8-Pack Borosilicate Glass Tubes, 4 Inch Long, 12mm OD, 2mm Thick Wall - Heavy Duty Fire-Polished Glass Blowing Tubing for Lab, DIY, Art & Industrial Use (Clear)

Key Features: Material: Borosilicate Glass Size: 4Inches Quantity: Set of 8. Unmatched Material & Durability Crafted from premium 3.3 Borosilicate Glass, renowned globally for its superior resistance to heat, thermal shock, and corrosive chemicals (acids and alkalis). This ensures our tubing will not deform or shatter under extreme conditions, providing reliable, long-term performance whether in a laboratory furnace or an artistic lampworking setup. User Safety & Master Craftsmanship We prioritize your safety. Unlike cheaper tubes, every piece is fire-polished on both ends, resulting in smooth, rounded edges. This meticulous craftsmanship eliminates sharp fragments, ensuring safe handling, transportation, and direct use, differentiating us as the premium, safe choice for enthusiasts and professionals alike. Versatile Application Scenarios The Ultimate Multi-Purpose Tubing: Ideal for Scientific Research (liquid transfers, experimental setups), Educational Demonstrations, Glass Blowing Art (pipe making, sculptural elements), DIY Home Projects, and light Industrial Fabrication. Whatever your project demands, our clear, precision-sized tubes deliver. Added Value & Packaging Guarantee Value Pack & Complete Set: Your order includes the necessary cleaning brushes, making maintenance simple and efficient. Plus, we guarantee a Shatter-Proof Delivery. Each piece is carefully inspected, individually secured with thick bubble wrap, and shipped in a sturdy, custom box, drastically minimizing breakage risk. If any tube arrives damaged, we offer a 100% free replacement.

• Superior Thermal & Chemical Durability:Made from premium borosilicate glass, these tubes offer exceptional resistance to chemical corrosion, acid, and alkali. Their high heat resistance allows them to endure rapid temperature changes, making them a reliable choice for professional laboratory experiments and chemical research.
• Reinforced 2mm Thick Wall:Designed with a standard 12mm Outer Diameter and an extra-thick 2mm wall, these tubes are robust and hard-wearing. The thickened glass structure provides enhanced mechanical strength, ensuring they won't break easily during daily use or transport.
• Versatile for Lab & Creativity:Whether you are a scientist, a glass-blowing artist, or a DIY enthusiast, these 4-inch (10cm) tubes are the perfect size. They are widely used for liquid handling in labs, school classroom demonstrations, creative lampworking, and various home craft projects.
• High Transparency & Reusable:Our glass tubing features excellent clarity with no impurities, allowing for precise visual inspection of contents. The smooth glass surface is easy to rinse with warm soapy water, ensuring the tubes remain hygienic and ready for repeated use.
• Secure & Protective Packaging:Your satisfaction is our priority. Each glass tube is carefully inspected and packed with multi-layer bubble cushioning to prevent damage during shipping. Order with confidence knowing your glass tubes will arrive safely and ready for your project.