Clear Flat Bottom Quartz Glass Test Tube with Cork
1. Material Properties of Quartz Glass Flask
Quartz glass flasks are known for their high mechanical strength and ability to withstand sudden temperature changes. The bonding department is very strong, making them resistant to multiple atmospheres of pressure.
Advanced processing technology ensures a smooth and transparent surface, offering excellent optical properties.
Made from high-quality quartz glass, these test tubes are free from bubbles and streaks, ensuring clarity and durability.
They are highly resistant to corrosion and can withstand high temperatures, with short-term usage up to 1300°C and excellent thermal stability.
Application:
These test tubes are widely used in the chemical industry, petrochemical industry, electronic chemistry, biochemical pharmaceuticals, and laboratories for various experiments and testing purposes.

Our Services
1. OEM service available
2. Custom production according to customer requirements, including design, packaging, and logo printing
3. Special packaging for fragile items to ensure safe delivery without breakage
BAIBO is one of the leading manufacturers and suppliers of high-quality quartz glass and precision ceramics in China.
With years of experience, BAIBO has established itself as a key player in the quartz glass industry, serving sectors such as semiconductors, chemicals, solar energy, and precision ceramics.
We pride ourselves on understanding our customers’ needs and delivering products that meet their expectations. Our commitment to continuous improvement ensures quality, reliability, and innovation across all aspects of our business.
At BAIBO, we value trust, fairness, and respect for our employees, suppliers, and customers. We believe that maintaining strong relationships is essential to long-term success.
1. Trade Assurance Service available with a guarantee account of USD 40,000.
2. 8 years as an Alibaba Golden Supplier.
3. 0% complaint feedback.
4. 100% positive reputation.
The conical twin screw is different from the parallel twin screw in appearance. Its two ends have different diameters. The diameter of the feeding section is large, while the diameter of the homogenization section is small, and the middle is gradually transitioned. The conical twin-screw is a meshing type, and most of them are counter-rotating.
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