Calcium Carbide Manufacturer & Supplier | High Purity CaC₂ for Industrial Gas Production & Export

Featured Calcium Carbide Products

Our calcium carbide features high gas yield, consistent quality, and reliable performance, making it widely used across acetylene production, steel desulfurization, and chemical manufacturing industries worldwide.

Calcium Carbide 80-120mm with Gas Yield of 295L/KG for Gas Welding

50-80 MM Calcium Carbide for Steel Desulfurization 100 KG/Drum

25-50mm Calcium Carbide In Industrial Grade

15-25 MM Calcium Carbide for Steel Desulfurization 100 KG/Drum

SDS Calcium Carbide 7-15mm Suppliers Price per Ton

Online Price for 4-7mm Calcium Carbide Stone in 50kg Drum

Wholesale 2-4mm Calcium Carbide Acetylene Gas Yield 250L/Kg

0-2 MM Calcium Carbide for Ultra-Fast Reaction

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Inner Mongolia Kede Chemical Co., Ltd.

KEDE operates two advanced calcium carbide production facilities—Fengzhen Kede Co., Ltd. (est. 2013) and Inner Mongolia Kede Chemical Co., Ltd. (est. 2020). Our Inner Mongolia base, with an investment of RMB 250 million and an area of 143,493 m², delivers an annual processing capacity of 300,000 tons, supported by robust storage infrastructure.Explore More >>

300,000

MT Annual Capacity

20+

Export Countries

26,000

MT Storage Capacity

100%

Factory Controlled Supply

Calcium Carbide Specifications & Packaging

Our calcium carbide products offer high gas yield, stable performance, and consistent quality. They are widely used in acetylene production, steel desulfurization, and various chemical industries, supporting reliable and efficient industrial operations worldwide.

Standard Sizes

Custom Sizes

Packaging

Loading Methods

Applications

We are committed to delivering high-quality calcium carbide to support industrial development and improve everyday life.

Acetylene Gas Production

Calcium carbide is used to produce acetylene gas, an important raw material in welding, cutting, and chemical synthesis industries.

Steelmaking Industry

In steel production, calcium carbide is used as an auxiliary material to support metallurgical processes and improve operational efficiency.

Chemical Industry

Calcium carbide is an important raw material in chemical manufacturing, serving as a basis for acetylene-related downstream products.

Why Choose Us

Advanced Calcium Carbide Solutions for Critical Industries

Stable Quality

Consistent product performance ensured through strict quality control and standardized production processes.

Global Supply

Reliable export experience with stable supply to clients across multiple international markets.

Safe Handling

Moisture-proof, sealed packaging designed for safe storage and transportation.

Proven Reliability

Trusted by long-term industrial partners with consistent delivery and dependable performance.

Cost Efficiency

Competitive pricing supported by large-scale production and optimized operations.

Responsive Service

Fast response and professional support to meet your business needs efficiently.

Certifications & Compliance

Certified to international standards including ISO 9001, ISO 14001, ISO 45001 and ISO 50001, we ensure consistent quality, environmental compliance, and safe production. Full documentation and third-party inspection services (SGS/BV) are available upon request.

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Our Partners

We serve clients across more than 20 countries and regions worldwide, including Australia, New Zealand, South America, Africa, the Middle East, and Southeast Asia, as well as major steel producers across China. We are dedicated to establishing long-term partnerships based on trust, reliability, and mutual success.

Industry Insights

Stay informed with the latest insights from the calcium carbide industry. We provide expert analysis on market trends, pricing, regulations, and global supply dynamics to support your sourcing decisions.

9 November, 2026

New Export Packaging Standard for Calcium Carbide Takes Effect on December 1st, 2026

Effective December 1st, 2026, calcium carbide (CaC₂) export packaging will officially transition to Packing Group I, replacing the long-standing Packing Group II standard. According to GB 19453, Inspection Specifications for Calcium Carbide Packaging for Dangerous Goods, and considering the hazardous properties of calcium carbide, packaging drums must meet the following testing requirements: 1.8-meter drop test 30 kPa leakproofness test Post-drop leakproofness re-test at 10 kPa These stringent testing requirements are designed to enhance packaging performance and ensure safety throughout international transportation, cargo handling, transshipment, and storage. 1. Calcium Carbide: Hazard Classification and Regulatory Information Calcium carbide, commonly known as CaC₂, has the following classification and regulatory information: UN Number: UN 1402 CAS Number: 75-20-7 Dangerous Goods Class: Class 4.3 (Substances which, in contact with water, emit flammable gases) HS Code: 2849100000 Regulatory Status: Listed in China's Catalogue of Hazardous Chemicals (2015 Edition) 2. Key Changes Under the New Packing Group…

9 November, 2026

How Calcium Carbide Particle Size Affects Industrial Gas Production Efficiency

In industrial gas production, raw material quality plays an important role in determining operational efficiency. For manufacturers using calcium carbide to generate acetylene gas, particle size is one of the key factors that should not be overlooked. Although calcium carbide is commonly purchased according to its chemical purity and gas yield, its particle size distribution can also influence reaction performance, feeding efficiency, and overall production stability. 1. Why Particle Size Matters Calcium carbide reacts with water to produce acetylene gas and calcium hydroxide. The reaction rate is influenced by the exposed surface area of the material. Generally, smaller calcium carbide particles have a larger surface area relative to their volume, allowing them to react more quickly with water. Larger particles, on the other hand, may react more gradually and can be suitable for certain feeding systems and operating conditions. However, the ideal particle size depends on the design of the…

3 November, 2026

Calcium Carbide Quality: What Causes Impurities and How Manufacturers Control Them

Why gas yield is not the only indicator of calcium carbide quality Calcium carbide is mainly composed of CaC₂, but industrial calcium carbide is never made up of CaC₂ alone. During production, different raw materials, high-temperature furnace reactions, and subsequent crushing and screening processes can introduce or generate small amounts of impurities. For buyers using calcium carbide for acetylene production, these impurities can affect gas quality, residue, consumption efficiency, and overall production performance. This is why evaluating calcium carbide quality requires more than looking at the gas yield shown on a quotation. What Determines the Impurity Level of Calcium Carbide? The quality of finished calcium carbide begins with the raw materials. Lime and carbonaceous materials are the primary raw materials used in calcium carbide production. Their chemical composition directly affects the composition of the final product. Mineral components containing elements such as silicon, iron, sulfur, and phosphorus can enter the…

2 November, 2026

Why Calcium Carbide Buyers Should Look Beyond the Quoted Price

When purchasing calcium carbide, many industrial buyers naturally focus on the price per metric ton. However, the lowest quotation does not always represent the lowest operating cost. For acetylene gas manufacturers, the actual value of calcium carbide depends on several factors, including gas yield, particle size consistency, material quality, packaging, and transportation reliability. Understanding these factors can help buyers make better purchasing decisions. 1. The Purchase Price Is Only Part of the Total Cost Two suppliers may offer calcium carbide at different prices per metric ton. At first glance, choosing the cheaper option may seem like the most economical decision. However, buyers should also consider how much acetylene gas can be generated from each ton of material. For example, if one batch produces a higher gas yield than another, the actual raw material cost per unit of acetylene may be lower, even when its purchase price is higher. This is…

Stable Calcium Carbide Supply from Certified Manufacturer

Industrial-grade CaC₂ | Global Export | Safe Packaging System | Stable Quality

Featured Calcium Carbide Products

Inner Mongolia Kede Chemical Co., Ltd.

Calcium Carbide Specifications & Packaging

Applications

Acetylene Gas Production

Steelmaking Industry

Chemical Industry

Why Choose Us

Stable Quality

Global Supply

Safe Handling

Proven Reliability

Cost Efficiency

Responsive Service

Certifications & Compliance

Our Partners

Industry Insights

Our Strength

Partners with us to advance industrial performance and build a more sustainable future.

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