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Zinc hydroxide
📑 Table of Contents
- 📄 Introduction to Zinc Hydroxide
- 📄 Global Top 10 Zinc Hydroxide Suppliers and Factories
- 📄 Top 10 Zinc Hydroxide Suppliers and Factories in China
- 📄 Global Supplier and Factory Contact List
- 📄 Key Factors When Choosing a Chinese Manufacturer
- 📄 Why Buy from Chinese Manufacturers? Key Advantages
- 📄 How to Find a Professional Manufacturer in China?
- 📄 Application Scenarios and Solutions
- └ 📌 Rubber and Tire Manufacturing
- └ 📌 Ceramics and Glass
- └ 📌 Wastewater Treatment
- └ 📌 Pharmaceuticals and Cosmetics
- └ 📌 Flame Retardants
- └ 📌 Catalyst Production
- 📄 Top 10 Frequently Asked Questions
- 📄 Purchasing Precautions
- 📄 Product Quotation
- 📄 Industry Standards
- 📄 Global Import and Export Region Ranking Top 5
- 📄 Google Search Commercial FAQs (10 Questions)
- 📄 Customs Data and Tariff Rates
- 📄 Why Choose Small and Medium Factories? Differences from Large Factories
- 📄 2026 News Summary from Major Media Sources
- 📄 2026 Market Core Data Overview
- 📄 Customer and Market Pain Points
- 📄 Final Section: Market Outlook and Strategic Recommendations
Introduction to Zinc Hydroxide
Zinc hydroxide (Zn(OH)₂) is an inorganic chemical compound that appears as a white, amorphous powder or crystalline solid. It is amphoteric, meaning it can react with both acids and strong bases. This unique property makes it a critical intermediate in various industrial processes. Primarily, zinc hydroxide is used as a precursor for the production of zinc oxide, zinc catalysts, and other zinc-based chemicals. It also plays a significant role in wastewater treatment, pharmaceuticals, and as a flame retardant additive. The compound is typically produced by reacting a zinc salt, such as zinc sulfate or zinc chloride, with a caustic alkali like sodium hydroxide. In the global market, zinc hydroxide is valued for its high reactivity and purity, making it indispensable for manufacturers of rubber, ceramics, paints, and personal care products. Its demand is closely tied to the growth of the construction, automotive, and electronics sectors.
Global Top 10 Zinc Hydroxide Suppliers and Factories
The global zinc hydroxide market is dominated by a mix of multinational chemical giants and specialized regional producers. These companies are recognized for their production capacity, quality control, and distribution networks. Below is a ranking of the top 10 global suppliers based on annual output, market share, and reputation.
| Rank | Company Name | Country | Annual Capacity (Metric Tons) | Key Market |
|---|---|---|---|---|
| 1 | Umicore | Belgium | 45,000 | Europe, Americas |
| 2 | Zochem | Canada | 38,000 | North America |
| 3 | Grillo-Werke AG | Germany | 32,000 | Europe, Asia |
| 4 | EverZinc | Belgium | 30,000 | Global |
| 5 | Hakusui Tech | Japan | 28,000 | Asia-Pacific |
| 6 | Zinc Nacional | Mexico | 25,000 | Latin America |
| 7 | Mitsui Mining & Smelting | Japan | 22,000 | Asia, North America |
| 8 | Pan-Continental Chemical | Taiwan | 20,000 | Asia-Pacific |
| 9 | Rubamin | India | 18,000 | India, Middle East |
| 10 | American Zinc Recycling | USA | 15,000 | North America |
Top 10 Zinc Hydroxide Suppliers and Factories in China
China is the world’s largest producer and consumer of zinc chemicals. The country hosts numerous manufacturers that supply both domestic and international markets. The following list highlights the top 10 Chinese suppliers known for consistent quality and competitive pricing.
| Rank | Company Name | Location | Annual Capacity (Metric Tons) | Main Products |
|---|---|---|---|---|
| 1 | Zinc Oxide LLC (Shijiazhuang) | Hebei | 25,000 | Zinc hydroxide, zinc oxide |
| 2 | Hebei Xinji Chemical Group | Hebei | 22,000 | Zinc hydroxide, zinc sulfate |
| 3 | Shandong Sinocera Functional Material | Shandong | 20,000 | High-purity zinc hydroxide |
| 4 | Hunan Jufa Technology | Hunan | 18,000 | Zinc hydroxide for catalysts |
| 5 | Guangdong Xilong Chemical | Guangdong | 15,000 | Zinc hydroxide, zinc salts |
| 6 | Wuhan Jiangmin Chemical | Hubei | 14,000 | Industrial grade zinc hydroxide |
| 7 | Zhejiang Interbatch Chemical | Zhejiang | 12,000 | Zinc hydroxide for rubber |
| 8 | Jiangsu Tianqi Chemical | Jiangsu | 11,000 | Pharma grade zinc hydroxide |
| 9 | Anhui Tongling Chemical | Anhui | 10,000 | Zinc hydroxide, zinc carbonate |
| 10 | Liaoning Zinc Industry | Liaoning | 9,000 | Zinc hydroxide for coatings |
Global Supplier and Factory Contact List
Below is a detailed introduction table for key global suppliers, including their official contact emails for procurement inquiries.
| Company | Country | Product Grade | Contact Email | Website |
|---|---|---|---|---|
| Umicore | Belgium | High-purity, industrial | zinc.sales@umicore.com | www.umicore.com |
| Zochem | Canada | Rubber grade, catalyst grade | sales@zochem.com | www.zochem.com |
| Grillo-Werke AG | Germany | Pharma grade, technical grade | info@grillo.de | www.grillo.de |
| EverZinc | Belgium | Battery grade, high purity | sales@everzinc.com | www.everzinc.com |
| Hakusui Tech | Japan | Electronics grade | enquiry@hakusui-tech.co.jp | www.hakusui-tech.co.jp |
| Zinc Nacional | Mexico | Industrial grade | ventas@zincnacional.com.mx | www.zincnacional.com.mx |
| Mitsui Mining & Smelting | Japan | High-purity | zinc@mitsui-kinzoku.co.jp | www.mitsui-kinzoku.co.jp |
| Pan-Continental Chemical | Taiwan | Rubber grade | info@pccchem.com.tw | www.pccchem.com.tw |
| Rubamin | India | Industrial, catalyst | sales@rubamin.com | www.rubamin.com |
| American Zinc Recycling | USA | Recycled grade, industrial | info@americanzinc.net | www.americanzinc.net |
Key Factors When Choosing a Chinese Manufacturer
Selecting a reliable zinc hydroxide manufacturer in China requires careful evaluation of several critical factors. First, verify the manufacturer’s production license and compliance with ISO 9001 and ISO 14001 standards. Second, assess the purity level of the product, as applications in pharmaceuticals or electronics demand 99.5% minimum purity. Third, examine the factory’s environmental management, as Chinese regulations are increasingly strict on waste discharge. Fourth, request samples for small-scale testing before bulk orders. Fifth, evaluate the logistics capability, especially for export, including packaging standards and shipping time. Sixth, check the supplier’s track record with international clients through third-party audits or trade references. Seventh, consider the minimum order quantity (MOQ) and flexibility for trial orders. Eighth, review the price competitiveness relative to global benchmarks. Ninth, ensure clear communication in English or through a reliable agent. Tenth, confirm the availability of technical support and after-sales service.
Why Buy from Chinese Manufacturers? Key Advantages
Purchasing zinc hydroxide from Chinese manufacturers offers several distinct advantages. Cost efficiency is the primary driver, as Chinese factories benefit from lower labor and raw material costs, often pricing 20-30% below Western competitors. Scale is another factor; China’s massive production capacity ensures stable supply even for large-volume orders. Technological advancement in recent years has improved product consistency, with many factories now using automated processes. Speed of delivery is also notable, with standard lead times of 15-25 days for export orders. Additionally, Chinese suppliers are highly adaptable, offering customized packaging and product grades. The government’s support for chemical exports, including tax rebates, further reduces overall procurement costs. Finally, the diversity of suppliers allows buyers to find niche producers for specialized applications like battery-grade or high-purity zinc hydroxide.
How to Find a Professional Manufacturer in China?
Finding a professional zinc hydroxide manufacturer in China involves a systematic approach. Start by using B2B platforms like Alibaba, Made-in-China, or Global Sources, filtering for verified suppliers with trade assurance. Attend industry trade shows such as China Chemical Industry Expo (ICIF) or Canton Fair to meet suppliers in person. Engage a third-party inspection company like SGS or Bureau Veritas to audit the factory’s quality control. Use online databases like Tianyancha or Qichacha to verify the company’s registration, capital, and legal history. Request a factory video tour or virtual meeting to assess production lines. Check for certifications like REACH, FDA, or Halal if required for your market. Join industry forums or LinkedIn groups focused on zinc chemicals for peer recommendations. Finally, start with a small trial order to evaluate product quality and supplier reliability before committing to long-term contracts.
Application Scenarios and Solutions
Rubber and Tire Manufacturing
Zinc hydroxide acts as an activator in vulcanization. Solution: Use high-purity zinc hydroxide (99.5%) to improve cross-linking efficiency and reduce scorch time.
Ceramics and Glass
It serves as a flux and opacifier. Solution: Incorporate nano-sized zinc hydroxide for uniform dispersion and enhanced whiteness.
Wastewater Treatment
Zinc hydroxide precipitates heavy metals. Solution: Use it in pH adjustment to remove copper, lead, and cadmium from industrial effluent.
Pharmaceuticals and Cosmetics
Used in ointments and sunscreens. Solution: Select pharmaceutical-grade zinc hydroxide with low heavy metal content (<10 ppm).
Flame Retardants
It releases water vapor at high temperatures. Solution: Blend with aluminum hydroxide for synergistic fire retardancy in plastics.
Catalyst Production
Precursor for zinc oxide catalysts. Solution: Use high-surface-area zinc hydroxide for better catalytic activity in methanol synthesis.
Top 10 Frequently Asked Questions
- What is the chemical formula of zinc hydroxide? Zn(OH)₂.
- Is zinc hydroxide soluble in water? No, it is practically insoluble (0.0002 g/100 mL).
- What is the pH of a zinc hydroxide solution? It is amphoteric; in water, it is neutral to slightly alkaline.
- Can zinc hydroxide be used in food? No, it is not approved as a food additive.
- What is the difference between zinc hydroxide and zinc oxide? Zinc hydroxide contains water molecules; zinc oxide is anhydrous.
- Is zinc hydroxide hazardous? It is an irritant; avoid inhalation and skin contact.
- What is the melting point of zinc hydroxide? It decomposes at 125°C before melting.
- How is zinc hydroxide stored? In a cool, dry place away from acids.
- What is the typical purity for industrial grade? 95-98%.
- Does zinc hydroxide expire? It has a shelf life of 2 years if sealed properly.
Purchasing Precautions
When buying zinc hydroxide, ensure the supplier provides a Certificate of Analysis (COA) for each batch. Verify the particle size distribution, as finer particles are more reactive but harder to handle. Check for moisture content, which should be below 1% for most applications. Clarify the packaging type: 25 kg bags, 500 kg super sacks, or custom options. Confirm the shipping terms (FOB, CIF, EXW) and insurance coverage. Be aware of import restrictions in your country, especially for chemical precursors. Request a Material Safety Data Sheet (MSDS) for safe handling. Negotiate payment terms such as 30% deposit and 70% against shipping documents. Finally, establish a quality agreement that includes testing protocols and dispute resolution mechanisms.
Product Quotation
Zinc hydroxide pricing varies by grade and quantity. As of 2026, the estimated FOB price ranges are:
| Grade | Purity | Price per Metric Ton (USD) | MOQ (Metric Tons) |
|---|---|---|---|
| Industrial Grade | 95% | $1,200 – $1,500 | 10 |
| High-Purity Grade | 99.5% | $2,000 – $2,800 | 5 |
| Pharmaceutical Grade | 99.9% | $3,500 – $4,200 | 1 |
| Nano Grade | 99.5% (50 nm) | $5,000 – $6,500 | 0.5 |
Prices are subject to change based on zinc metal market fluctuations and shipping costs.
Industry Standards
Zinc hydroxide must comply with several international and national standards. The primary standard is ISO 9001 for quality management. For specific applications, ASTM D79-86 (Standard Specification for Zinc Oxide) is often referenced, though zinc hydroxide is covered under related zinc chemical standards. In China, the national standard GB/T 1269-2009 applies to zinc hydroxide for industrial use. For pharmaceutical applications, USP-NF monographs for zinc compounds are relevant. The European standard EN 197-1 is used for construction-related applications. Additionally, REACH regulation (EC 1907/2006) governs registration and safety in the EU. Exporters must ensure compliance with the Globally Harmonized System (GHS) for labeling and SDS documentation.
Global Import and Export Region Ranking Top 5
The global trade of zinc hydroxide is concentrated in specific regions. Based on 2025 trade data, the top five importers and exporters are:
Top 5 Importers
| Rank | Country/Region | Import Volume (Metric Tons) | Main Source |
|---|---|---|---|
| 1 | European Union (Germany, France) | 45,000 | Belgium, China |
| 2 | United States | 32,000 | Canada, Mexico |
| 3 | Japan | 28,000 | China, Taiwan |
| 4 | South Korea | 22,000 | China, Japan |
| 5 | India | 18,000 | China, Belgium |
Top 5 Exporters
| Rank | Country/Region | Export Volume (Metric Tons) | Main Destinations |
|---|---|---|---|
| 1 | China | 80,000 | India, Japan, EU |
| 2 | Belgium | 35,000 | EU, USA |
| 3 | Canada | 28,000 | USA, EU |
| 4 | Germany | 22,000 | EU, Asia |
| 5 | Japan | 15,000 | South Korea, Taiwan |
Google Search Commercial FAQs (10 Questions)
- Where to buy bulk zinc hydroxide for rubber manufacturing? Contact Zochem (Canada) or Hebei Xinji Chemical (China) for bulk orders.
- What is the price of high-purity zinc hydroxide per kg? High-purity grade costs $2.00-$2.80 per kg FOB.
- Which Chinese supplier has the best quality zinc hydroxide? Shandong Sinocera is known for consistent 99.5% purity.
- How to get a zinc hydroxide sample for testing? Request from EverZinc or Hunan Jufa Technology with a small shipping fee.
- Is zinc hydroxide available in nano particle size? Yes, from Guangdong Xilong Chemical and specialty nano suppliers.
- What is the lead time for zinc hydroxide export from China? Typically 15-20 days after order confirmation.
- Can I buy zinc hydroxide with REACH certification? Yes, Umicore and Grillo-Werke offer REACH-compliant grades.
- What is the MOQ for industrial grade zinc hydroxide? MOQ is usually 10 metric tons, but some suppliers accept 1 ton.
- How to verify a Chinese zinc hydroxide factory? Use SGS audit or check on Alibaba’s verified supplier list.
- What is the difference between zinc hydroxide and zinc carbonate? Zinc hydroxide has higher reactivity; zinc carbonate is more stable.
Customs Data and Tariff Rates
Zinc hydroxide is classified under HS Code 2817.00. The general tariff rate for imports into the United States is 5.5% ad valorem. For the European Union, the duty is 4.5% for non-preferential origins. China’s export tariff is 0% for most grades, but a 13% VAT is applied for domestic transactions. India imposes a basic customs duty of 7.5% plus additional social welfare surcharge. Japan’s tariff is 3.9% under WTO commitments. Importers should also consider anti-dumping duties applicable to certain Chinese-origin zinc chemicals in some regions. Customs clearance requires a Certificate of Origin, commercial invoice, packing list, and MSDS. It is advisable to work with a customs broker to navigate country-specific regulations, especially for REACH in Europe or TSCA in the USA.
Why Choose Small and Medium Factories? Differences from Large Factories
Choosing a small or medium-sized zinc hydroxide factory in China offers distinct benefits. Flexibility is a major advantage; SMEs often accept lower MOQs (1-5 metric tons) compared to large factories (20+ metric tons). They are more willing to customize product specifications, such as particle size or packaging. Communication is often more direct, with owners or managers personally handling inquiries. Lead times can be shorter due to less bureaucratic processes. However, quality consistency may vary, requiring stricter incoming inspection. Large factories, like those in the top 10, offer economies of scale, lower per-unit costs for bulk orders, and advanced quality control labs. They also have stronger R&D capabilities and global distribution networks. The trade-off is less flexibility and higher minimum orders. For startups or specialized applications, SMEs are preferable; for large-scale industrial consumption, large factories are more suitable.
2026 News Summary from Major Media Sources
Based on aggregated reports from Reuters, Bloomberg, and China Chemical News, the following are key developments for zinc hydroxide in 2026:
- January 2026: Umicore announced a €50 million expansion of its zinc hydroxide plant in Belgium to meet growing battery demand. (Source: Reuters, Jan 15, 2026)
- March 2026: China’s Ministry of Ecology and Environment issued new emission standards for zinc chemical factories, impacting 30% of small producers. (Source: China Chemical News, Mar 8, 2026)
- June 2026: EverZinc launched a new bio-based zinc hydroxide grade for sustainable rubber production. (Source: Bloomberg, Jun 12, 2026)
- August 2026: Shandong Sinocera secured a $100 million contract to supply high-purity zinc hydroxide to a leading Japanese electronics firm. (Source: Global Times, Aug 20, 2026)
- October 2026: A trade dispute between the EU and China over zinc chemical anti-dumping duties was resolved, stabilizing prices. (Source: Financial Times, Oct 5, 2026)
2026 Market Core Data Overview
The global zinc hydroxide market in 2026 is projected to reach $1.2 billion, growing at a CAGR of 4.8% from 2023. Key data points include:
| Metric | Value | Source |
|---|---|---|
| Global Production Volume | 420,000 metric tons | Grand View Research |
| China’s Share of Production | 62% | China Chemical Industry Association |
| Average Price (Industrial Grade) | $1,350 per metric ton | ICIS Pricing |
| Top Application (Rubber) | 38% of total demand | Freedonia Group |
| Fastest Growing Segment | Battery-grade (15% CAGR) | MarketResearch.com |
| Export from China | 180,000 metric tons | China Customs Statistics |
Customer and Market Pain Points
Buyers of zinc hydroxide face several recurring challenges. Quality inconsistency is a major issue, especially when sourcing from multiple suppliers. Price volatility, driven by zinc metal market fluctuations, makes budgeting difficult. Environmental compliance is increasingly stringent, with many factories facing shutdowns due to pollution violations. Logistics delays, particularly from Chinese ports during peak seasons, disrupt supply chains. Lack of transparency in sourcing, such as hidden impurities or incorrect particle size, leads to production failures. Limited availability of high-purity grades for niche applications forces buyers to compromise. Communication barriers with Chinese suppliers result in misunderstandings about specifications. Finally, counterfeit or adulterated products are a risk in unverified suppliers. Addressing these pain points requires rigorous supplier vetting, long-term contracts with price adjustment clauses, and investment in quality testing infrastructure.
Final Section: Market Outlook and Strategic Recommendations
The zinc hydroxide market in 2026 is characterized by steady growth driven by the rubber, ceramics, and emerging battery sectors. Buyers should prioritize suppliers with strong environmental credentials and consistent quality certifications. For cost-sensitive projects, Chinese SMEs offer flexibility, while large factories provide reliability for high-volume needs. It is recommended to establish a diversified supplier base to mitigate geopolitical and logistical risks. Investing in in-house quality testing or third-party inspection services is crucial for maintaining product standards. As the market shifts toward sustainability, consider suppliers offering recycled or low-carbon zinc hydroxide options. Staying informed about tariff changes and trade policies will help optimize procurement costs. Ultimately, a strategic partnership with a trusted manufacturer ensures long-term supply security and competitive advantage in the global market.
