Apr 06, 2021 · 8-425 2ml Screw Vials - Quzhou Lab Technology 8-425 screw thread caps and vials are often used in conjunction with glass vials with caps supplier, Spectra-Physics, Varian, and other autosamplers Vials are manufactured of Clear, Type 1 Class A or Aer, Type 1 Class B borosilie glass and include a write-on patch for sample identifiion