Glass Blowing Tubes Set, 10pcs 15x100mm, 4" Thick Wall Test Tubes for Crafts and Labs

Enhance your scientific experiments with these high-quality glass test tubes. Crafted with precision, each tube features an inside diameter of 13mm and a length of 100mm, with a thick wall of 1mm for added durability. The transparent glass construction is resistant to high temperatures of up to 200 degrees and boasts a low thermal expansion coefficient, making it perfect for various laboratory applications. Both ends are fire-polished for smooth handling, ensuring safety and usability. Ideal for reactions with small amounts of reagent, these tubes are suited for use at room temperature or under heat.

Features:
- Inside Diameter: 13mm
- Outside Diameter: 15mm
- Length: 100mm
- Thick Wall: 1mm
- Material: Durable glass
- Color: Transparent
- Fire-polished ends on both sides
- Heat resistant up to 200 degrees
- Low thermal expansion coefficient
- Includes 10 tubes per package

(Note: Variations in color may occur due to lighting. Measurement error possible within +/- 1-3cm.)