6 Borosilicate Glass Tubes 4 inches long Transparent Suitable for glassblowing, laboratory, DIY, and industrial applications Reusable

Premium Material: Our glass tubes Constructed from premium borosilicate glass, glass blowing tubes are highly resistant to thermal shock and chemical corrosion. glass tube exceptional durability and transparency make glass test tube ideal for laboratory experiments, industrial applications, and artistic glass blowing projects

• The chemical composition of borosilicate glass provides it with a strong hydrolytic resistance and durability to corrosive substances.
• 【Multi domain universal artifact】 Suitable for glass blowing, chemical laboratory vessels, industrial oil observation windows, DIY creative and other scenarios
• Precision Dimensions for Versatile Applications Each tube measures 3.9 inches (100mm) in length with a 8mm internal diameter and 12mm outer diameter. The consistent dimensions and smooth bore ensure predictable performance for industrial processes, laboratory setups, and specialized craft projects.
• Robust & Durable Design Features a substantial 2mm wall thickness and sturdy construction for enhanced strength and resistance to chipping during handling and use. Built for reliability in demanding applications
• Premium Borosilicate Glass Construction Crafted from laboratory-grade borosilicate glass, offering exceptional thermal shock resistance and high temperature tolerance. Engineered for superior durability compared to standard glass