Write on 1-3/8"H marking area with marker or pencil for easy sample identification
USP Type I, ASTM E 438 Type I, Class B compliant
Manufactured from borosilicate glass 5.1
1-3/8"H ceramic marking area is located 3/4" from the open end
Sturdy, uniform bottoms and consistent lengths
These disposable tubes are manufactured from borosilicate glass 5.1 to provide excellent chemical resistance. Easily label your samples for quick identification on a large, permanent ceramic marking area.