Test Tube Caps

38-430 STARLINE CAP, PP WHT

89-400 CAP, PP WHT, FMD PE LNR

Closed top, linerless screw thread caps. Made of Polypropylene Economical, one-piece construction Unique design provides exceptional sealing properties Color: Natural GPI finish: 15-415 Autoclavable

PP SturdeeSeal® PE Foam Lined Caps are known for good impact strength, cost effectiveness, and pliability. These polypropylene closures with foamed polyethylene liners have excellent sealing characteristics and offer good chemical resistance including acids, alcohols, alkalis, aqueous products,...

These blue PYREX® polyethylene caps provide an economical closure for some volumetric flasks (See Nos. 5580, 5581 and 5600).

For radiation-sterilization applications Use with NALGENE bottles Not autoclavable

More convenient, consistent, and safer sealing process compared to crimping (better reproducibility) No risk of inaccurate or inconsistent crimping results 1.5 mm thick septa are easier to penetrate than crimp closures N 20 with 3 mm thick septa generating less particles during sample pick up...

Globe Scientific CT™ flange plug caps have extremely high tolerances and are specifically designed for use with CapTrack™. These caps provide superior leak resistance in all tubes processed by CapTrack™ which allows for the utmost confidence in sample integrity during handling and...

Made of polyethylene Plug type push-in caps and 2-position snap caps are made of polyethylene for test tubes with outside diameters of 12 or 17 mm. Dual position caps offer two possibilities: the closed but unsealed position where samples are maintained aerobic for microbiological procedures; and...

Globe Scientific’s line of DiamondPure™ cost-effective chromatography vials is designed to deliver consistent performance across HPLC and GC workflows. Manufactured from Type I borosilicate glass and available in clear or amber, each 2mL vial pairs with a matching DiamondPure™ cap...

Secure your bottle contents with unparalleled efficacy using our premium Closure 13-415 from DWK Life Sciences. Expertly designed to fit bottles with a 13-415 neck finish, this cap ensures a tight, leak-proof seal for optimum content preservation and minimal risk of contamination. It is an...