ONiLAB 17oz(500ml) Sturdy Glass Beaker, 3.3 Borosilicate Griffin Low Form with Printed Graduation, Pack of 6 13900249

"ONiLAB Glass Beaker Set, Griffin, Low Form, with Spout, Single Scale, 6pcs of 500ml Component Materials: Type I Class A - 3.3 Borosilicate Glass Attributes: ASTM Reference - E960 Specification for Laboratory Glass BeakersAutoclaving: This product will withstand repeated standard autoclave cycles of 121°C at 15 psi for 5 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: This product is not designed for and is not rated for vacuum or pressure applications.

Sterilization: Shipped Not Sterile Remark: 1.

Not suggest use beaker for accurate measuring.

2.

There should be no water droplets on the outer wall of the beaker when heated, Otherwise it will cause uneven heating.

3.

When heating the liquid in the beaker, do not exceed 2/3 of the volume of the beaker, generally 1/2 of the volume of the beaker is appropriate."