Glass Test Tubes with Rubber Stoppers, Karter Scientific 201B5 (Pack of 10)

Karter Scientific is a registered trademark in the United States of America. To maintain quality control, authorized permission is required for the resale of our products. These disposable glass test tubes are made of 3.3 borosilicate glass to reduce pH changes and potential contaminants that could be leached from soda-lime glass.

The test tubes are 6-inches (150mm) tall and .63 inch (20mm) wide, with a capacity of 23ml or 3/4 fluid ounce. Manufactured using high-quality 3.3 borosilicate glass, these test tubes are designed to provide reliable and consistent performance. Included with each set are durable rubber stoppers, ensuring a secure and airtight seal for your experiments or storage needs.

The use of borosilicate glass in these test tubes offers several key advantages. Borosilicate glass is highly resistant to thermal shock, making it less prone to cracking or breaking when exposed to sudden temperature changes. Additionally, the borosilicate composition helps to minimize pH alterations and the leaching of contaminants, ensuring the integrity of your samples and experiments.

Karter Scientific's commitment to quality is evident in the design and construction of these test tubes. The glass used is of the highest purity, and the inclusion of rubber stoppers provides an added layer of protection and convenience. Whether you're a researcher, laboratory technician, or a hobbyist, these test tubes are an essential tool for a wide range of applications.

In summary, the Karter Scientific disposable glass test tubes offer a reliable and versatile solution for your scientific needs. With their borosilicate glass construction, secure rubber stoppers, and precise dimensions, these test tubes provide the quality and performance you can trust. Backed by Karter Scientific's registered trademark, you can be confident in the integrity and performance of these products.

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