As a kind of high-performance special glass, quartz glass has been widely used in many fields due to its unique physical and chemical properties.

1, The basic properties of quartz glass

Quartz glass is made by melting high-purity quartz, and its main component is silicon dioxide (SiO _ 2). It has a series of excellent physical and chemical properties, such as high light transmittance, high hardness, high melting point, low thermal expansion coefficient and good insulation properties. These properties make quartz glass irreplaceable in semiconductor, optical fiber communication, aerospace, chemical industry and other fields.

2, The acid resistance of quartz glass

Quartz glass is an acidic material and therefore exhibits extreme stability in an acid environment. Specifically, quartz glass is inert to any acid except hydrofluoric acid (HF) and thermal phosphoric acid above 300 ° C. This means that in most cases, quartz glass can resist acid attack, thus maintaining its structural and performance integrity.

This property makes quartz glass widely used in chemical, pharmaceutical and laboratory fields. For example, it can be used to make combustion, cooling and ventilation devices for high-temperature acid-resistant gases, as well as evaporation, cooling and absorption devices for acid solutions.

3, The alkali resistance of quartz glass

Compared with acid resistance, quartz glass performs slightly worse in alkali environments. Although alkali and salt are less corrosive to quartz glass at room temperature, quartz glass is very sensitive to all alkali and alkaline earth compounds. These compounds, even in very small traces, may cause quartz glass to crystallize at high temperatures, resulting in its performance degradation.

Therefore, when using quartz glass, special attention needs to be paid to avoid direct contact with strong alkalis or alkaline earth compounds, especially under high temperature conditions. At the same time, for quartz glass products that need to be used in alkaline environments, special treatment varieties need to be selected to improve their alkali resistance.

4, The difference in acid and alkali resistance between transparent quartz glass and opaque quartz glass

There are certain differences between transparent quartz glass and opaque quartz glass in terms of acid and alkali resistance. Due to the presence of bubbles in opaque quartz glass, these bubbles increase its surface area exposed to corrosive liquid, thereby reducing its chemical stability. Therefore, opaque quartz glass has poor corrosion resistance in acidic and alkaline environments compared to transparent quartz glass.

This difference makes transparent quartz glass more advantageous in situations where high corrosion resistance is required. For example, when preparing high-purity chemical reagents or conducting precise physicochemical experiments, transparent quartz glass is often the material of choice.

5、The service life of quartz glass in an acid-base environment

The service life of quartz glass in an acid-base environment depends on a variety of factors, such as the type of acid and base, concentration, temperature, and the quality of quartz glass. Generally speaking, under appropriate conditions, quartz glass can maintain its performance and structural stability for a long time. However, under high temperature, high concentration or strong acid-base environment, the service life of quartz glass may be seriously affected.

Therefore, when using quartz glass, it is necessary to evaluate and select according to the specific situation to ensure that it can meet the requirements of use and prolong the service life. At the same time, quartz glass products exposed to acid and alkali environments for a long time need to be inspected and maintained regularly to detect and deal with potential problems in a timely manner.

Quartz glass has excellent acid resistance and is inert to most acids; however, in alkali environments, its performance is relatively weak, and special attention needs to be paid to avoid direct contact with strong bases or alkaline earth compounds. At the same time, transparent quartz glass is superior to opaque quartz glass in acid and alkali resistance. Therefore, when selecting and using quartz glass, it needs to be comprehensively considered and evaluated according to specific application scenarios and requirements.

Luverre Quartz manufactures and sells a wide range of high quality quartz glass, including quartz tubes, quartz plates, quartz rods, quartz windows, quartz crucibles, quartz boats, quartz flanges, quartz beakers, quartz glass instruments, and more. We can meet all kinds of customized requirements for quartz glass products.