Jul 05, 2021 · Greyhound’s range of vials are suitable for all major Instrument manufacturers’ equipment, including Aijiren, PerkinElmer, Shimadzu and Thermo Scientific. Vial closures include Crimp Caps and Plug Caps, come in a variety of sizes and materials, including Aluminium, Butyl, Chlorobutyl, PTFE and Foam.