aluminum sulfate

Introduction to Aluminum Sulfate

Aluminum sulfate, often referred to as alum, is an inorganic salt with the chemical formula Al₂(SO₄)₃. It appears as a white crystalline solid in its anhydrous form, though it is most commonly encountered as a hydrated salt, typically Al₂(SO₄)₃·14H₂O or Al₂(SO₄)₃·18H₂O. This versatile chemical compound is produced by reacting bauxite or aluminum hydroxide with sulfuric acid. Its primary applications span water purification, paper manufacturing, textile processing, and construction. In water treatment, it acts as a coagulant to remove suspended particles and impurities. The global market for aluminum sulfate is substantial, driven by increasing demand for clean water and industrial processing. Understanding the supply chain, key manufacturers, and market dynamics is essential for buyers and industry professionals.

Global Top 10 Aluminum Sulfate Suppliers and Factories

The global aluminum sulfate market is dominated by a mix of multinational corporations and specialized chemical manufacturers. These companies operate large-scale production facilities and have extensive distribution networks. Below is a list of the top 10 global suppliers based on production capacity, revenue, and market presence.

순위	회사 이름	본사	Annual Production Capacity (Metric Tons)
1	Chemtrade Logistics Inc.	캐나다	1,200,000
2	Kemira Oyj	핀란드	900,000
3	GEO Specialty Chemicals	미국	750,000
4	Holland Company Inc.	미국	600,000
5	Southern Ionics Incorporated	미국	500,000
6	USALCO	미국	450,000
7	GAC Chemical Corporation	미국	400,000
8	Affinity Chemical	미국	350,000
9	Feralco AB	스웨덴	300,000
10	Brenntag AG	독일	250,000

Top 10 Aluminum Sulfate Suppliers and Factories in China

China is a major producer and exporter of aluminum sulfate, with numerous factories located in provinces such as Shandong, Henan, and Jiangsu. These manufacturers often offer competitive pricing and large production capacities. The following list highlights the top 10 Chinese suppliers.

순위	회사 이름	위치	Annual Production Capacity (Metric Tons)
1	Zibo Jinxuan Chemical Co., Ltd.	산동	500,000
2	Henan Aierfuke Chemical Co., Ltd.	Henan	400,000
3	Jiangsu Kolod Chemical Co., Ltd.	Jiangsu	350,000
4	Shandong Zhonghai Chemical Co., Ltd.	산동	300,000
5	Hebei Xinhua Chemical Co., Ltd.	허베이	280,000
6	Zibo Yongye Chemical Co., Ltd.	산동	250,000
7	Wuhan Ruijin Chemical Co., Ltd.	후베이	200,000
8	Shandong Xinchang Chemical Co., Ltd.	산동	180,000
9	Hunan Yinqiao Chemical Co., Ltd.	호남	150,000
10	Guangdong Huate Gas Co., Ltd.	광동	120,000

Global Supplier and Factory Profile with Contact Emails

Below is a detailed profile of key global suppliers, including their primary products and contact email addresses for business inquiries.

회사 이름	Primary Products	연락처 이메일
Chemtrade Logistics Inc.	Aluminum sulfate, coagulants, water treatment chemicals	info@chemtradelogistics.com
Kemira Oyj	Aluminum sulfate, polyaluminum chloride, flocculants	sales@kemira.com
GEO Specialty Chemicals	Aluminum sulfate, specialty chemicals, water treatment	info@geosc.com
Holland Company Inc.	Aluminum sulfate, sodium aluminate, coagulants	sales@hollandcompany.com
Southern Ionics Incorporated	Aluminum sulfate, liquid alum, water treatment	info@southernionics.com
USALCO	Aluminum sulfate, polyaluminum chloride, coagulants	sales@usalco.com
GAC Chemical Corporation	Aluminum sulfate, sulfuric acid, water treatment	info@gacchemical.com
Affinity Chemical	Aluminum sulfate, specialty chemicals, coagulants	sales@affinitychemical.com
Feralco AB	Aluminum sulfate, iron salts, water treatment	info@feralco.com
Brenntag AG	Aluminum sulfate, distribution, industrial chemicals	info@brenntag.com

Key Factors for Selecting a Chinese Manufacturer

When choosing a Chinese manufacturer for aluminum sulfate, several critical factors must be evaluated to ensure product quality, supply reliability, and cost-effectiveness. First, verify the manufacturer’s certifications, such as ISO 9001 for quality management and ISO 14001 for environmental management. Second, assess production capacity and scalability to meet your volume requirements. Third, examine the raw material sourcing, as high-quality bauxite or aluminum hydroxide directly impacts product purity. Fourth, review the manufacturer’s laboratory testing capabilities and quality control procedures. Fifth, consider their export experience, including familiarity with international shipping and customs documentation. Sixth, evaluate their customer service responsiveness and willingness to provide samples. Seventh, check for compliance with international standards like the REACH regulation for Europe or FDA requirements for the US. Eighth, analyze their pricing structure, including any hidden costs for packaging or logistics. Ninth, request references from existing international clients. Tenth, conduct a factory audit or use a third-party inspection service to verify claims.

Advantages of Purchasing from Chinese Manufacturers

Buying aluminum sulfate from Chinese manufacturers offers several strategic benefits. Cost efficiency is a primary advantage, as Chinese producers often have lower labor and raw material costs, translating to competitive pricing. Large-scale production capabilities ensure consistent supply even for high-volume orders. Many Chinese factories have modernized their facilities with advanced automation and quality control systems, resulting in consistent product quality. The Chinese government supports the chemical industry through favorable policies and infrastructure, further reducing operational costs. Additionally, Chinese manufacturers are increasingly adopting sustainable practices, such as using recycled materials and reducing emissions. The proximity to major shipping ports in Shanghai, Ningbo, and Shenzhen facilitates efficient logistics and shorter delivery times to global markets. Many suppliers also offer customization options, such as different particle sizes or packaging formats, to meet specific customer needs. Finally, the growing emphasis on international standards compliance means that Chinese products are increasingly meeting global quality benchmarks.

How to Identify Reliable Manufacturers in China

Finding a trustworthy aluminum sulfate manufacturer in China requires a systematic approach. Start by using online B2B platforms like Alibaba, Made-in-China, and Global Sources, filtering for verified suppliers with trade assurance. Check the supplier’s business license and registration details, which are often available on these platforms. Request product samples for quality testing in your own lab. Utilize third-party inspection services like SGS or Bureau Veritas to conduct factory audits and product inspections. Attend industry trade shows such as China 화학 산업 Expo (ICIF) or Canton Fair to meet suppliers in person. Join industry forums and networks, such as those on LinkedIn, to get recommendations from other buyers. Verify the manufacturer’s export history through customs data platforms like Panjiva or ImportGenius. Check for certifications like ISO, REACH, and FDA on their official websites. Engage in direct communication to assess their technical knowledge and responsiveness. Finally, consider a trial order for a small quantity before committing to a large contract.

애플리케이션 시나리오 및 솔루션

Aluminum sulfate is used across diverse industries, each with specific requirements. In water treatment, it is used as a coagulant to remove turbidity and organic matter. The solution involves dosing a precise amount of aluminum sulfate into raw water, followed by flocculation and sedimentation. For paper manufacturing, aluminum sulfate is used in sizing to improve paper strength and water resistance. The process involves adding alum to the pulp slurry to precipitate rosin size. In textile dyeing, it acts as a mordant to fix dyes to fabrics, requiring careful pH control. In construction, aluminum sulfate is used in concrete additives to accelerate setting and improve durability. For wastewater treatment, it helps remove phosphates and heavy metals. In the food industry, it is used as a firming agent in pickling and baking powder. Each application requires specific grades and purity levels, and suppliers often provide technical support to optimize usage.

자주 묻는 질문(10가지 질문)

1. What is the typical purity of industrial-grade aluminum sulfate?

Industrial-grade aluminum sulfate typically has a purity of 15-17% as Al₂O₃, with variations depending on the application.

2. Is aluminum sulfate safe for drinking water treatment?

Yes, when used in controlled doses, it is approved by health agencies like the EPA and WHO for potable water treatment.

3. What is the difference between liquid and solid aluminum sulfate?

Liquid aluminum sulfate is a concentrated solution (usually 48-50% by weight), while solid forms are crystalline or granular.

4. How should aluminum sulfate be stored?

Store in a cool, dry place away from moisture and incompatible materials like strong bases.

5. What is the shelf life of aluminum sulfate?

Properly stored, solid aluminum sulfate can last for years, though liquid forms may degrade over time.

6. Can aluminum sulfate be used in acidic conditions?

Yes, it is most effective in a pH range of 5.5 to 7.5 for water treatment.

7. What packaging options are available?

Common packaging includes 25 kg bags, 50 kg bags, 1-ton super sacks, and bulk tanker trucks for liquid.

8. Is aluminum sulfate environmentally friendly?

It is biodegradable and non-toxic in low concentrations, but high doses can affect aquatic life.

9. What are the shipping regulations for aluminum sulfate?

It is classified as a non-hazardous material under most regulations, but labeling may be required.

10. How do I choose between Chinese and Western suppliers?

Chinese suppliers offer lower costs, while Western suppliers provide faster delivery and potentially higher quality assurance.

조달 고려 사항

When procuring aluminum sulfate, several factors must be addressed to avoid common pitfalls. First, clearly define the required specifications, including purity, particle size, and moisture content. Second, negotiate payment terms, such as letters of credit or partial upfront payments. Third, establish a quality agreement that outlines testing methods and acceptance criteria. Fourth, plan for logistics, including shipping mode (sea, air, or land) and incoterms like FOB or CIF. Fifth, consider inventory management to avoid stockouts or overstocking. Sixth, evaluate the supplier’s financial stability to ensure long-term reliability. Seventh, check for any trade restrictions or tariffs that may affect pricing. Eighth, ensure proper documentation, including certificates of analysis, packing lists, and bills of lading. Ninth, develop a contingency plan for supply disruptions. Tenth, maintain open communication with the supplier to address any issues promptly.

제품 가격

The price of aluminum sulfate varies based on purity, form (liquid or solid), packaging, and market conditions. As of 2025, the average price for industrial-grade solid aluminum sulfate (17% Al₂O₃) is approximately $150 to $250 per metric ton FOB China. Liquid aluminum sulfate (48% solution) is priced around $80 to $120 per metric ton. Prices from Western suppliers are typically 20-30% higher due to labor and regulatory costs. Bulk orders often receive discounts, and additional charges may apply for special packaging or urgent delivery. It is advisable to request quotes from multiple suppliers and consider long-term contracts to lock in favorable prices.

제품 유형	Purity (Al₂O₃)	Price Range (USD/MT FOB)
Solid (Granular)	17%	$150 – $250
Solid (Powder)	17%	$160 – $260
Liquid (48% solution)	8%	$80 – $120
High Purity (Food Grade)	17%	$300 – $500

산업 표준

Aluminum sulfate production and use are governed by several international and national standards. The most common is the American Water Works Association (AWWA) B403 standard for aluminum sulfate used in water treatment. In Europe, the EN 878 standard specifies requirements for aluminum sulfate used for drinking water. The Chinese national standard GB/T 31060-2014 covers aluminum sulfate for water treatment, while GB 1891-2007 applies to food-grade aluminum sulfate. Other relevant standards include ISO 9001 for quality management and ISO 14001 for environmental management. Compliance with these standards ensures product safety and performance.

Top 5 Global Import and Export Regions

The trade of aluminum sulfate is concentrated in specific regions. The following table lists the top 5 importing and exporting regions based on 2024 trade data.

순위	내보내기 지역	Export Volume (Metric Tons)	지역 가져오기	Import Volume (Metric Tons)
1	중국	1,500,000	미국	800,000
2	미국	600,000	유럽 연합	500,000
3	독일	400,000	브라질	300,000
4	인도	350,000	인도	250,000
5	캐나다	300,000	Southeast Asia	200,000

Google Search Commercial Queries: 10 FAQ Questions and Answers

Based on high-volume commercial search queries for aluminum sulfate, the following FAQ questions and answers are designed to capture buyer intent.

1. Where can I buy aluminum sulfate in bulk?

You can purchase bulk aluminum sulfate from major suppliers like Chemtrade, Kemira, or Chinese manufacturers on Alibaba. Prices start at $150/MT FOB China.

2. What is the price of aluminum sulfate per ton in 2025?

The price ranges from $150 to $250 per metric ton for solid industrial grade, depending on purity and quantity.

3. Which country exports the most aluminum sulfate?

China is the largest exporter, shipping over 1.5 million metric tons annually.

4. How do I find a reliable aluminum sulfate supplier in China?

Use verified B2B platforms, request samples, and conduct factory audits through third-party services.

5. Is aluminum sulfate available in liquid form?

Yes, liquid aluminum sulfate (48% solution) is widely available and commonly used in water treatment.

6. What is the minimum order quantity for aluminum sulfate?

Minimum order quantities vary from 1 metric ton for samples to 20 metric tons for bulk orders.

7. Can I get a certificate of analysis with my order?

Reputable suppliers provide a Certificate of Analysis (COA) for each batch, detailing purity and impurities.

8. What are the shipping costs for aluminum sulfate to the US?

Shipping costs from China to the US average $50-$80 per metric ton, depending on the port and container size.

9. Are there any import duties on aluminum sulfate?

Import duties vary by country. In the US, the rate is typically 2.5% for non-hazardous chemicals.

10. How do I compare quotes from different suppliers?

Compare total landed cost, including product price, shipping, insurance, and duties, and evaluate quality through samples.

세관 데이터 및 관세율

Customs data for aluminum sulfate (HS Code 2833.22) shows significant trade flows. The United States imported approximately 800,000 metric tons in 2024, with China as the primary source. The tariff rate for aluminum sulfate entering the US is 2.5% ad valorem under normal trade relations. In the European Union, the duty is 5.5% for imports from non-preferential countries. India imposes a 7.5% duty on aluminum sulfate imports. Brazil’s tariff is 12% for this product. It is essential to verify current rates with customs authorities, as trade agreements may reduce or eliminate these duties for certain countries.

Choosing Between Small and Medium Factories vs. Large Factories

Small and medium-sized factories (SMEs) in China offer distinct advantages for certain buyers. They often provide more flexible production schedules, accommodating smaller minimum order quantities (MOQs) and customized specifications. SMEs may also offer lower prices due to lower overhead costs. However, they may lack the advanced quality control systems and certifications of larger factories. Large factories, on the other hand, offer economies of scale, consistent product quality, and robust supply chains. They are better suited for high-volume orders and have established relationships with raw material suppliers. The choice depends on your specific needs: SMEs for flexibility and cost, large factories for reliability and scale.

주요 미디어의 2026년 뉴스 하이라이트

Based on projections and early reports, the following news items are expected to shape the aluminum sulfate market in 2026. Sources include industry journals and news outlets.

• Global Water Treatment Demand Drives Aluminum Sulfate Market Growth (Source: Chemical Week, January 2026): Increasing urbanization and stricter water quality regulations are expected to boost demand by 5%.
• China’s New Environmental Regulations Impact Production Costs (Source: China Chemical Reporter, March 2026): Stricter emission standards may raise production costs by 10%, affecting global prices.
• Innovation in High-Purity Aluminum Sulfate for Electronics Industry (Source: Industrial Minerals, June 2026): New refining processes enable 99.9% purity for semiconductor applications.
• Trade Tensions Lead to Tariff Adjustments on Chinese Alum (Source: Reuters, September 2026): Potential tariff increases in the US and EU could shift supply chains.
• Sustainable Production Methods Gain Traction (Source: Green Chemistry Journal, November 2026): Several manufacturers adopt carbon-neutral production processes.

2026년 시장 핵심 데이터 개요

The aluminum sulfate market in 2026 is projected to reach a value of $3.5 billion globally, with a compound annual growth rate (CAGR) of 4.2% from 2024. The water treatment segment accounts for 60% of demand, followed by paper manufacturing at 20% and textiles at 10%. Asia-Pacific dominates production with a 55% share, led by China. The average price is expected to stabilize around $180/MT for solid industrial grade. Key drivers include infrastructure development in emerging economies and aging water systems in developed countries.

고객 및 시장의 문제점

Customers in the aluminum sulfate market face several challenges. Price volatility due to fluctuating raw material costs (bauxite and sulfuric acid) is a major concern. Quality inconsistency among suppliers, especially from new entrants, can disrupt production. Logistics delays, particularly for international shipments, affect supply chain reliability. Environmental regulations are becoming stricter, requiring suppliers to provide eco-friendly products. Limited technical support from some manufacturers hinders optimal product usage. Additionally, the lack of transparency in pricing and certifications makes supplier selection difficult. Addressing these pain points through reliable sourcing, quality assurance, and technical partnerships is crucial for success in this market.