BoroSil
Consistent glass and stoppers that seat first time.
Type I borosilicate serum vials supplied with butyl rubber stoppers and aluminium flip-off caps, ready to seal.
Best for: General storage where you seal your own vials.
PureGrade
Consistent seals and the best price per vial in the test.
Type I borosilicate vials with butyl stoppers and aluminium crimp caps, supplied in a moulded tray that survives shipping.
AmberGuard
Amber glass for anything you want kept out of the light.
Small-format amber vials with flip-off caps, useful for splitting stock into single-use portions.
SealLab
Turns loose caps into proper seals without a workshop.
A hand crimper plus decapper sized for 20 mm caps, with adjustable jaw tension so you can stop over-crushing caps.