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.

Posisie	Maatskappynaam	Land	Jaarlikse kapasiteit (metriese ton)	Key Market Focus
1	Solvay S.A.	België	50,000+	Electronics, Glass, Pyrotechnics
2	Nippon Chemical Industrial Co., Ltd.	Japan	30,000+	Electronics, Ceramics, Magnets
3	Guangdong Xinxing Strontium Materiale Maatskappy met beperkte aanspreeklikheid.	China	80,000+	Global Export, Pyrotechnics, Magnets
4	Chongqing Strontium Chemical Co., Ltd.	China	60,000+	Domestic & Export, Glass, Ceramics
5	Kandelium (formerly Química del Estroncio)	Spanje	25,000+	Europe, Specialty Glass
6	Hunan Sunshine Strontium Co., Ltd.	China	40,000+	High-Purity, Electronics, Magnets
7	Qingdao Baotai Refining Chemical Co., Ltd.	China	35,000+	Pyrotechnics, Pigments
8	Merck KGaA	Duitsland	5,000+	Pharmaceutical, Research, High-Purity
9	Hubei Jusheng New Material Co., Ltd.	China	20,000+	Ceramics, Glass, Water Treatment
10	Shijiazhuang Xinyu Chemical Co., Ltd.	China	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.

Posisie	Maatskappynaam	Ligging (Provinsie)	Main Product Grade	Uitvoermarkte
1	Guangdong Xinxing Strontium Materials Co., Ltd.	Guangdong	Industrial, High-Purity	Europa, Amerika's, Asië
2	Chongqing Strontium Chemical Co., Ltd.	Chongqing	Industrial, Glass Grade	Middle East, Southeast Asia
3	Hunan Sunshine Strontium Co., Ltd.	Hunan	High-Purity, Magnetic Grade	Japan, South Korea, USA
4	Qingdao Baotai Refining Chemical Co., Ltd.	Shandong	Pyrotechnic Grade	USA, Europe
5	Hubei Jusheng New Material Co., Ltd.	Hubei	Ceramic Grade	Southeast Asia, Africa
6	Shijiazhuang Xinyu Chemical Co., Ltd.	Hebei	Industrial Grade	South America, India
7	Nanjing Chemiese Reagensmaatskappy Beperk.	Jiangsu	Reagent Grade	Research Labs, Europe
8	Zibo Tianhe Chemical Co., Ltd.	Shandong	Industrial Grade	Domestic, Eastern Europe
9	Jiangxi Yanhua Chemical Co., Ltd.	Jiangxi	Pyrotechnic Grade	USA, Mexico
10	Hebei Xinji Chemical Group Co., Ltd.	Hebei	Low-Cost Bulk	Africa, Middle East

Wêreldwye verskafferprofiele en kontakbesonderhede

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

Maatskappynaam	Hoofkwartier	Produkreeks	Kontak-e-pos	Webwerf
Solvay S.A.	Brussels, Belgium	High-purity SrCO₃, Strontium nitrate	strontium@solvay.com	www.solvay.com
Nippon Chemical Industrial Co., Ltd.	Tokio, Japan	Elektronies 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

Belangrike faktore om in ag te neem wanneer 'n Chinese vervaardiger gekies word

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.

Kwaliteit-sertifikate en standaarde

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).

Produseringvermoë en skaalbaarheid

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.

Betrekking van grondstowwe

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.

Logistiek- en uitvoerervaring

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.

Price and Payment Terms

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.

Waarom by Chinese vervaardigers koop? Sleutelvoordele

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

Koste-doeltreffendheid

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.

Vestigde uitvoerinfrastruktuur

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.

How to Find Professional Manufacturers in China

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

Online B2B Platforms

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.

Industry Trade Shows

Attend events such as China Chemiese bedryf 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.

Third-Party Verification Services

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.

Toepassingsscenario's en oplossings

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.

Dikwels Gestelde Vrae (10 vrae)

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.

Procurement Precautions

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.

Versending en Versekering

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.

Prodუქt-aanhaling

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

Graad	Purity (SrCO₃ %)	Verpakking	Quantity (Metric Tons)	FOB Price (USD/MT)	Port of Loading
Industrial Grade	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	Shanghai, China
Magnetic Grade	99.5%	50 kg bags	20-50	$800 – $950	Shanghai, China
High-Purity Grade	99.9%	25 kg drums	5-10	$1,200 – $1,500	Shanghai, China

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

Bedryfsstandaarde

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

Internasionale standaarde

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 Nasionale Standaarde (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.

Posisie	Exporting Country	Export Volume (MT)	Invoerland	Import Volume (MT)
1	China	180,000	Japan	45,000
2	Spanje	25,000	Verenigde State	35,000
3	Meksiko	15,000	Duitsland	20,000
4	Duitsland	8,000	Suid-Korea	18,000
5	Japan	5,000	Indië	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).

Douane-data en tariefkoerse

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

Invoerland	Tarieftarief (%)	BTW/BTW (%)	Total Duty (%)	Aantekeninge
Verenigde State	3.7%	0%	3.7%	Under HTSUS 2836.92.0000
Europese Unie	5.5%	20% (wissel)	25.5%	CN code 28369200
Japan	3.9%	10%	13.9%	Tariff code 2836.92
Indië	7.5%	18%	25.5%	IGST applicable
Suid-Korea	5.0%	10%	15.0%	FTA rates may apply

Waarom kies jy klein en mediumgrootte fabrieke bo groot fabrieke?

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

Voordele van klein- en mediumgrootte fabrieke

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.

Voordele van groot fabrieke

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 News Summary from Major Media Sources

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

According to a report by Rojters (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 Finansiële Tye (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 Markkernadatabasis oorsig

Projected key market data for strontium carbonate in 2026, based on industry analysis from Panoramiese Uitsig Navorsing and ChemAnalyst.

Metric	2026 Projection	Growth vs 2025
Global Market Size (USD)	$1,2 miljard	+6.5%
Global Production Volume (MT)	550,000	+4.8%
Gemiddelde Prys (Industriële Graad, FOB China)	$480/MT	+5.0%
Top Application: Magnets	45% of total demand	+8%
Top Producing Country: China	75% of global supply	Stal
Key Importing Region: Asia-Pacific	55% of imports	+7%

Kliënt- en markpynpunte

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

Pryswisselvalligheid

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.

Kwaliteitinkonsekwentheid

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.

Versteurings in die voorsieningsketting

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.

Regulerende nakoming

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.

Communication Barriers

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