Name: China Calcium carbide
Chemical Formula: CaC2
CAS Number: 75-20-7
UN Number: 1402
Class Grade: 4.3
HS Code: 2849100000
When global buyers look to source high-quality chemical raw materials, China calcium carbide remains the top choice for reliability and industrial scale. Among the various dimensions available, the 7-15mm calcium carbide represents a specialized, medium-to-small particle size. Due to its optimal specific surface area, rapid and uniform reaction rates, and minimal dust, this specific grade plays an irreplaceable role across targeted industrial, chemical, and agricultural sectors.
This is one of the most critical industrial destinations for the 7-15mm size profile.
Precision Chemical Reaction: During steelmaking, calcium carbide acts as a potent reducing agent to strip sulfur impurities from molten steel.
The 7-15mm Advantage: Compared to larger lumps, 7-15mm granules dissolve much faster and distribute more evenly throughout the molten steel, drastically boosting desulfurization efficiency. Furthermore, unlike fine powder, it generates minimal dust when added, meaning it won’t be vacuumed away by overhead dust-extraction systems. This significantly improves material utilization and cuts down on waste.
While massive gas plants often opt for large-size lumps, the 7-15mm size is widely preferred for small-to-medium or uniquely designed acetylene generation equipment.
Rapid Gas Generation: A smaller size yields a larger reactive surface area. Upon contact with water, it releases acetylene gas rapidly, perfectly matching production demands that require high-volume gas output in a short timeframe.
Precision Feed Control: The highly uniform 7-15mm granules are ideal for automated mechanical feeding systems, such as screw conveyors. They prevent pipe blockages and jams, ensuring a continuous, stable workflow for gas plants.
In many regional markets, portable or smaller-scale acetylene generators are standard for on-site welding. The 7-15mm size is the premier raw material for these mobile gasification units because it is easy to weigh precisely and reacts swiftly.
In specific global markets, this medium-to-small size is highly sought after for post-harvest ripening treatment of fruits like mangoes, bananas, and plantains.
Gentle, Managed Reaction: By regulating ambient humidity, the 7-15mm granules absorb moisture slowly from the air. This triggers a steady, trace-level release of acetylene gas (which mimics the natural ripening hormone, ethylene), preventing localized over-concentration and eliminating the risk of burning the fruit.
Choosing our China calcium carbide ensures your facility benefits from top-tier manufacturing and strict quality controls:
Strict Particle Size Control: Utilizing state-of-the-art multi-stage screening equipment, we guarantee an exceptionally high proportion of true 7-15mm granules, ensuring flawless mechanical feeding without interruptions.
Ultra-Low Dust & High Purity: Every batch undergoes a meticulous dust-removal process. This ensures virtually zero dust migration during transport and handling, keeping your machinery clear and protecting worker health.
High Cost-Effectiveness: A complete reaction with no dead spots means maximum gas yield and minimal residue. It directly improves your industrial plant's bottom line by maximizing material efficiency and minimizing cost-per-ton.
TIANJIN ZHONGYING CHEMICAL CO.,LTD is a modern chemical enterprise specializing in the research, development, production, and sales of calcium carbide (commonly known as calcium carbide). With years of experience in the basic chemical industry, and leveraging regional resources and advanced production technology, the company is committed to providing downstream industries with high-quality, highly stable calcium carbide products....[ Read More >>]
