The 7-15mm calcium carbide from Haina Chemical offers an excellent balance between reaction speed and gas stability.
It is one of the most popular sizes for general industrial acetylene production.
Calcium Carbide 7–15mm–Stable Acetylene Gas Output
Calcium Carbide 7–15mm supplied by Haina Chemical is a standard industrial grade product designed for stable and continuous acetylene gas generation.
With balanced reaction speed and consistent gas yield,this size is widely used in welding,cutting and chemical applications requiring steady performance.
It is one of the most commonly used calcium carbide sizes in global markets.

Key Features
Stable and controllable reaction speed
Uniform particle size distribution
Consistent acetylene gas output
Suitable for medium and large acetylene generators
Factory direct supply with export experience
Technical Specifications of Calcium Carbide 7–15mm
|
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 7–15mm
Industrial Acetylene Gas Generation
Welding&Cutting Industry
Commonly used in steel plants,machinery manufacturing,shipyards and construction sites,offering consistent flame performance.
Chemical Processing
Applied as a raw material in PVC production and organic synthesis where stable gas output is required.
Why Choose Calcium Carbide 7–15mm?
Balanced reaction speed compared to smaller sizes
Reduced dust and fines during handling
Easier storage and safer operation
Ideal for long-term continuous use
This size is preferred by buyers who focus on stability,safety and operational efficiency.
Packing&Shipping Information
Standard packing:100kg steel drum
Customized packing available upon request
Moisture-proof and sealed packing
Export standard dangerous goods packing
FAQ
Q: What is the typical application of 7–15mm Calcium Carbide?
It is mainly used for industrial acetylene generation,welding and cutting applications.
Q: How does 7–15mm compare with 2–7mm?
7–15mm offers slower and more stable reaction,suitable for continuous industrial use.
Q: What is your MOQ for Calcium Carbide 7–15mm?
Usually one 20GP container.
Q: Can the packing be customized?
Yes,packing can be customized based on customer requirements.
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Stable acetylene yield, controlled reaction speed, and consistent quality for industrial applications