Quartz Glass Test Tubes 1100°C Temperature for Lab Science Research | 93% light transmittance, ideal for chemical testing & education(20x200mm 5pcs)

- Made from high-purity quartz glass, withstands continuous use up to 1100°C and short-term exposure up to 1450°C
- Excellent visible light transmittance over 93% and U-V transmittance above 80% for clear sample observation
- Superior thermal insulation and electrical resistance; not resistant to hydrofluoric acid
- Available in multiple sizes: 10-75mm, 10-100mm, 12-200mm, and more to fit diverse lab needs
- Ideal for scientific research, chemical testing, and educational experiments in high-temperature environments