Quartz Tube Raw Mineral Quality Standards and Key Indicator Analysis

The quality standards for raw minerals used in quartz tube drawing include the following aspects:

The SiO2 content must be higher than 99.5%.

The hardness of the quartz tube raw mineral should be above level 7, with a density between 2.6-2.7g/cm³.

The raw mineral is primarily white or off-white, without any black spots, cracks, or other apparent defects.

The quartz tube raw mineral should have minimal impurities and moisture content, making it easy to process into products with regular dimensions.

Under certain temperature and humidity conditions, the raw mineral should be able to withstand a certain amount of pressure without deforming or cracking.

These are the basic quality standards for the quartz tube raw mineral, which may need to be adjusted according to different demands and applications.

Hardness is one of the important indicators of quality for quartz tubes. A high hardness level means it is less prone to wear, scratches, and can maintain its luster over a long period. According to mineral hardness ratings, the hardness index of quartz tubes is 7.

Compressive strength refers to the amount of pressure a material can withstand from external forces without breaking or deforming. Quartz tubes have a high compressive strength, generally over 100 MPa, allowing them to withstand significant pressure.

The water absorption rate is also an important indicator. A high water absorption rate indicates a higher porosity, making it easy to absorb moisture, which can facilitate the growth of bacteria and mold, thus affecting the lifespan. A good quartz tube typically has a water absorption rate of less than 0.1%.

Due to geological reasons, some quartz tubes might contain radioactive materials, such as uranium, thorium, and potassium. Therefore, radioactivity is a key indicator to monitor. Good quality quartz tubes should be non-radioactive to avoid any health risks to users.

In summary, the hardness, compressive strength, water absorption rate, and radioactivity are several critical indicators to consider when purchasing quartz tubes. It is essential to ensure the quality by choosing reputable manufacturers and brands to guarantee safety and quality during use.

Global Quartz Tube specializes in the production of high-quality quartz tubes, committed to maintaining rigorous quality standards and employing advanced manufacturing techniques. For inquiries and further information, please contact us at contact@globalquartztube.com.