






Minimum order quantity: 22.5 tons
Delivery: Delivery to Shanghai within 15 working days.
Payment terms: T/T 30% advance payment,For clause 70%, see draft bill of lading within five days.
Supply Capacity: 860 tons per month
Categories: Calcium Carbide 15-25 MM
Calcium Carbide 15–25mm is an industrial-grade product manufactured by Inner Mongolla Kullant Chemical Co., Ltd.It is widely used in industrial acetylene gas production, offering high gas yield,stable reaction performance, and consistent quality.
This size is especially suitable for industrial acetylene generators and continuous gas supply systems, where efficiency and stability are critical.
✔ Industrial-grade calcium carbide
✔ High and stable acetylene gas yield
✔ Suitable for continuous operation
✔ SGS / BV inspection supported

| Item | Specification |
| Product Name | Calcium Carbide |
| Size | 15–25 mm |
| Grade | Industrial Grade |
| Gas Yield | ≥ 290 L/kg |
| Purity | ≥ 85% |
| Phosphine (PH₃) | ≤ 0.08% |
| Moisture Content | ≤ 0.4% |
| Appearance | Grey / brown solid |
| Packaging | 50/100/250kg steel drum |
| HS Code | 28491000 |
| Origin | China |
Calcium carbide 15–25mm is commonly used in:
Industrial acetylene gas generation;Welding and metal cutting industries;
Industrial gas plants;Chemical processing facilities;Acetylene cylinder filling systems.
Compared with smaller sizes, calcium carbide 15–25mm offers:
Higher gas yield efficiency;Better performance in industrial acetylene generators;
Reduced reaction volatility;Reliable output for continuous gas demand;
This size is a preferred choice for industrial gas companies and welding solution providers.
Our production facilities ensure consistent industrial-grade quality, meeting the demands of large-scale acetylene gas production.
We support SGS, BV, CIQ inspection and provide COA and MSDS for every batch.


50kg/100kg steel drum (standard);Jumbo bag packaging for bulk buyers;
Suitable for container shipment;Export-compliant moisture-proof packaging.
Our calcium carbide 15–25mm is mainly supplied to:
Industrial gas companies;Welding and cutting service providers;
Chemical manufacturers;Export markets include Middle East, Africa, Southeast Asia, and South America.
Q1: Is calcium carbide 15–25mm suitable for industrial acetylene production?
A: Yes, it is specifically designed for industrial acetylene gas generation.
Q2: What industries commonly use this size?
A: Welding, metal cutting, industrial gas plants, and chemical processing.
Q3: Can you support bulk export orders?
A: Yes, bulk orders with jumbo bag packaging are supported.
Fill out the form to contact the calcium carbide Supplier for the Get Latest Industrial Price,Request COA & MSDS.
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Other Available Sizes:
Calcium Carbide 2–7mm | 7–15mm | 25–50mm | 50–80mm | 80–120mm
About Us
Located in Changsheng Industrial Park, Xuejiawan Town, Jungar banner, Ordos, which is historically known as "Hetao human culture". It was registered in the Administration for Industry and Commerce of Jungar banner on September 22, 2005.
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