Shadowless bottom of each tube transmits undistorted light
· Standard Taper cap style stopper
· Replacement cap is 15182
· 45325A is supplied in a matched set of 6
· 45325B is supplied in a matched set of 12.
· Graduated ring scale of any of the tubes within a set will not vary from that of any other tube within the set by more than 1.5 mm for the 50 mL and 2.0 mm for the 100 mL sizes
· The 50-100 mL size is designed from ASTM D1209
· Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A req