PYREX 34 mL Test Tubes, 20x150 mm 9800-20 (Pack of 72)

These PYREX 34 mL test tubes are made from special tubing to give the optimum wall thickness. They are well annealed, resistant to heat and chemically stable. These 20x150mm tubes have a white marking spot. Beaded rims are fire-polished.

• Capacity - 34 mL
• Product Dimensions - 20 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.