Vial & Cap Kit Includes 100 EA 4ml, Screw Top, Clear Storage Vials and 100 EA matching, Attached Screw Caps with a Rubber / PTFE Liner fitted in the Black, Knurled, Phenolic Caps. BASIK Brand. Easy Purchase Pack. 144/CS.
These 4ml Vials are made with 1st Hydrolytic, TYPE 33 Borosilicate Glass with 13-425mm threads that a supplied in egg crate style corrugated tray, boxes.
Closed, or solid, Phenolic caps are supplied and can tolerate higher temperatures than polypropylene and are harder.
Caps and Vials are supplied assembled.