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 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.

Industrial companies often confront the challenge of excessive sulfur emissions, leading to environmental concerns and regulatory pressures. One effective solution is the use of calcium carbide as a desulfurizer.

Calcium carbide is a crucial chemical compound that plays a significant role in various industries. The demand for calcium carbide is growing due to its applications in producing acetylene gas, which is used in welding and cutting processes.

Calcium carbide is commonly used in agriculture to accelerate the ripening of fruits. The calcium carbide agricultural ripening process addresses several pain points for farmers and distributors, including the need for timely harvests and improved fruit quality.

The main component of carbide slag slurry is calcium hydroxide (Ca (OH) 2). Calcium carbide slag slurry is a gray brown turbid liquid.

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.

Finding quality calcium carbide can be challenging, especially for overseas buyers and distributors. Many companies struggle with searching for reliable suppliers, ensuring product quality, and understanding import regulations. Calcium carbide is used in various applications, including steelmaking, producing acetylene gas, and manufacturing PVC.

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