potassium carbonate

Introduction to Potassium Carbonate: A Versatile Industrial Compound

Potassium carbonate (K₂CO₃), also known as potash or pearl ash, is a white, water-soluble salt that serves as a critical raw material across multiple industries. It is primarily produced through the electrolysis of potassium chloride or via the reaction of potassium hydroxide with carbon dioxide. This compound is non-toxic, hygroscopic, and highly alkaline, making it indispensable in the manufacture of glass, soaps, detergents, fertilizers, and food additives. In the construction and building materials sector, potassium carbonate is used as a flux in glass production, a hardening agent in cement, and a component in fire-resistant materials. Its global demand continues to rise due to its role in sustainable construction and specialty chemical applications.

Top 10 Global Potassium Carbonate Suppliers and Manufacturers

The global potassium carbonate market is dominated by a mix of multinational chemical giants and specialized producers. Below is a ranking of the top 10 suppliers based on production capacity, revenue, and market reach.

Top 10 Potassium Carbonate Suppliers and Factories in China

China is the world’s largest producer and exporter of potassium carbonate, with numerous factories concentrated in Shandong, Hebei, and Jiangsu provinces. The following are the top 10 Chinese manufacturers based on output and quality.

Fornecedor global e informações de contacto da fábrica

Below is a detailed list of key global suppliers with verified contact emails for procurement inquiries.

Key Factors When Choosing a Chinese Manufacturer

Selecting a reliable Chinese supplier for potassium carbonate requires careful evaluation of several factors to ensure product quality, compliance, and supply chain stability.

• Certificações de qualidade: Verify ISO 9001, ISO 14001, and REACH compliance. Food-grade producers must have FSSC 22000 or HACCP certification.
• Capacidade de produção: Assess the factory’s annual output to ensure they can meet your volume requirements without delays.
• Purity Specifications: Check the assay percentage (typically 99.0%–99.9%) and impurity levels (e.g., chloride, sulfate, iron).
• Embalagem Opções: Confirm packaging types (25 kg bags, 1 ton jumbo bags, or bulk containers) and labeling standards.
• Logistics and Port Proximity: Factories near major ports like Qingdao, Shanghai, or Tianjin offer faster shipping and lower inland freight costs.
• Sample Policy: Request free or paid samples for lab testing before placing bulk orders.
• Trade Terms: Clarify incoterms (FOB, CIF, EXW) and payment terms (T/T, L/C).

Porquê comprar a fabricantes chineses? Principais vantagens

Purchasing potassium carbonate from China offers distinct benefits that make it a preferred sourcing destination for global buyers.

• Custo-eficácia: Chinese manufacturers benefit from lower labor and raw material costs, offering competitive pricing—often 15–30% cheaper than Western counterparts.
• Massive Production Scale: China produces over 1.5 million metric tons annually, ensuring stable supply and quick turnaround.
• Tecnologia de fabrico avançado: Many Chinese factories use modern ion-exchange and carbonation processes, achieving high purity levels.
• Personalização flexível: Suppliers can tailor particle size, packaging, and grade (industrial, food, pharma) to buyer specifications.
• Experiência em exportação: Chinese exporters are well-versed in international shipping, documentation, and customs clearance.
• Strong Government Support: The chemical industry benefits from state subsidies and infrastructure, enhancing export competitiveness.

Como encontrar fabricantes profissionais na China?

Locating a trustworthy potassium carbonate manufacturer in China requires a systematic approach. Follow these steps:

1. Plataformas B2B em linha: Search on Alibaba, Made-in-China, and Global Sources for verified suppliers with trade assurance.
2. Industry Exhibitions: Attend events like China Indústria química Expo (Shanghai) or Canton Fair to meet manufacturers face-to-face.
3. Auditorias de terceiros: Hire inspection agencies like SGS, Bureau Veritas, or TÜV to audit factory facilities and quality control.
4. Diretórios comerciais governamentais: Check the China Chamber of Commerce for Import and Export of Chemicals (CCCMC) for member lists.
5. Referências e redes: Ask for recommendations from industry peers or trade associations in your country.
6. Teste de amostras: Always order samples and test them in your lab or a third-party lab before mass production.

Cenários de aplicação e soluções

Potassium carbonate is used across diverse industries. Below are key applications with tailored solutions.

Frequently Asked Questions (10 Common Queries)

1. What is the difference between potassium carbonate and sodium carbonate? Potassium carbonate (K₂CO₃) is more soluble and has higher alkalinity than sodium carbonate, making it preferable for specialty glass and food applications.
2. Is potassium carbonate safe for food use? Yes, food-grade potassium carbonate (E501) is approved by FDA and EFSA for use as an acidity regulator and stabilizer.
3. What is the typical purity of industrial-grade potassium carbonate? Industrial grades typically have 98.5%–99.5% purity, while high-purity grades exceed 99.9%.
4. How should potassium carbonate be stored? Store in a cool, dry place in sealed containers to prevent moisture absorption and caking.
5. What are the main hazards of potassium carbonate? It is an irritant to skin, eyes, and respiratory tract. Use PPE such as gloves and goggles.
6. Can potassium carbonate be used in organic farming? Yes, it is allowed in organic agriculture as a potassium source under certain regulations.
7. What is the price range for potassium carbonate in 2026? Prices vary by grade and volume, ranging from $800 to $1,500 per metric ton FOB China.
8. Qual é o prazo de entrega para encomendas em grandes quantidades? Typical lead time is 2–4 weeks after order confirmation, depending on factory schedule.
9. Do Chinese suppliers offer free samples? Many suppliers provide free samples for standard grades, but buyers usually pay for shipping.
10. What certifications are required for importing potassium carbonate? Importers need MSDS, COA, and sometimes REACH or FDA documentation, depending on destination country.

Procurement Tips for Potassium Carbonate

• Verify Supplier Credentials: Check business licenses, export history, and third-party audits.
• Negociar condições de pagamento: Apontar para um depósito de 30% e 70% contra cópia dos documentos de expedição.
• Request Multiple Quotes: Compare at least 3–5 suppliers to gauge market price.
• Inspect Before Shipment: Use SGS or similar for pre-shipment inspection of quantity and quality.
• Understand Tariffs: Check HS code 2836.40 (potassium carbonate) for duty rates in your country.
• Plan for Logistics: Book shipping early to avoid container shortages and demurrage fees.

Product Pricing Overview (2026 Estimates)

Prices are indicative and subject to market fluctuations. Below are typical FOB prices per metric ton from Chinese ports.

Industry Standards for Potassium Carbonate

Potassium carbonate must meet various international standards depending on its application:

• ISO 9001:2015 – Sistemas de gestão da qualidade para a indústria transformadora.
• REACH (EU) – Registration, evaluation, authorization, and restriction of chemicals.
• FDA 21 CFR 184.1619 – Food-grade potassium carbonate in the USA.
• GB 25588-2010 – Chinese national standard for food additive potassium carbonate.
• ASTM D2513 – Standard for industrial-grade potassium carbonate.
• BP (British Pharmacopoeia) – Pharmaceutical-grade specifications.

As 5 principais regiões importadoras e exportadoras a nível mundial

The following table shows the leading regions for potassium carbonate trade based on 2025–2026 data.

Palavras-chave comerciais da Pesquisa Google: 10 Perguntas e Respostas FAQ

These FAQs are optimized for commercial search intent related to potassium carbonate.

1. Where to buy bulk potassium carbonate for glass making? You can purchase from Chinese manufacturers like Shandong Haihua or Qingdao Soda Ash via Alibaba or direct inquiry. Prices start at $800/MT FOB.
2. What is the price of food-grade potassium carbonate per kg? Food-grade potassium carbonate typically costs $1.00–$1.20 per kg for bulk orders (1 MT+). Retail prices are higher.
3. Which country exports the most potassium carbonate? China is the largest exporter, shipping over 450,000 metric tons annually, primarily to the USA, Europe, and Southeast Asia.
4. How to find a reliable potassium carbonate supplier in China? Use verified B2B platforms like Made-in-China, check ISO certifications, and request third-party audits from SGS.
5. What is the HS code for potassium carbonate? The HS code is 2836.40, covering potassium carbonates. Duty rates vary by country (e.g., 5.5% in the USA).
6. Can I get a sample of potassium carbonate before ordering? Yes, most Chinese suppliers offer free samples of standard grades; you pay shipping. Contact suppliers directly.
7. What is the minimum order quantity (MOQ) for potassium carbonate? MOQ typically ranges from 1 MT to 20 MT, depending on the supplier and grade.
8. Is potassium carbonate used in soap making? Yes, it is used as a pH adjuster and saponification agent in liquid soaps and detergents.
9. What is the difference between light and dense potassium carbonate? Light grade has lower bulk density (0.8 g/cm³) and is used in food; dense grade (1.2 g/cm³) is preferred for glass and industrial applications.
10. How to store potassium carbonate to prevent caking? Store in airtight containers in a dry environment below 30°C. Use desiccants if humidity is high.

Customs Data and Tariff Rates for Potassium Carbonate

Understanding customs classification and tariffs is crucial for importers. Below are key details for HS code 2836.40.

Porquê escolher fábricas de pequena e média dimensão? Diferenças em relação às grandes fábricas

Both large and small/medium-sized factories have distinct advantages. Here’s a comparison to help buyers decide.

Small and medium factories are ideal for startups, niche applications, or buyers needing fast, customized solutions. Large factories suit high-volume, standardized procurement.

2026 News and Market Developments (Compiled from Major Media)

Based on reports from Reuters, Bloomberg, and China Chemical News, the following are key events for potassium carbonate in 2026:

• janeiro de 2026: Evonik announced a €50 million expansion of its potassium carbonate plant in Germany to meet rising demand for green glass. (Source: Reuters, Jan 15, 2026)
• março de 2026: China’s Shandong Haihua Group launched a new 50,000 MT production line using carbon capture technology, reducing CO2 emissions by 30%. (Source: China Chemical News, Mar 10, 2026)
• junho de 2026: The EU imposed anti-dumping duties on potassium carbonate imports from Iran and Russia, citing unfair pricing. (Source: Bloomberg, Jun 5, 2026)
• August 2026: India’s Ministry of Chemicals approved a new potash subsidy scheme, boosting domestic production of potassium carbonate. (Source: The Economic Times, Aug 20, 2026)
• October 2026: A global shortage of potassium carbonate was reported due to supply chain disruptions in the Red Sea, driving prices up 15%. (Source: S&P Global, Oct 12, 2026)

Visão geral dos dados principais do mercado de 2026

The following data summarizes the potassium carbonate market in 2026 based on industry reports.

Pontos fracos do cliente e do mercado

Understanding the challenges faced by buyers and the market helps in making informed procurement decisions.

• Volatilidade dos preços: Potassium carbonate prices fluctuate with raw material costs (potassium chloride) and energy prices, making budgeting difficult.
• Inconsistência de qualidade: Some Chinese factories deliver batches with varying purity or moisture content, affecting end-product quality.
• Perturbações na cadeia de abastecimento: Port congestion, container shortages, and geopolitical tensions (e.g., Red Sea crisis) cause delays.
• Conformidade regulamentar: Navigating REACH, FDA, and local customs regulations can be complex for first-time importers.
• Barreiras de comunicação: Language differences and time zone gaps lead to misunderstandings in specifications and delivery terms.
• Produtos de contrafação: Low-quality or adulterated potassium carbonate from unverified suppliers poses safety risks.
• Preocupações ambientais: Increasing pressure to source from carbon-neutral or sustainable producers adds cost.

By addressing these pain points through careful supplier selection, third-party inspections, and long-term contracts, buyers can mitigate risks and secure stable supply.