Calcium Carbide 15–25mm supplied by Haina Chemical is designed for large-scale and continuous industrial acetylene gas generation.
With controlled reaction speed, reduced dust formation and consistent gas yield, this size is ideal for applications requiring long-term stability and safety.
It is widely used by industrial customers who operate medium to large acetylene generators.
Calcium Carbide 15–25mm – Controlled Reaction for Industrial Use
Calcium Carbide 15–25mm supplied by Haina Chemical is designed for large-scale and continuous industrial acetylene gas generation.
With controlled reaction speed, reduced dust formation and consistent gas yield, this size is ideal for applications requiring long-term stability and safety.
It is widely used by industrial customers who operate medium to large acetylene generators.

Key Features
Controlled and steady reaction speed
Reduced fines and dust compared with smaller sizes
Stable acetylene gas generation
Suitable for continuous industrial operation
Reliable factory supply and export packaging
Technical Specifications of Calcium Carbide 15–25mm
|
Basic Information |
|
|
ENGLISH NAME |
CALCIUM CARBIDE |
|
NICKNAME |
ACETYLENE CALCIUM |
|
SIZE |
25-50MM 50-80MM 80-120MM |
|
PACKAGE |
50/100/250KG IRON DRUMS |
|
CODE |
28491000 |
|
PH3 %(V/V) |
≤ 0.03% |
|
H2S %(V/V) |
≤0.02% |
|
GAS YIELD |
295-305L/KG |
|
PRODUCTION CAPACITY |
6000MT/MONTH |
|
CHEMICAL FORMULA |
CaC₂ |
|
MOLECULAR WEIGHT |
64.1 |
|
CAS NO. |
75-20-7 |
|
EINECS |
200-848-3 |
|
WATER SOLUBLE |
DECOMPOSITION |
|
DENSITY |
2.22G/CM3 |
Applications of Calcium Carbide 15–25mm
Large-Scale Acetylene Gas Generation
Designed for medium and large acetylene generators, providing stable gas output with controlled reaction.
Heavy Industry Welding & Cutting
Used in steel plants, shipbuilding, bridge construction and heavy machinery manufacturing, where steady gas flow is essential.
Chemical & Industrial Processing
Suitable for PVC production and chemical synthesis, where controlled gas generation improves process safety.
Why Choose Calcium Carbide 15–25mm?
Slower and more controllable reaction compared to smaller sizes
Lower risk of overheating during gas generation
Easier handling and storage
Ideal for continuous and high-volume industrial demand
This size is preferred by customers focusing on operational safety and efficiency.
Packing & Shipping Information
Standard packing: 100kg steel drum
Customized packing available
Moisture-proof, sealed and export standard packing
Suitable for international dangerous goods transportation
Shipping Terms:
FOB / CIF
Ports: Tianjin, Shanghai
FAQ
Q: What makes 15–25mm suitable for industrial use?
Its controlled reaction speed ensures stable gas output and improved safety for large-scale operations.
Q: Is 15–25mm safer than smaller sizes?
Yes. Larger particle size reduces dust and lowers the risk of rapid reaction.
Q: What packaging do you use for export?
Sealed steel drums with moisture-proof protection, compliant with dangerous goods regulations.
Q: Can you supply long-term contracts?
Yes. We support stable and continuous supply for long-term industrial customers.
Contact us
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Stable acetylene yield, controlled reaction speed, and consistent quality for industrial applications