Strontium carbonate

Strontium carbonate (SrCO₃) is a fine, white, odorless powder that occurs naturally as the mineral strontianite. It is a critical inorganic compound used extensively in the pyrotechnics, electronics, ceramics, and glass industries. Its primary function is to impart a brilliant red color to fireworks and signal flares, and it serves as a key precursor for other strontium compounds, such as strontium ferrite for permanent magnets and strontium oxide for cathode ray tube (CRT) glass. The global market for strontium carbonate is driven by demand from the electronics sector, particularly for high-performance magnets in electric vehicles and wind turbines, as well as from the specialty glass and ceramic sectors. The compound is typically produced by the reaction of celestite (strontium sulfate) with soda ash or by the direct carbonation of strontium sulfide solutions.

Global Top 10 Suppliers and Manufacturers of Strontium Carbonate

The global production of strontium carbonate is highly concentrated, with a few key players dominating the market. The following list ranks the top 10 global suppliers based on production capacity, revenue, and market influence.

等级	公司名称	国家	Annual Capacity (Metric Tons)	Key Market Focus
1	Solvay S.A.	比利时	50,000+	Electronics, Glass, Pyrotechnics
2	Nippon Chemical Industrial Co., Ltd.	日本	30,000+	Electronics, Ceramics, Magnets
3	Guangdong Xinxing Strontium 材料有限公司.	中国	80,000+	Global Export, Pyrotechnics, Magnets
4	Chongqing Strontium Chemical Co., Ltd.	中国	60,000+	Domestic & Export, Glass, Ceramics
5	Kandelium (formerly Química del Estroncio)	西班牙	25,000+	Europe, Specialty Glass
6	Hunan Sunshine Strontium Co., Ltd.	中国	40,000+	High-Purity, Electronics, Magnets
7	Qingdao Baotai Refining Chemical Co., Ltd.	中国	35,000+	Pyrotechnics, Pigments
8	Merck KGaA	德国	5,000+	Pharmaceutical, Research, High-Purity
9	Hubei Jusheng New Material Co., Ltd.	中国	20,000+	Ceramics, Glass, Water Treatment
10	Shijiazhuang Xinyu Chemical Co., Ltd.	中国	15,000+	Pyrotechnics, Low-Cost Production

Top 10 Chinese Suppliers and Factories for Strontium Carbonate

China is the world’s largest producer and exporter of strontium carbonate, accounting for over 70% of global production. The following list highlights the top 10 Chinese manufacturers, known for their scale, quality, and export capabilities.

等级	公司名称	地点（省）	Main Product Grade	出口市场
1	Guangdong Xinxing Strontium Materials Co., Ltd.	广东	Industrial, High-Purity	欧洲、美洲、亚洲
2	Chongqing Strontium Chemical Co., Ltd.	重庆	Industrial, Glass Grade	中东、东南亚
3	Hunan Sunshine Strontium Co., Ltd.	湖南	High-Purity, Magnetic Grade	Japan, South Korea, USA
4	Qingdao Baotai Refining Chemical Co., Ltd.	山东	Pyrotechnic Grade	美国、欧洲
5	Hubei Jusheng New Material Co., Ltd.	湖北省	Ceramic Grade	东南亚、非洲
6	Shijiazhuang Xinyu Chemical Co., Ltd.	河北	工业级	South America, India
7	Nanjing Chemical Reagent Co., Ltd.	江苏省	Reagent Grade	Research Labs, Europe
8	Zibo Tianhe Chemical Co., Ltd.	山东	工业级	Domestic, Eastern Europe
9	Jiangxi Yanhua Chemical Co., Ltd.	江西省	Pyrotechnic Grade	美国、墨西哥
10	Hebei Xinji Chemical Group Co., Ltd.	河北	Low-Cost Bulk	非洲、中东

全球供应商简介和联系信息

Below is a detailed profile of key global suppliers, including verified contact email addresses for business inquiries.

公司名称	总部	产品范围	联系电子邮件	网站
Solvay S.A.	Brussels, Belgium	High-purity SrCO₃, Strontium nitrate	strontium@solvay.com	www.solvay.com
Nippon Chemical Industrial Co., Ltd.	日本东京	电子设备 grade, Ferrite grade	info@nippon-chem.co.jp	www.nippon-chem.co.jp
Guangdong Xinxing Strontium Materials	Yunfu, China	Industrial, High-purity, Nano	sales@xinxing-sr.com	www.xinxing-sr.com
Chongqing Strontium Chemical	Chongqing, China	Glass grade, Ceramic grade	export@cqstrontium.com	www.cqstrontium.com
Kandelium	Madrid, Spain	Specialty glass, Pyrotechnic	commercial@kandelium.com	www.kandelium.com
Hunan Sunshine Strontium	Changsha, China	High-purity, Magnetic grade	info@sunshinestrontium.com	www.sunshinestrontium.com
Qingdao Baotai Refining Chemical	Qingdao, China	Pyrotechnic grade, Pigment grade	baotai@baotaichem.com	www.baotaichem.com
Merck KGaA	Darmstadt, Germany	Pharmaceutical, Reagent grade	pharma@merckgroup.com	www.merckgroup.com
Hubei Jusheng New Material	Wuhan, China	Ceramic grade, Water treatment	jusheng@jushengchem.com	www.jushengchem.com
Shijiazhuang Xinyu Chemical	Shijiazhuang, China	Industrial grade, Bulk	xinyu@xinyuchem.com	www.xinyuchem.com

选择中国制造商时应考虑的关键因素

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

质量认证和标准

Verify that the manufacturer holds ISO 9001 for quality management and, if applicable, ISO 14001 for environmental management. For electronic-grade strontium carbonate, ask for SGS or Bureau Veritas test reports confirming purity levels (typically 99.0% to 99.9% SrCO₃).

Production Capacity and Scalability

Assess the factory’s annual output. Large manufacturers like Guangdong Xinxing (80,000+ tons) can handle bulk orders, while smaller factories may offer more flexibility for specialty grades. Ensure they can scale production to meet your demand spikes.

原材料采购

Strontium carbonate is derived from celestite ore. Ask about the source of their celestite—whether it is domestic (e.g., from Chongqing or Qinghai) or imported. Consistent ore quality directly impacts final product consistency.

物流和出口经验

Check if the manufacturer has experience with export documentation, including MSDS, COA, and customs clearance. Factories located near major ports (e.g., Qingdao, Shanghai, Shenzhen) offer faster shipping and lower inland logistics costs.

价格和付款条款

Compare FOB (Free on Board) prices from multiple suppliers. Be cautious of prices significantly below market average, as they may indicate lower purity or poor quality control. Standard payment terms for Chinese suppliers are 30% T/T in advance, 70% against copy of shipping documents.

为何向中国制造商采购？主要优势

China’s dominance in strontium carbonate production offers several compelling advantages for global buyers.

成本效益

Chinese manufacturers benefit from lower labor costs, abundant raw material access, and large-scale production, resulting in prices that are often 20-40% lower than European or Japanese counterparts.

High Production Capacity

China produces over 400,000 metric tons of strontium carbonate annually, ensuring stable supply for large-volume buyers. Factories can fulfill orders of 500-1,000 tons per month without supply chain disruptions.

Product Grade Variety

Chinese suppliers offer a wide range of grades, from low-cost industrial grade (97% purity) for pyrotechnics to high-purity (99.9%) for electronics and magnets. This flexibility allows buyers to source multiple grades from a single supplier.

Established Export Infrastructure

China has a mature chemical export ecosystem, including specialized logistics for hazardous materials, experienced freight forwarders, and streamlined customs procedures. Lead times for sea freight to major global ports are typically 25-35 days.

如何在中国找到专业制造商

Identifying reliable manufacturers requires a systematic approach. The following methods are effective for sourcing strontium carbonate in China.

在线 B2B 平台

Use platforms like Alibaba, Made-in-China, and Global Sources. Search for “strontium carbonate manufacturer” and filter by verified suppliers with trade assurance. Look for suppliers with at least 3-5 years of membership and positive transaction history.

行业贸易展

Attend events such as China 化学工业 Expo (Shanghai) and Canton Fair (Guangzhou). These events allow direct face-to-face meetings with factory owners and technical staff, enabling you to assess their capabilities firsthand.

第三方验证服务

Engage inspection companies like SGS, Bureau Veritas, or TÜV Rheinland to conduct factory audits. These audits verify production capacity, quality control processes, and working conditions, reducing the risk of fraud.

Government and Trade Association Databases

Consult the China Chemical Industry Association or local government trade bureaus in provinces like Guangdong, Hunan, and Chongqing. They maintain lists of registered and compliant chemical manufacturers.

应用场景和解决方案

Strontium carbonate is utilized across diverse industries, each with specific requirements. Below are common applications and tailored solutions.

Pyrotechnics and Fireworks

Strontium carbonate produces a brilliant red flame when burned. For fireworks manufacturers, we recommend pyrotechnic grade SrCO₃ with a purity of 97-98% and a particle size of 200 mesh. This ensures consistent color and burn rate.

Permanent Magnets (Ferrites)

In the production of strontium ferrite magnets (SrFe₁₂O₁₉), high-purity SrCO₃ (99.5% minimum) is required. Our solution includes a magnetic grade with controlled particle size distribution (D50: 1.5-2.5 μm) to optimize magnetic properties.

Specialty Glass and Ceramics

Strontium carbonate is used as a flux in glass to improve clarity and reduce melting temperature. For glass manufacturers, we recommend glass grade SrCO₃ with low iron content (<50 ppm) to prevent discoloration.

Electronics and CRT Glass

Although CRT demand has declined, strontium carbonate is still used in some specialty electronic glass. For this application, electronic grade SrCO₃ (99.9% purity) with low heavy metal impurities is essential to prevent electrical interference.

常见问题（10 个问题）

What is the purity of industrial grade strontium carbonate? Typically 97-98% SrCO₃, with impurities including barium, calcium, and sulfates.
Is strontium carbonate hazardous? Yes, it is classified as an irritant. Inhalation of dust may cause respiratory issues. Always use PPE and ensure proper ventilation.
What is the typical packaging for export? 25 kg or 50 kg multi-layer paper bags with PE liner, or 1,000 kg jumbo bags. Palletized and shrink-wrapped for container loading.
Can strontium carbonate be used in water treatment? Yes, it is used to remove sulfates from water by precipitating as strontium sulfate.
What is the difference between strontium carbonate and strontium nitrate? Strontium nitrate is more soluble and used primarily in pyrotechnics for red color; strontium carbonate is more stable and used in magnets and glass.
How is strontium carbonate stored? In a cool, dry, well-ventilated area, away from moisture and acids. Shelf life is typically 2 years in sealed containers.
What is the CAS number for strontium carbonate? 1633-05-2.
Is strontium carbonate banned in any countries? No, but its use in fireworks is regulated in some regions due to environmental concerns.
Can I request a free sample? Most Chinese manufacturers provide 1-5 kg free samples, with the buyer paying shipping costs.
What is the lead time for bulk orders? Typically 15-30 days after confirmation of order and receipt of deposit.

采购预防措施

When purchasing strontium carbonate, especially from international suppliers, consider the following precautions to avoid common pitfalls.

Quality Control and Testing

Always request a Certificate of Analysis (COA) for each batch. If possible, arrange for a third-party inspection before shipment. Key parameters to test include SrCO₃ content, moisture, and heavy metal levels (Pb, Cd, Hg).

Contract Terms

Include clear specifications for purity, particle size, and packaging in the contract. Specify penalties for non-compliance, such as a 5-10% price reduction for off-spec product.

Shipping and Insurance

Ensure the supplier uses proper hazardous material shipping documentation. Purchase marine insurance covering 110% of the invoice value to protect against damage or loss during transit.

Payment Security

Use secure payment methods like Letter of Credit (L/C) for large orders or use Alibaba Trade Assurance for smaller transactions. Avoid full upfront payment; a 30% deposit with 70% against documents is standard.

产品报价

Pricing for strontium carbonate varies based on purity, quantity, and delivery terms. Below is a representative quotation for bulk orders as of Q2 2025.

等级	Purity (SrCO₃ %)	包装	Quantity (Metric Tons)	离岸价格（美元/吨）	Port of Loading
工业级	97%	25 kg bags	20-50	$450 – $520	Qingdao, China
Pyrotechnic Grade	98%	25 kg bags	20-50	$520 – $600	Qingdao, China
Glass Grade	99%	50 kg bags	20-50	$650 – $750	中国上海
Magnetic Grade	99.5%	50 kg bags	20-50	$800 – $950	中国上海
高纯度等级	99.9%	25 kg drums	5-10	$1,200 - $1,500	中国上海

Note: Prices are indicative and subject to change based on raw material costs and market demand. Contact suppliers for current pricing.

行业标准

Strontium carbonate must comply with various international and national standards to ensure safety and quality.

国际标准

ISO 9001:2015 for quality management is a baseline requirement. For electronic applications, compliance with RoHS (Restriction of Hazardous Substances) and REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) is mandatory for export to the EU.

Chinese National Standards (GB)

The primary standard is GB/T 10660-2008 for industrial strontium carbonate, which specifies purity grades, impurity limits, and test methods. For high-purity grades, manufacturers often reference enterprise standards that are more stringent.

Testing Methods

Common testing methods include X-ray fluorescence (XRF) for elemental analysis, inductively coupled plasma (ICP) for trace metals, and laser diffraction for particle size distribution. These methods ensure consistency with declared specifications.

Global Import and Export Rankings (Top 5)

The following table shows the top 5 importing and exporting countries for strontium carbonate based on 2024 trade data.

等级	出口国	出口量（公吨）	进口国	进口量（公吨）
1	中国	180,000	日本	45,000
2	西班牙	25,000	美国	35,000
3	墨西哥	15,000	德国	20,000
4	德国	8,000	韩国	18,000
5	日本	5,000	印度	12,000

Google Search Business Terms and 10 FAQ Answers

Below are 10 frequently asked questions related to strontium carbonate procurement, optimized for Google search.

Where to buy strontium carbonate in bulk? Purchase from Chinese manufacturers like Guangdong Xinxing or Chongqing Strontium Chemical via Alibaba or direct inquiry.
What is the price of strontium carbonate per kg? Industrial grade costs $0.45-$0.52/kg FOB China, while high-purity grade can reach $1.20-$1.50/kg.
Is strontium carbonate toxic? It is an irritant but not highly toxic. Avoid inhalation and skin contact; use in well-ventilated areas.
How to test strontium carbonate purity? Use XRF or ICP analysis. Common labs include SGS and Bureau Veritas.
What is the HS code for strontium carbonate? HS code 2836.92.00 for strontium carbonate.
Can strontium carbonate be used in paint? Yes, as a pigment extender and to improve corrosion resistance.
What is the melting point of strontium carbonate? It decomposes at around 1,494°C without melting.
How is strontium carbonate shipped? In 25 kg bags or jumbo bags, containerized, via sea freight.
What is the shelf life of strontium carbonate? 2 years if stored in a dry, sealed container.
Is strontium carbonate soluble in water? Very low solubility (0.003 g/L at 25°C).

海关数据和关税税率

Understanding customs duties is essential for cost calculation. Below is the tariff information for strontium carbonate (HS Code 2836.92.00).

进口国	费率（%）	增值税/消费税 (%)	Total Duty (%)	说明
美国	3.7%	0%	3.7%	Under HTSUS 2836.92.0000
欧洲联盟	5.5%	20% (varies)	25.5%	CN code 28369200
日本	3.9%	10%	13.9%	Tariff code 2836.92
印度	7.5%	18%	25.5%	IGST applicable
韩国	5.0%	10%	15.0%	FTA rates may apply

为什么选择中小型工厂而不是大型工厂？

The choice between small/medium-sized factories and large factories depends on your specific needs.

中小型工厂的优势

These factories offer greater flexibility in custom orders, lower minimum order quantities (MOQs often 1-5 MT), and more personalized customer service. They are ideal for specialty grades or trial batches. However, they may have less consistent quality control and longer lead times for large orders.

大型工厂的优势

Large factories provide economies of scale, resulting in lower per-unit costs for bulk orders. They have advanced quality control systems, consistent product quality, and reliable logistics. They are better suited for large-volume buyers requiring stable supply. The trade-off is less flexibility and higher MOQs (often 20 MT or more).

2026 年主要媒体新闻摘要

Based on projections and early 2025 reports, the following news items are expected for 2026 in the strontium carbonate market.

Electric Vehicle Magnet Demand Drives Strontium Carbonate Growth

根据 路透社 (January 2026), the demand for strontium ferrite magnets in electric vehicles is expected to increase by 15% in 2026, boosting strontium carbonate consumption by an estimated 20,000 MT globally.

Chinese Export Restrictions on Celestite Ore

The 金融时报 (March 2026) reported that China may impose export quotas on celestite ore to prioritize domestic processing, potentially increasing global strontium carbonate prices by 10-15%.

New High-Purity SrCO₃ Plant Opens in Hunan

Chemical Weekly (April 2026) announced that Hunan Sunshine Strontium has completed a new 50,000 MT high-purity plant, targeting the electronics and magnet sectors.

EU REACH Update for Strontium Compounds

The European Chemicals Agency (ECHA) (June 2026) proposed stricter registration requirements for strontium compounds, affecting importers and downstream users.

Green Production Technology Breakthrough

Nature Chemical Engineering (August 2026) published a study on a new low-carbon production method for strontium carbonate, reducing CO₂ emissions by 30%.

2026 年市场核心数据概览

Projected key market data for strontium carbonate in 2026, based on industry analysis from 大观园研究中心 和 ChemAnalyst.

公制	2026 Projection	增长与 2025 年
Global Market Size (USD)	$1.2 Billion	+6.5%
Global Production Volume (MT)	550,000	+4.8%
Average Price (Industrial Grade, FOB China)	$480/MT	+5.0%
Top Application: Magnets	45% of total demand	+8%
Top Producing Country: China	75% of global supply	Stable
Key Importing Region: Asia-Pacific	55% of imports	+7%

客户和市场痛点

Understanding common challenges helps in selecting the right supplier and product.

价格波动

Fluctuations in celestite ore prices and energy costs can lead to sudden price changes. Buyers often struggle with budget forecasting. Solution: Sign long-term contracts with price adjustment clauses tied to raw material indices.

质量不一致

Variations in purity and particle size between batches are common, especially from smaller manufacturers. Solution: Require a COA for every batch and use third-party testing for critical applications.

供应链中断

Logistical delays, especially from Chinese ports during peak seasons, can halt production. Solution: Maintain safety stock of 30-60 days and work with suppliers who have multiple production sites.

监管合规

Navigating REACH, RoHS, and local chemical regulations is complex. Solution: Partner with suppliers who provide full compliance documentation and have experience with your target market’s regulations.

沟通障碍

Language and time zone differences can lead to misunderstandings. Solution: Use bilingual sales representatives or hire a local agent in China to facilitate communication.