Test tube:
Length: 50mm-200mm.
Thickness: 0.6mm-1.0mm.
Out diameter: 6mm-32mm.
Material: Neutral glass(type I).
Printing: We can print on all type of test tubes.

Normal sizes: (Outside Diameter*Length)
6*50mm
10*75mm
12*75mm
13*100mm
15*100mm
15*125mm
15*150mm
16*100mm
16*125mm
16*150mm
18*150mm