Flint glass, disposable.

• Tubes are packed in lint-free packaging and are shrink-film sealed to prevent any contamination from outside sources
• Tops are fire-polished to eliminate rough edges

These tubes are chemically clean and well-suited for general use in chemistry, blood banks, hematology, and other laboratory procedures. Each tube is annealed at temperatures over 426,7 °C to reduce breakage and increase strength. Tubes feature smooth, well-rounded bottoms with no irregularities.