PYREX 20 mL Test Tubes, 16x150 mm 9800-16 (Pack of 72)

These test tubes are made from special tubing to give optimum wall thickness. They are well annealed, resistant to heat, and chemically stable. Rims are fire-polished to provide a smooth yet durable surface. The 25-mm tubes have a PYREX logo but no marking spots. All other test tube sizes feature a white marking spot. SpecificationsLength (mm): 150 Outside Diameter O D (mm): 16 Capacity (mL): 20 Test Graduations: None Buttom Shape: Round Color: Clear Material: Glass Description: testtube20m L,packof72

• Capacity - 20 mL
• Product Dimensions - 16 mm OD x 150 mm High, 1.0-1.2 mm Wall
• Type I Class A - Low-Expansion Borosilicate Glass
• The glass in 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.
• PYREX scientific glassware has been a trusted partner for chemists and research scientists in the toughest laboratory environments for more than 100 years.