There are screw thread, clip, and jaw (necessarily matching responsible to use).
Transparent and brown( to keep out of sunlight) is sorted specifically.
Products have different volumes – 2ml, 10 and 20, 40ml.
8mm, 9mm(NO. 8-425 or 9-425 are all standard screwed mouth), 11mm(crimp or bayonet)
If the blank area for writing exists is one classification criteria.
USP1 Borosilicate glass(a bit expensive than home-made one) It would be better if the transparent color is 5.0 but 7.0.
Septa & Cap
Screw Cover Gasket
PTFE /silica gel/PTFE, PTFE /silica gel Cap color: black-8mm; blue-9mm Septa color: white- silica gel; red or blue-PTFE
Crimp Cover Gasket
With better sealing effect, this gasket is usually applied to Gas Chromatogram or long-term sample storage.
For screw ones, here take SVS201C as an example. It is composed of Sample Vial, Screw top, 2ml, no writing space, the caliber of 9mm and clear vial. Crimp kind like SVC201C refers to the similar meaning as below.
Septa and Cap
SLSSC002SP: Sample vial screw cap with 002-9mm and SP-pre/slit