Name: Calcium carbide
Chemical Formula: CaC2
CAS Number: 75-20-7
UN Number: 1402
Class Grade: 4.3
HS Code: 2849100000
When searching for the most reliable calcium carbide for sale, international buyers look for three strict criteria: exceptional gas yield, stable chemical composition, and rugged export packaging. As a leading direct manufacturer from China, we deliver on all fronts. We specialize in producing top-tier 50-80mm calcium carbide (CaC2) that fully complies with strict National Standards (GB), ensuring unmatched performance for heavy industrial applications.

Our 50-80mm particle size is engineered to offer a steady, highly efficient reaction rate, making it a perfect fit for industrial acetylene generation, steel desulfurization, and metal welding.
305L/KG High Gas Yield: Unlike lower-grade options on the market, our calcium carbide guarantees a powerful gas yield of up to 305L/KG. This maximum output ensures cost-efficiency and optimal operational productivity for your factory.
Rock-Solid Quality Stability: Thanks to our advanced integrated production lines and strict laboratory testing, every single batch maintains consistent chemical stability, preventing unexpected performance dips.

Our commitment to excellence has made us a preferred name in international trade. Our products are primarily exported to the African market, as well as across Southeast Asia, where we have earned the highest praise from our long-term clients.
If you look at the successful chemical traders, industrial distributors, and acetylene gas factories in your surrounding region, you will find that many of them are already using our products to drive their businesses. This widespread industry adoption is the strongest testament to our product’s dependability and market reputation.

Because calcium carbide is a Class 4.3 hazardous material, the quality of its packaging is just as critical as the chemical itself. We utilize rugged, heavy-duty steel drums that offer superior moisture resistance and airtight sealing to guarantee complete safety during long-distance maritime transit.
To help your brand stand out and seamlessly fit into your local logistics system, we provide comprehensive, tailor-made OEM services. We support full customization according to your exact requirements, including:
Custom Drum Specifications: Choose from standard 50kg, 100kg, or 120kg weight capacities to match your handling equipment.
Customized Drum Colors: Align the exterior drum color with your company’s brand identity.
Bespoke Shipping Marks (Shipping Shipping Content & Colors): We can print your specific logos, text, warning labels, and custom shipping marks in any color layout you request.

By combining factory-direct pricing, a professional hazardous goods transport team, and a highly customizable product line, we eliminate all supply chain headaches—allowing you to import with complete peace of mind.