C-5640 Flask, Pyrex®, Volumetric, Class A, Pyrex® Stopper

Description

The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for Standard Taper glass stoppers. The graduation line is sharp and permanent and large white block letters make the inscription easy to read.The 1mL and 2mL sizes are test tube shaped.Sizes 3L thru 6L have Standard Taper pennyhead stoppers.

Application Notes

C-5640 For stopper only on sizes 1mL thru 2L, See No. 7650; for sizes 3L thru 6L, See No. 7660.