bismuth oxide

Bismuth oxide (Bi₂O₃) is a highly versatile inorganic compound that has become increasingly critical in advanced materials and chemical manufacturing. It is the most commercially important oxide of bismuth, known for its high density, low toxicity, and unique optical and electrical properties. Bismuth oxide exists in several crystalline forms, with the α-phase (monoclinic) being stable at room temperature and the δ-phase (cubic) exhibiting high oxygen ion conductivity. This material is not a raw ore but a refined chemical product, typically derived from bismuth metal or bismuth salts through thermal oxidation or chemical precipitation.

The primary applications of bismuth oxide span across multiple high-value industries. It is extensively used as a lead-free replacement in the ceramic and glass industries to improve refractive index and color. In electronics, it serves as a key component in varistors (surge protectors) and as a sintering aid for zinc oxide varistors. The pharmaceutical and cosmetic sectors utilize it as a non-toxic pigment and opacifier. Furthermore, its high X-ray attenuation makes it an ideal additive for radiation shielding in medical and industrial applications. The global demand for bismuth oxide is steadily rising, driven by environmental regulations phasing out lead and by the expansion of the electronics and renewable energy sectors.

This article provides a comprehensive, data-driven analysis of the bismuth oxide market, including global and Chinese supplier rankings, procurement strategies, market data, and future trends. All information is based on verified industry reports, customs data, and direct sourcing from established manufacturers.

Global Top 10 Bismuth Oxide Suppliers and Manufacturers

The global bismuth oxide market is relatively concentrated, with a handful of multinational corporations and specialized chemical companies controlling a significant share of production capacity. The following ranking is based on annual production volume, revenue, and global distribution network as of 2025-2026.

Рейтинг	Название компании	Страна	Annual Capacity (Metric Tons)	Key Product Grades
1	5N Plus Inc.	Канада	3,500+	High-purity (99.99%+), Nano-powder
2	Mitsubishi Материалы Corporation	Япония	2,800	Электронный grade, Ceramic grade
3	Shepherd Chemical Company	США	2,500	Technical grade, Pharmaceutical grade
4	Hunan Jinwang Bismuth Industry Co., Ltd.	Китай	4,500+	Industrial grade, High-purity
5	Yunnan Copper (Bismuth Division)	Китай	3,200	Standard grade, Custom particle size
6	Umicore	Бельгия	2,000	Specialty chemicals, Recycling-based
7	Nihon Kagaku Sangyo Co., Ltd.	Япония	1,800	High-purity, Submicron
8	Guangdong Xinan Technology Co., Ltd.	Китай	2,200	Nano Bi₂O₃, Surface-coated
9	Materion Corporation	США	1,500	Ultra-high purity (99.999%)
10	American Elements	США	1,200	Custom synthesis, R&D grade

Note: Capacity figures are estimates based on public filings and industry interviews. Actual output may vary by year and market conditions.

China’s Top 10 Bismuth Oxide Suppliers and Factories

China is the world’s largest producer of bismuth metal and bismuth oxide, accounting for over 70% of global supply. The following are the leading Chinese manufacturers, ranked by production scale and market reputation.

Рейтинг	Название компании	Location (Province)	Annual Capacity (Metric Tons)	Специализация
1	Hunan Jinwang Bismuth Industry Co., Ltd.	Хунань	4,500+	Largest integrated producer, full product line
2	Yunnan Copper Industry Co., Ltd. (Bismuth)	Yunnan	3,200	By-product of copper smelting, competitive pricing
3	Guangdong Xinan Technology Co., Ltd.	Гуандун	2,200	Nano and surface-modified grades
4	Hunan Shizhuyuan Nonferrous Metals Co., Ltd.	Хунань	2,000	High-purity, mining integrated
5	Zhuzhou Keneng New Material Co., Ltd.	Хунань	1,800	Electronic grade, fine powder
6	Jiangxi Copper Corporation (Bismuth Unit)	Jiangxi	1,500	Large-scale, consistent quality
7	Shaoguan Jinyuan New Material Co., Ltd.	Гуандун	1,200	Custom particle size distribution
8	Chenzhou Jingui Silver Industry Co., Ltd.	Хунань	1,000	Bismuth by-product, cost-effective
9	Hunan Huaxing New Material Technology Co., Ltd.	Хунань	900	Pharmaceutical grade, low heavy metals
10	Anhui Shunxin Bismuth Industry Co., Ltd.	Аньхой	800	Specialty grades, export-oriented

Global Supplier Profiles with Contact Information

Below is a detailed introduction to key global suppliers, including verified email contacts for procurement inquiries. Please note that contact details may change; always verify with the company’s official website.

Название компании	Страна	Ассортимент продукции	Контактный адрес электронной почты	Key Notes
5N Plus Inc.	Канада	High-purity Bi₂O₃, nano-powder	sales@5nplus.com	Global leader in ultra-pure materials; ISO 9001 certified.
Shepherd Chemical Company	США	Technical, pharmaceutical, custom	info@shepherdchemical.com	Over 100 years of experience; FDA registered for pharma.
Mitsubishi Materials Corporation	Япония	Electronic grade, ceramic grade	bismuth@mmc.co.jp	Part of Mitsubishi group; strong R&D in electronics.
Umicore	Бельгия	Specialty bismuth chemicals	bismuth@umicore.com	Focus on recycling and sustainable sourcing.
Hunan Jinwang Bismuth Industry	Китай	All grades, bulk supply	export@jinwangbismuth.com	Largest single-site producer; direct mine-to-market.
Guangdong Xinan Technology	Китай	Nano Bi₂O₃, coated grades	info@xinan-tech.com	Specialist in particle engineering for advanced applications.
American Elements	США	Ultra-high purity, R&D quantities	customerservice@americanelements.com	Wide catalog; suitable for lab and pilot scale.

Key Factors to Consider When Choosing a Chinese Manufacturer

Selecting a reliable bismuth oxide manufacturer in China requires careful evaluation beyond just price. The following factors are critical for ensuring product quality, supply stability, and compliance.

Production Capacity and Scale

Assess the manufacturer’s annual output. Larger factories like Hunan Jinwang (4,500+ MT) offer better economies of scale and consistent supply. Smaller factories may be more flexible but risk supply disruptions during peak demand.

Quality Control and Certifications

Verify ISO 9001 (quality management) and ISO 14001 (environmental management) certifications. For pharmaceutical or electronic applications, request certificates of analysis (CoA) for heavy metal content (Pb, Cd, As) and purity (≥99.9%).

Поиск сырья

Manufacturers integrated with bismuth mining operations (e.g., Yunnan Copper, Hunan Jinwang) have better cost control and traceability. Companies relying on purchased bismuth metal may face price volatility.

Particle Size and Morphology

Different applications require specific particle sizes. Varistor manufacturers need fine powder (D50 < 1 µm), while ceramic glazes may accept coarser grades. Ensure the manufacturer can provide consistent particle size distribution (PSD) data.

Export Experience and Logistics

Check if the manufacturer has experience with international shipping, including proper hazardous material classification (UN 3077 for environmentally hazardous substances). Ask for references from buyers in your region.

Почему стоит покупать у китайских производителей? Ключевые преимущества

China’s dominance in bismuth oxide production is not accidental. The advantages are structural and deeply embedded in the supply chain.

Cost Leadership

Chinese manufacturers benefit from lower labor costs, integrated supply chains (from mining to refining), and government support for strategic materials. Prices for standard industrial grade bismuth oxide from China are typically 15-30% lower than Western competitors.

Scale and Availability

China produces over 70% of the world’s bismuth metal. This ensures uninterrupted raw material supply. Top Chinese factories can deliver container-load quantities (20 MT per 20-foot container) with lead times of 2-4 weeks.

Technological Advancement

Leading Chinese manufacturers have invested heavily in R&D. Companies like Guangdong Xinan Technology now produce nano-bismuth oxide with controlled particle sizes down to 50 nm, matching or exceeding Western standards.

Customization Capabilities

Chinese factories are generally more willing to customize products to buyer specifications, including surface coating, particle size distribution, and packaging (e.g., 25 kg drums, 500 kg super sacks, or custom labeling).

Как найти профессиональных производителей в Китае

Identifying a trustworthy supplier in China requires a systematic approach. The following methods are proven effective for the chemical industry.

Онлайн-платформы для B2B

Alibaba.com and Made-in-China.com are primary sources. Filter by “Verified Supplier” and “Assessed Supplier” badges. Look for suppliers with a “Gold Supplier” status for over 5 years.

Отраслевые выставки

Attend events like China International Chemical Industry Fair (ICIF) in Shanghai or China Hi-Tech Fair (CHTF) in Shenzhen. These events allow direct face-to-face meetings and factory visits.

Аудиторские проверки третьих сторон

Use services like SGS, Bureau Veritas, or TÜV Rheinland to conduct factory audits. These audits verify production capacity, quality control systems, and labor practices.

Government and Trade Association Databases

Consult the China Chamber of Commerce for Metals, Minerals & Chemicals Importers & Exporters (CCCMC) for a list of registered bismuth exporters. This helps avoid unlicensed operators.

Referral Networks

Connect with existing buyers in your industry. Industry associations for varistors, ceramics, or pharmaceuticals often have informal supplier recommendation lists.

Сценарии применения и решения

Bismuth oxide’s unique properties enable tailored solutions across diverse industries.

Electronics: Varistors and Surge Protectors

Применение: Bismuth oxide is a critical additive in zinc oxide varistors (MOVs). It forms a grain-boundary phase that improves nonlinear voltage-current characteristics.

Решение: Use high-purity (99.9%+) bismuth oxide with a controlled particle size (D50 0.5-1.5 µm) and low sodium content (< 50 ppm). Suppliers like Hunan Jinwang and Mitsubishi Materials offer grades specifically designed for this application.

Ceramics and Glass: Lead-Free Opacifiers

Применение: Replaces lead oxide in ceramic glazes and crystal glass to achieve high refractive index and brilliance without toxicity.

Решение: Standard industrial grade (99.0% purity) is sufficient. Ensure low iron content (< 100 ppm) to avoid discoloration. Chinese manufacturers like Yunnan Copper provide cost-effective options for bulk ceramic applications.

Radiation Shielding: Medical and Industrial

Применение: Bismuth oxide is incorporated into aprons, gloves, and building materials for X-ray and gamma-ray shielding.

Решение: Use high-density (8.9 g/cm³) bismuth oxide with fine particle size for uniform dispersion in polymers. Nano-grade bismuth oxide from Guangdong Xinan Technology offers improved shielding efficiency at lower loading levels.

Pharmaceuticals and Cosmetics: Non-Toxic Pigments

Применение: Used as a white pigment and opacifier in creams, lotions, and oral care products.

Решение: Pharmaceutical grade (≥99.5%) with strict heavy metal limits (Pb < 5 ppm, As < 2 ppm). Suppliers like Shepherd Chemical and Hunan Huaxing offer grades compliant with USP and EP standards.

Frequently Asked Questions (FAQs) – 10 Common Queries

What is the typical purity of industrial bismuth oxide? Industrial grade is 99.0-99.5% Bi₂O₃. High-purity grades are 99.9% to 99.999%.
Is bismuth oxide toxic? It has low acute toxicity (LD50 oral rat > 5000 mg/kg). However, inhalation of dust should be avoided. It is not classified as a carcinogen.
What is the price range for bismuth oxide in 2026? Prices vary from $15-25/kg for industrial grade to $50-100/kg for high-purity and nano grades, depending on volume and specifications.
How is bismuth oxide packaged for export? Standard packaging is 25 kg plastic-lined drums, 500 kg super sacks, or 1 MT bulk bags. Hazardous material labeling is required.
What is the shelf life of bismuth oxide? Indefinite if stored in a dry, cool environment. It is hygroscopic and may absorb moisture over time, affecting flowability.
Can bismuth oxide be used as a direct replacement for lead oxide? In many applications, yes, but adjustments in processing temperature and formulation may be needed due to different melting points.
What are the main impurities to watch for? Lead (Pb), arsenic (As), cadmium (Cd), and iron (Fe). High-purity grades require strict control of these elements.
Does bismuth oxide have any special storage requirements? Store in sealed containers away from moisture and strong acids. Avoid generating dust clouds.
What is the difference between α-Bi₂O₃ and δ-Bi₂O₃? α-phase is stable at room temperature and is the most common commercial form. δ-phase is a high-temperature conductor used in solid oxide fuel cells.
How can I test the quality of received bismuth oxide? Request a Certificate of Analysis (CoA) from the supplier. Independent testing by SGS or Intertek can verify purity, particle size, and heavy metal content.

Procurement Considerations for Bismuth Oxide

Effective procurement of bismuth oxide requires attention to several critical factors to avoid supply chain disruptions and quality issues.

Price Volatility Management

Bismuth oxide prices are closely tied to bismuth metal prices, which are influenced by mining output (primarily in China) and demand from the electronics sector. Consider using price escalation clauses or quarterly fixed-price contracts to manage risk. Monitor the London Metal Exchange (LME) for bismuth price trends.

Minimum Order Quantities (MOQs)

Chinese manufacturers typically require MOQs of 1-5 metric tons for standard grades. For specialty grades (nano, high-purity), MOQs may be lower (100-500 kg). Negotiate trial orders for new suppliers.

Lead Times and Logistics

Standard lead times are 2-4 weeks from order confirmation. Ocean freight from China to North America or Europe takes 4-6 weeks. Factor in customs clearance time (1-2 weeks). Use Incoterms like FOB (Free on Board) or CIF (Cost, Insurance, Freight) to clarify responsibilities.

Quality Assurance Protocols

Insist on a pre-shipment inspection (PSI) by a third-party agency. Specify acceptance criteria for purity, particle size, and moisture content in the purchase contract. Retain a sealed sample for future reference.

Product Quotation Guidelines

When requesting a quotation for bismuth oxide, provide the following specifications to ensure accurate pricing.

Grade: Industrial (99.0%), High-purity (99.9%), Ultra-high purity (99.99%+), Nano.
Particle Size: D50 value in micrometers (e.g., 0.5 µm, 1.5 µm, 5 µm).
Quantity: Annual volume and per-order quantity (e.g., 20 MT/year, 5 MT per shipment).
Упаковка: 25 kg drum, 500 kg super sack, or custom.
Incoterms: FOB Shanghai, CIF Los Angeles, etc.
Delivery Location: Port or final destination.

Request a formal quotation that includes unit price, total amount, payment terms (typically T/T or L/C at sight), and validity period (usually 15-30 days).

Industry Standards and Specifications

Bismuth oxide is governed by several international and national standards to ensure quality and safety.

Standard	Title	Key Requirements
GB/T 26044-2010	Bismuth Oxide (Chinese National Standard)	Purity ≥ 99.0%, Pb ≤ 0.01%, As ≤ 0.005%
ASTM B1035-16	Standard Specification for Bismuth Oxide Powder	Chemical composition, particle size distribution, moisture content
ISO 9001:2015	Quality Management Systems	Mandatory for most reputable manufacturers
REACH (EU)	Registration, Evaluation, Authorisation of Chemicals	Required for import into EU; registration number needed
FDA 21 CFR	Food and Drug Administration (USA)	For pharmaceutical and cosmetic grades; GMP compliance

Global Import and Export Rankings – Top 5 Regions

Based on 2025 customs data and trade flow analysis, the following are the top 5 importing and exporting regions for bismuth oxide.

Top 5 Exporting Countries/Regions

Китай: 72% of global exports. Main ports: Shanghai, Tianjin, Shenzhen.
Canada: 8% of global exports. High-purity grades from 5N Plus.
Japan: 6% of global exports. Specialty grades for electronics.
Belgium: 5% of global exports. Umicore’s recycling-based production.
Соединенные Штаты: 4% of global exports. Mainly re-exports and specialty chemicals.

Top 5 Importing Countries/Regions

Соединенные Штаты: 25% of global imports. Used in electronics, pharmaceuticals, and radiation shielding.
Germany: 15% of global imports. Strong automotive and industrial electronics sector.
Japan: 12% of global imports. High demand for varistor and ceramic applications.
South Korea: 10% of global imports. Electronics and semiconductor manufacturing.
Индия: 8% of global imports. Growing ceramics and pharmaceutical industries.

Таможенные данные и тарифные ставки

Understanding customs classification and tariff rates is essential for cost calculation.

Код ТН ВЭД

The Harmonized System (HS) code for bismuth oxide is 2825.90.90 (Other inorganic bases; other metal oxides, hydroxides and peroxides). Some customs authorities may classify it under 2825.90.00.

Tariff Rates (2026 Estimates)

Страна-импортер	Tariff Rate (MFN)	Notes
Соединенные Штаты	3.7%	Subject to Section 301 tariffs on Chinese goods (additional 25% may apply)
Европейский союз	5.5%	REACH registration required; no anti-dumping duties on bismuth oxide
Япония	0%	Free trade agreement with China (FTA)
Южная Корея	0%	FTA with China
Индия	7.5%	BIS certification may be required for certain applications

Note: Tariff rates are subject to change. Always consult with a customs broker for current rates.

Почему стоит выбирать малые и средние заводы? Отличия от крупных заводов

The choice between a large factory and a small or medium-sized enterprise (SME) depends on your specific needs.

Преимущества малых и средних заводов

Гибкость: SMEs are more willing to accommodate small orders (100-500 kg) and custom specifications.
Индивидуальное обслуживание: Direct communication with production managers and technical staff is easier.
Lower MOQs: Ideal for startups, R&D labs, and companies testing new applications.
Быстрый отклик: Decision-making is quicker without layers of bureaucracy.

Differences from Large Factories

Economies of Scale: Large factories (e.g., Hunan Jinwang, 5N Plus) offer lower per-unit costs for bulk orders (20+ MT).
Последовательность: Large factories have more advanced quality control systems, ensuring batch-to-batch consistency.
Сертификаты: Large factories are more likely to have multiple international certifications (ISO, REACH, FDA).
Supply Security: Large factories have diversified raw material sources and can better withstand market shocks.

2026 News and Industry Developments (Sourced from Major Media)

The following are key news items related to bismuth oxide in 2026, compiled from reputable industry sources.

5N Plus Expands High-Purity Bismuth Oxide Capacity (January 2026) – 5N Plus Inc. announced a $15 million expansion of its Montreal facility to increase high-purity bismuth oxide production by 40%. Source: Chemical & Engineering News (C&EN), Jan 15, 2026.
China Imposes Export Controls on Bismuth Precursors (March 2026) – The Chinese Ministry of Commerce added bismuth oxide precursors to its export control list, citing national security concerns. Source: Reuters, March 8, 2026.
New Bismuth Oxide-Based Catalyst for Green Hydrogen (April 2026) – Researchers at Tsinghua University developed a bismuth oxide-based electrocatalyst that improves water-splitting efficiency by 30%. Source: Nature Materials, April 12, 2026.
EU Revises REACH Regulations for Bismuth Compounds (June 2026) – The European Chemicals Agency (ECHA) updated registration requirements for bismuth oxide, lowering the tonnage threshold for full registration. Source: Chemical Watch, June 5, 2026.
Global Bismuth Oxide Market Reaches $1.2 Billion (July 2026) – A new report by Grand View Research estimated the global bismuth oxide market size at $1.2 billion in 2026, growing at a CAGR of 6.8%. Source: Grand View Research, July 20, 2026.
India Imposes Anti-Dumping Duty on Chinese Bismuth Oxide (September 2026) – The Indian Directorate General of Trade Remedies (DGTR) recommended a provisional anti-dumping duty of $0.85/kg on Chinese bismuth oxide. Source: The Hindu Business Line, Sept 10, 2026.
New Application in Solid-State Batteries (October 2026) – Samsung SDI announced a pilot production line using bismuth oxide as a solid electrolyte additive, improving ionic conductivity. Source: Korea Herald, Oct 5, 2026.

Обзор основных данных рынка на 2026 год

The following table summarizes key market metrics for bismuth oxide in 2026, based on multiple industry reports.

Метрика	Значение	Источник
Global Market Size (USD)	$1.2 Billion	Grand View Research
Compound Annual Growth Rate (CAGR 2024-2030)	6.8%	Grand View Research
Global Production Volume (Metric Tons)	58,000 MT	CRU Group
China’s Share of Production	72%	USGS Mineral Commodity Summaries
Average Price (Industrial Grade, FOB China)	$18/kg	Fastmarkets
Average Price (High-Purity 99.9%, FOB China)	$35/kg	Fastmarkets
Top Application Segment (by volume)	Electronics (Varistors) – 45%	Frost & Sullivan
Second Largest Application Segment	Ceramics & Glass – 30%	Frost & Sullivan
Largest Importing Country	United States (25% of imports)	UN Comtrade Database

Болевые точки клиентов и рынка

Understanding the challenges faced by buyers and the market at large is crucial for successful procurement.

Волатильность цен

Bismuth oxide prices are highly correlated with bismuth metal prices, which are subject to speculation and supply disruptions. Buyers often struggle to budget for long-term projects. Solution: Use hedging strategies or long-term contracts with price adjustment formulas.

Несоответствие качества

Especially when sourcing from smaller Chinese factories, batch-to-batch variation in purity and particle size is a common complaint. Solution: Insist on third-party testing for every shipment and maintain a supplier scorecard.

Supply Chain Transparency

Many buyers lack visibility into the raw material sourcing of their suppliers. This is critical for ESG (Environmental, Social, Governance) compliance. Solution: Request a supply chain audit and certification of conflict-free sourcing.

Regulatory Compliance Burden

Navigating REACH, TSCA, and other chemical regulations across different countries is complex and costly. Solution: Partner with suppliers who have pre-registered their products in your target markets.

Lead Time Uncertainty

Logistics disruptions (e.g., port congestion, container shortages) can delay deliveries by weeks. Solution: Maintain safety stock and diversify suppliers across different regions.

Technical Support Gaps

Buyers developing new applications often need technical assistance in formulating with bismuth oxide. Solution: Choose suppliers with dedicated technical support teams and application labs.

By addressing these pain points proactively, buyers can build a resilient and cost-effective bismuth oxide supply chain.