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Why Electro-fused α-Alumina Blocks with Over 98% Al₂O₃ Content Enhance Glass Corrosion Resistance: A Detailed Principle Explanation

2026-01-28
Sunrise
Technical knowledge
Why can electro-fused α-alumina blocks with over 98% Al₂O₃ content significantly enhance the corrosion resistance of glass? This article delves into how its high-purity raw materials and the 2000°C high-temperature melting process work together to form a dense structure and effectively resist strong alkaline erosion, hardly contaminating the glass melt at 1350°C. Through data comparison and real cases, it reveals how this product helps glass enterprises improve quality and efficiency, making it a key material to solve the problem of glass melt pollution.
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In the glass manufacturing industry, the issue of liquid contamination caused by impurities during the production process has long been a headache for manufacturers. This contamination not only affects the quality of the glass products but also reduces production efficiency and increases maintenance costs. However, the emergence of fused α-alumina blocks TY - A offers a promising solution to these problems.

The Problem of Glass Liquid Contamination

During glass production, impurities in the raw materials can lead to liquid contamination in the molten glass. These impurities, such as Fe₂O₃ and TiO₂, can cause various defects in the glass, including color changes, reduced transparency, and the formation of bubbles. As a result, the quality of the final glass products is significantly affected, leading to a lower yield rate and increased production costs. For example, a small amount of Fe₂O₃ can cause the glass to turn yellow, while TiO₂ can affect the glass's optical properties.

Illustration of glass liquid contamination

The High - Purity Characteristics of Fused α - Alumina Blocks TY - A

Fused α - alumina blocks TY - A are made from raw materials with an Al₂O₃ content of over 98%. This high - purity characteristic is crucial in reducing glass liquid contamination. Impurities like Fe₂O₃ and TiO₂ can react with the molten glass at high temperatures, causing pollution and affecting the glass's quality. However, with the high - purity Al₂O₃ raw materials used in TY - A, these harmful impurities are effectively excluded.

"The use of over 98% Al₂O₃ as the raw material for fused α - alumina blocks TY - A ensures that the product has excellent purity, which is the key to reducing glass liquid contamination."

The 2000℃ Electric Furnace Melting and Casting Process

The 2000℃ electric furnace melting and casting process is another significant advantage of fused α - alumina blocks TY - A. This high - temperature process forms a dense microstructure in the product. The dense structure gives the product excellent alkali resistance and high - temperature stability. At 1350℃, the product hardly contaminates the molten glass, which is a huge advantage in glass production.

The high - temperature stability means that the product can maintain its physical and chemical properties at high temperatures, effectively resisting the erosion of strong alkalis in the molten glass. The dense microstructure also prevents the penetration of impurities into the product, further reducing the risk of glass liquid contamination.

Microstructure diagram of fused α - alumina blocks TY - A

Real - World Application Cases

Let's take a look at a real - world example. A glass factory was facing serious problems with glass liquid contamination, resulting in a low yield rate and high maintenance costs. After using fused α - alumina blocks TY - A, the situation improved significantly. The purity of the glass increased by 20%, and the bubble formation rate decreased by 30%. The yield rate also increased from 80% to 90%, and the maintenance cost was reduced by 15%. These data clearly show the effectiveness of the product in improving the quality and efficiency of glass production.

The Core Value of Fused α - Alumina Blocks TY - A

In summary, fused α - alumina blocks TY - A play a crucial role in the glass manufacturing industry. They can effectively reduce glass liquid contamination, improve the yield rate, and lower maintenance costs. By using this product, glass enterprises can enhance the quality of their products, increase production efficiency, and gain a competitive edge in the market. If you are a glass manufacturer looking for a solution to the glass liquid contamination problem, fused α - alumina blocks TY - A are the key material you need.

Comparison before and after using fused α - alumina blocks TY - A
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