Also known as snap-cap bottles, made of borosilicate glass of hydrolytic class 1.

Clear glass

1) With flat bottom and rim acc. to DIN 58366 part 1.
2) With rounded bottom rim and special snap-fit rim.
3) Made of glass of a hydrolytic class 3.

Suitable for autosamplers from the companies:
a) Waters, model WISP size 48 specimen tray.
b) Carlo-Erba, model HS 250.
c) DANI, head-space sampler.
d) Perkin-Elmer, head-space sampler 740 and 745.

For closing the above vials. The listed cap sizes fit the same diameter. These caps have a hole and are equipped with seal rings.

1) Special magnetic cap with hole, for Shimadzu head-spacer sampler HSS-2B
2) These caps are particularly ideal for head-space analysis because the aluminium caps have rupture points which prevent the vials from bursting if the pressure rises too high.