6 Pack 4 Inch Borosilicate Glass Tubes, 12mm OD x 2mm Wall Thick High Heat Resistant Glass Tubing with Cleaning Brush for Lab, Lampworking, Glass Art, DIY & Industrial

6 Pack 4 Inch Borosilicate Glass Tubes, 12mm OD x 2mm Wall Thick High Heat Resistant Glass Tubing with Cleaning Brush for Lab, Lampworking, Glass Art, DIY & Industrial

• . Premium Borosilicate Glass Material – Our glass tubing is crafted from high-quality borosilicate glass, renowned for its exceptional durability and outstanding resistance to thermal shock and high temperatures. The crystal-clear transparency enhances visibility for precise observation, making it an excellent choice for laboratory work and glass art projects. Plus, it is microwave and dishwasher safe for added convenience and reusability.
• Ideal Size & Convenient 6-Pack Set – Each glass tube measures approximately 4 inches / 10 cm in length, with a 12 mm outer diameter, 8 mm inner diameter, and 2 mm wall thickness—the perfect dimensions for a wide variety of institutional and personal applications. This set includes 6 tubes of uniform size, along with a complimentary cleaning brush, so you have everything you need right out of the box.
• Versatile Applications Across Multiple Fields – These borosilicate glass tubes are more than just glassworking supplies; they function perfectly as lab test tubes for scientific experiments, classroom demonstrations, and industrial testing. Beyond professional settings, they are also great for creative DIY projects, jewelry making, and craft hobbies—letting your imagination run free without limitations.
• Safe, Durable & User-Friendly Design – Featuring a smooth, burr-free surface and sturdy thick walls, our glass tubing withstands high-temperature environments with ease, making it safe for microwave and dishwasher use. Both ends are fire-polished to eliminate sharp edges, ensuring safe handling and protecting your hands during use—a thoughtful design that prioritizes longevity and user safety.
• High Transparency for Precision Work – The exceptional clarity of our industrial glass tubing allows for easy content monitoring and accurate measurements, which is especially critical in laboratory and research settings where precision matters most. At the same time, this optical clarity adds a clean, professional aesthetic that makes these tubes as visually appealing as they are functionally effective.