PYREX®  Glass Test Tube, 12x75mm, pk/6

These test tubes are annealed, resistant to heat and chemically stable. Plain rims are fire-polished. These tubes have a white marking spot. Sold in a set of 6.

Specifications:

Component Materials: Type I Class A - Low-Expansion Borosilicate Glass, per ASTM E438
Capacity: 5mL
Dimensions: 12mm (0.47") OD x 75mm (3") High, 1.0-1.2mm Wall
Autoclaving: Will withstand repeated standard autoclave cycles of 121°C at 15 psi for 15 minutes.
Heating / Cooling:
This product is designed for heating by hot plate, flame, oven, microwave or heating mantles. In normal service
it can be heated many times to 230°C. It can be heated one time to 490°C in extreme service.
This product can be cooled to -230°C. DO NOT plunge product directly into a liquid coolant. Place the product in the
vapor phase of the liquified gasses for slow cooling prior to immersion in the coolant.
Vacuum / Pressure: Not designed for and is not rated for vacuum or pressure applications.
Sterilization: Shipped Not Sterile
TSE/BSE: Materials of animal origin are not used in the manufacture of this product.