PYREX® Heavy Duty Griffin Beakers are specifically designed to offer the best mechanical strength under harsh conditions, such as mechanized washing operations. These heavy duty beakers feature heavy uniform borosilicate glass walls and bottom and strong rim. PYREX® Heavy Duty Beakers are also highly resistant to temperature shock and also offer maximum temperature resistance capabilities ranging from sub-freezing to above boiling and autoclaving.
For convenience, the 250ml through 4,000ml beakers have a double graduated metric scale to indicate their approximate content. All sizes have an extra large marking spot.
Reference: ASTM E-960 —type II, low form, with spout heavy duty. PYREX® beaker model number 1003.