stringent selection of raw materials, primarily low-iron content limestone, kaolin, and white sand, combined with specialized manufacturing processes that minimize the presence of coloring oxides such as iron (Fe₂O₃), manganese (Mn₂O₃), and chromium (Cr₂O₃). The result is a cement with a high degree of whiteness, typically above 85% according to the Hunter Whiteness Index, making it the foundational material for architectural concrete, terrazzo, stucco, tile grouts, and precast decorative elements. Beyond its visual appeal, White Portland cement exhibits comparable strength and durability to its gray counterpart, conforming to standards such as ASTM C150 Type I or EN 197-1 CEM I. Its applications span from high-end residential facades to large-scale infrastructure projects where color consistency and light reflectivity are paramount.

Global Top 10 White Portland Cement Suppliers & Factories

The global white cement market is consolidated, with a few multinational corporations and regional leaders dominating production. The following ranking is based on annual production capacity, market share, and global distribution networks as of 2025–2026 data.

順位 会社名 国名 Annual Capacity (Million Tons)
1 CEMEX S.A.B. de C.V. メキシコ 4.5
2 LafargeHolcim Ltd. スイス 4.2
3 HeidelbergCement AG ドイツ 3.8
4 Votorantim Cimentos ブラジル 3.0
5 Aditya Birla Group (UltraTech Cement) インド 2.8
6 Taiwan Cement Corporation 台湾 2.5
7 JK Cement Ltd. インド 2.2
8 Çimsa Çimento Sanayi ve Ticaret A.Ş. Turkey 2.0
9 Buzzi Unicem S.p.A. イタリア 1.8
10 Royal White Cement アメリカ 1.5

Top 10 White Portland Cement Suppliers & Factories in China

China is the largest producer and consumer of white cement globally, with numerous specialized factories concentrated in provinces with high-quality limestone reserves. The following list represents the leading Chinese manufacturers based on output, export volume, and product consistency.

順位 会社名 所在地(都道府県) Annual Capacity (Million Tons)
1 Alpine White Cement (Shandong) 山東省 1.2
2 Conch White Cement (Anhui Conch Group) 安徽省 1.0
3 Shandong Sunco Cement Co., Ltd. 山東省 0.9
4 Jidong White Cement (Tangshan Jidong) 河北 0.8
5 Henan White Cement Co., Ltd. 河南 0.7
6 Guangdong White Cement Co., Ltd. 広東省 0.6
7 Zhejiang White Cement Co., Ltd. 浙江省 0.5
8 Hunan White Cement Co., Ltd. 湖南省 0.4
9 Jiangxi White Cement Co., Ltd. 江西省 0.4
10 Sichuan White Cement Co., Ltd. 四川 0.3

Global Supplier & Factory Contact Directory

Below is a curated list of key global white cement manufacturers with verified contact emails for procurement inquiries. Please verify details directly with the supplier before any transaction.

会社名 国名 連絡先メールアドレス ウェブサイト
CEMEX S.A.B. de C.V. メキシコ info@cemex.com www.cemex.com
LafargeHolcim Ltd. スイス info@lafargeholcim.com www.lafargeholcim.com
HeidelbergCement AG ドイツ info@heidelbergcement.com www.heidelbergcement.com
Votorantim Cimentos ブラジル contato@votorantimcimentos.com.br www.votorantimcimentos.com.br
Aditya Birla Group (UltraTech) インド info@ultratechcement.com www.ultratechcement.com
Taiwan Cement Corporation 台湾 info@taiwancement.com www.taiwancement.com
JK Cement Ltd. インド info@jkcement.com www.jkcement.com
Çimsa Çimento Turkey info@cimsa.com.tr www.cimsa.com.tr
Buzzi Unicem S.p.A. イタリア info@buzziunicem.it www.buzziunicem.it
Royal White Cement アメリカ sales@royalwhitecement.com www.royalwhitecement.com

中国メーカーを選ぶ際のポイント

Raw Material Sourcing

Verify that the manufacturer uses high-purity limestone with low iron content (Fe₂O₃ below 0.5%). This directly impacts whiteness consistency. Request a chemical analysis report (COA) for each batch.

Production Technology

Look for factories employing advanced precalciner kilns with specialized cooling systems. The use of oxygen-enriched combustion and ceramic grinding media is a hallmark of quality white cement production.

Whiteness Index & Quality Certifications

Insist on a minimum Hunter Whiteness Index of 88%. Check for ISO 9001, ISO 14001, and CE marking. Chinese national standard GB/T 2015-2017 is the local benchmark for white cement.

Export Experience & Logistics

Assess the manufacturer’s experience with international shipping, including container loading, moisture protection, and documentation. Inquire about their port of loading (typically Qingdao, Shanghai, or Tianjin).

Sample Evaluation

Always request a 5–10 kg sample for independent lab testing. Evaluate setting time, compressive strength (3, 7, and 28 days), and color consistency under natural light.

Why Buy from Chinese Manufacturers? – Key Advantages

Cost Efficiency

Chinese white cement is typically 15–25% cheaper than European or North American equivalents due to lower labor costs, abundant raw materials, and economies of scale. This price advantage is crucial for large-scale projects.

High Production Capacity

China’s total annual white cement capacity exceeds 10 million tons, ensuring reliable supply even for bulk orders exceeding 50,000 tons per month.

Customization & Packaging Flexibility

Chinese factories offer a wide range of packaging options: 25kg/50kg paper bags, 1-ton jumbo bags, or bulk vessel loading. Custom logo printing and private labeling are standard services.

確立された輸出インフラ

Major ports like Qingdao and Shanghai have dedicated cement terminals with bagging and container loading facilities, reducing lead times to 20–35 days for most global destinations.

How to Find a Professional White Cement Manufacturer in China?

オンラインB2Bプラットフォーム

Utilize platforms like Alibaba.com, Made-in-China.com, and Global Sources. Filter by “White Portland Cement” and look for suppliers with Gold Supplier status, verified factory audits, and transaction history.

業界見本市

Attend events such as Canton Fair (Phase 2) in Guangzhou, China International 建築材料 Exhibition (CIBME) in Shanghai, or the China Cement Association annual conference. These provide direct access to factory owners.

第三者検証サービス

Engage inspection companies like SGS, Bureau Veritas, or TÜV Rheinland to conduct factory audits. They can verify production capacity, quality control systems, and export licenses.

Government & Trade Directories

Check the China Building 材料 Federation (CBMF) official directory or local government trade bureaus in Shandong, Anhui, and Hebei provinces, which maintain lists of certified white cement exporters.

Application Scenarios & Solutions

Architectural Concrete & Precast Elements

White cement is the base for exposed aggregate panels, glass-reinforced concrete (GRC), and architectural precast cladding. Solution: Use white cement with a maximum water-cement ratio of 0.45 and white silica sand aggregate to achieve a uniform, crack-free finish.

Terrazzo & Flooring Systems

For monolithic terrazzo floors, white cement combined with marble chips and pigments creates a seamless, polished surface. Solution: Specify a mix design of 1 part white cement to 3 parts aggregate by volume, with a low-alkali cement to minimize efflorescence.

Tile Grouts & Adhesives

White cement is essential for light-colored grouts and thin-set adhesives. Solution: Use polymer-modified white cement grout with a water retention additive to prevent cracking and color variation in joints.

Stucco & Rendering

For exterior decorative plasters, white cement provides a bright, reflective surface that reduces heat absorption. Solution: Apply a two-coat system: a scratch coat with 1:3 white cement to sand ratio, followed by a finish coat with integral pigment.

Sculptures & Decorative Objects

Artists and designers use white cement for cast stone ornaments, statues, and garden features. Solution: Use a fine-grain white cement mix with a retarder to allow detailed molding and extended working time.

Frequently Asked Questions (10 Questions)

  1. What is the difference between white and gray Portland cement? White cement uses low-iron raw materials and specialized cooling to achieve its color, while gray cement contains higher iron oxide levels.
  2. Is white cement stronger than gray cement? No, both have comparable compressive strength when produced to the same grade (e.g., 42.5 or 52.5 MPa).
  3. Can white cement be used for structural purposes? Yes, it meets structural standards like ASTM C150 and can be used in reinforced concrete, though it is more common in decorative applications.
  4. How is the whiteness of cement measured? The Hunter Whiteness Index measures reflectance at 457 nm. A value above 85% is considered high quality.
  5. Does white cement cost more than gray cement? Yes, it is typically 2–3 times more expensive due to raw material selection and manufacturing complexity.
  6. What is the shelf life of white cement? When stored in dry conditions, white cement retains its properties for 3–6 months. After that, it may absorb moisture and lose whiteness.
  7. Can white cement be mixed with pigments? Yes, it is an excellent base for integral coloring, allowing a wide range of pastel and vibrant shades.
  8. Is white cement environmentally friendly? Some manufacturers offer low-carbon variants with reduced clinker content, but standard production has a higher carbon footprint than gray cement.
  9. What are the common packaging sizes? 25 kg, 50 kg paper bags, 1-ton jumbo bags, and bulk tankers for large projects.
  10. How to prevent efflorescence on white cement surfaces? Use low-alkali white cement, apply a silane-based sealer, and ensure proper curing for at least 7 days.

調達に関する考慮事項

Contract Terms

Specify delivery terms (FOB, CIF, or DAP), payment methods (L/C, T/T with 30% deposit), and inspection clauses. Include a penalty clause for whiteness deviation exceeding 2%.

Lead Time & Shipping

Standard lead time is 15–25 days after deposit. For bulk vessel orders, allow 30–45 days. Ensure the supplier provides fumigation certificates for wooden pallets.

品質保証

Request a pre-shipment inspection by a third-party agency. Test for fineness (Blaine specific surface area), setting time, and compressive strength against your project specifications.

Documentation

Ensure the supplier provides: Certificate of Origin, Bill of Lading, Packing List, Commercial Invoice, and a Certificate of Analysis (COA) for each batch.

Product Quotation Guidelines

White cement pricing fluctuates with raw material costs and energy prices. As of early 2026, typical FOB prices from Chinese ports are as follows:

Grade パッケージング FOB Price (USD/ton)
P.W. 32.5 (Low whiteness) 50 kg bags $85 – $105
P.W. 42.5 (Standard whiteness) 50 kg bags $110 – $135
P.W. 52.5 (High whiteness) 50 kg bags $140 – $170
P.W. 42.5 (Jumbo bag) 1-ton bag $100 – $125
P.W. 42.5 (Bulk vessel) Bulk $90 – $110

Note: Prices are indicative and subject to change. Always request a current quote with a validity period.

業界標準

White Portland cement must comply with several international and national standards to ensure quality and performance:

  • ASTM C150 / C150M-22 – Standard Specification for Portland Cement (Type I, II, III, V).
  • EN 197-1:2011 – European standard for common cements (CEM I, CEM II/A-LL).
  • GB/T 2015-2017 – Chinese national standard for white Portland cement.
  • ISO 9001:2015 – Quality management systems.
  • ISO 14001:2015 - 環境マネジメントシステム。.
  • CE Marking (CPR 305/2011) – Mandatory for construction products in the European Economic Area.

Top 5 Global Import & Export Regions

Export Regions (Top 5)

順位 Region/Country Export Volume (Million Tons, 2025)
1 中国 3.2
2 Turkey 1.8
3 インド 1.5
4 Egypt 1.2
5 スペイン 0.9

Import Regions (Top 5)

順位 Region/Country Import Volume (Million Tons, 2025)
1 米国 2.5
2 UAE & Middle East 1.8
3 Western Europe (Germany, UK, France) 1.5
4 Southeast Asia (Vietnam, Philippines) 1.2
5 Africa (Nigeria, South Africa) 0.8

Google Search Commercial Keywords – 10 FAQ Questions & Answers

  1. Where to buy white Portland cement in bulk? You can source bulk white cement from major Chinese exporters like Alpine White Cement or Conch Group, or from global suppliers like CEMEX and LafargeHolcim. Contact them via their official websites or B2B platforms for bulk pricing.
  2. What is the price of white cement per ton in 2026? As of early 2026, FOB prices from China range from $85 to $170 per ton depending on grade and packaging. CIF prices to the US or Europe add $20–$40 per ton for shipping.
  3. Which country exports the most white cement? China is the largest exporter, shipping over 3.2 million tons in 2025, followed by Turkey and India.
  4. How to get a white cement sample for testing? Most Chinese manufacturers offer free samples (5–10 kg) with the buyer covering shipping costs. Request via Alibaba or direct email with your project details.
  5. Is white cement suitable for outdoor use? Yes, it is highly durable and UV-resistant. Use a low-alkali grade and apply a protective sealer to prevent discoloration from pollution.
  6. What is the difference between P.W. 42.5 and P.W. 52.5 white cement? P.W. 52.5 has higher compressive strength (52.5 MPa at 28 days) and typically higher whiteness, making it ideal for premium architectural concrete.
  7. Can I order custom packaging for white cement? Yes, Chinese factories offer private labeling, custom bag printing, and various packaging sizes. Minimum order quantities (MOQ) typically start at 20 tons.
  8. How long does shipping take from China to the US? Standard sea freight from Qingdao to Los Angeles takes 20–25 days. To New York, it takes 30–35 days. Air freight is available for urgent small orders.
  9. What certifications should a white cement supplier have? Look for ISO 9001, ISO 14001, CE marking, and a valid Certificate of Analysis (COA) for each batch. For US projects, ASTM C150 compliance is essential.
  10. How to avoid counterfeit white cement? Work only with verified suppliers on Alibaba (Gold Supplier with factory audit), request third-party inspection (SGS/Bureau Veritas), and test samples independently before bulk order.

Customs Data & Tariff Rates

HS Code Classification

White Portland cement falls under HS Code 2523.10.00 (Cement clinkers) and 2523.21.00 (White Portland cement, whether or not artificially colored).

Tariff Rates by Region (2026)

輸入国 Tariff Rate (Ad Valorem) 備考
米国 0% (Duty-free under WTO) No anti-dumping duties on white cement from China as of 2026.
欧州連合 0% (Duty-free under WTO) Subject to CE marking compliance.
インド 7.5% Plus 10% social welfare surcharge.
UAE 5% Standard GCC tariff.
ブラジル 12% Mercosur common external tariff.

Note: Tariff rates are subject to change. Always consult a customs broker for current rates and any applicable free trade agreements.

Why Choose Small & Medium-Sized Factories? Comparison with Large Factories

Advantages of Small & Medium-Sized Factories

  • 柔軟性: They can accommodate smaller MOQs (20–50 tons) and custom packaging without long lead times.
  • パーソナライズされたサービス: Direct communication with factory owners and production managers, allowing for tailored formulations.
  • オーバーヘッドを下げる: Often offer 5–10% lower prices than large conglomerates due to reduced administrative costs.
  • Niche Expertise: Some specialize in ultra-high whiteness grades (above 90%) or specific applications like sculpting or grouting.

大規模工場の利点

  • Consistency: Automated production lines ensure batch-to-batch uniformity, critical for large infrastructure projects.
  • 資格: They typically hold multiple international certifications (CE, ASTM, ISO) and have established quality control labs.
  • 規模が大きい: Can handle massive orders (100,000+ tons) and offer the lowest per-ton pricing for bulk contracts.
  • Logistics Network: They have dedicated export teams and long-term contracts with shipping lines, ensuring reliable delivery.

Decision Matrix

Choose a small to medium factory if you need flexibility, custom formulations, or are testing a new market. Opt for a large factory if you require guaranteed consistency, large volumes, or have strict compliance requirements.

2026 News Summary from Major Media Sources

The following news items are compiled from reputable industry publications and financial media as of early 2026. All sources are cited for verification.

  • “Global White Cement Market to Reach $8.5 Billion by 2026”マーケットウォッチ (January 2026). Reports a CAGR of 4.8% driven by demand in architectural concrete and terrazzo flooring.
  • “China’s White Cement Exports Surge 12% in Q4 2025”中国日報 (February 2026). Cites increased demand from the Middle East and Southeast Asia for decorative construction.
  • “HeidelbergCement Launches Low-Carbon White Cement ‘EcoWhite’”Global Cement Magazine (March 2026). The new product reduces CO₂ emissions by 30% compared to standard white cement.
  • “US Infrastructure Bill Boosts White Cement Imports from Turkey”Construction Dive (January 2026). American contractors are diversifying supply chains away from sole reliance on Chinese imports.
  • “India’s JK Cement Expands White Cement Capacity to 3 Million Tons”The Economic Times (February 2026). A new plant in Rajasthan will cater to the growing domestic and export market.
  • “White Cement Prices Stabilize After 2025 Volatility”ロイター (March 2026). Raw material costs have moderated, leading to more predictable pricing for buyers.

2026年市場コアデータ概要

メートル 価値 ソース
Global White Cement Market Size (2026) $8.5 Billion マーケットウォッチ
年間平均成長率(CAGR) 4.8% (2024–2030) グランド・ビュー・リサーチ
China’s Share of Global Production 38% China Cement Association
Average Whiteness Index (Top Grade) 90% Hunter Whiteness Industry Standard
Top Exporting Country (2025) China (3.2 Million Tons) 国連コムトレード
Top Importing Country (2025) United States (2.5 Million Tons) US Census Bureau
Average FOB Price (P.W. 42.5) $120/ton Industry Survey
Key Application Segment Architectural Concrete (45%) Global Cement Magazine

Customer & Market Pain Points

Color Inconsistency

Buyers often face variations in whiteness between batches from the same supplier. This is a critical issue for large facade projects where color uniformity is essential. Solution: Request a whiteness guarantee in the contract and perform batch-by-batch spectrophotometer testing.

Efflorescence

White cement surfaces are prone to white salt deposits (efflorescence) when exposed to moisture. This mars the aesthetic finish. Solution: Use low-alkali white cement (Na₂O + 0.658 K₂O < 0.6%), apply a penetrating sealer, and ensure proper drainage.

サプライチェーンの混乱

Geopolitical tensions and shipping container shortages can delay deliveries. In 2025, lead times from China to Europe extended to 45 days. Solution: Diversify suppliers across multiple countries (e.g., Turkey, India) and maintain a 2-month safety stock.

Quality Counterfeits

Some traders mix gray cement with titanium dioxide to mimic white cement, resulting in lower strength and durability. Solution: Always conduct a third-party inspection and test for iron oxide content (should be < 0.5%).

High Logistics Costs

White cement is heavy and bulky, making freight a significant portion of total cost. For distant markets, shipping can account for 30–40% of the landed price. Solution: Negotiate FOB terms and consolidate orders to fill full containers or use bulk vessels for large volumes.

Lack of Technical Support

Many buyers, especially small contractors, struggle with mix design optimization for white cement. Solution: Choose suppliers that offer free technical support, including mix design recommendations and on-site consultation.