The difference between carbide method and ethylene method

The two methods of PVC production are calcium carbide method and ethylene method. What is the difference between them?


1. Different cost determining factors

The cost of PVC produced by calcium carbide method depends on the electricity price, and the higher the electricity cost, the higher the production cost.

The cost of PVC produced by ethylene method is directly linked to international crude oil prices, and fluctuations in oil prices will directly affect its price.


2. Significant differences in quality

PVC produced by the calcium carbide method has a moisture content 4-5 times higher than that produced by the ethylene method, and there are also 3 times more impurities,

This means that PVC produced by ethylene method has higher purity and more stable product quality.

Especially for high-end products, ethylene method is a better choice


3. Molecular weight distribution affects performance

The molecular weight distribution of PVC produced by calcium carbide method is wider

Resulting in higher thermal stability, mechanical properties, and weather resistance compared to ethylene method.

Vinyl PVC is more resistant to high temperature and aging, suitable for outdoor construction or harsh environment.


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Relate News

Calcium carbide is essential for mining and construction. This chemical compound enables the generation of acetylene gas, which is crucial for various industrial processes. In mining, it aids in carbide lamps that provide illumination in dark tunnels.

Calcium carbide is crucial for acetylene manufacturing. Acetylene is a widely used gas in welding and chemical reactions. The problem arises in understanding how calcium carbide is made and utilized. Many people are curious about its production and safety measures.

Carbide is used in different industries and applications including: (1) Production of acetylene The reaction of calcium carbide with water, producing acetylene and calcium hydroxide.

The debate between the ethylene process and the calcium carbide process for PVC production is more critical than ever, particularly as manufacturers seek to optimize costs and enhance product quality. Users often ask, "Which process is more efficient and cost-effective?” or “What are the environmental impacts of these methods?”

25-50mm calcium carbide is crucial in industrial processing. It has various applications that can greatly benefit industries. This material primarily produces acetylene gas, which is used in welding and cutting. Additionally, calcium carbide aids in the production of chemicals and fertilizers. The efficient nature of this compound makes it a popula

Calcium carbide is essential in the acetylene production process. This chemical compound plays a crucial role in creating acetylene gas, which is widely used in various industries. The production of acetylene from calcium carbide can sometimes pose challenges.

High purity calcium carbide is a chemical compound, primarily composed of calcium and carbon (CaC₂), that boasts remarkable purity levels exceeding 98%. Its primary application in industrial settings revolves around its use in producing acetylene gas, which serves as a fundamental building block in various chemical processes.

High purity calcium carbide plays a pivotal role in modern manufacturing due to its versatility and efficiency. It serves as a crucial raw material in several industrial applications, including the production of acetylene gas, desiccants, and high-performance alloys.

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