Qorpak’s pre-cleaned screw thread vial kits offer the ultimate in convenience. These clear (flint) glass vials are made from Type I borosilicate glass, the standard for quality lab quality. Choose from black phenolic (thermoset) plastic screw caps with PolyCone liners or the green phenolic screw caps with F217 PTFE-faced liners.
The cost-effective Vacuum and Ionization process removes contaminants such as loose dirt, carton lint, aerosols, and fine glass particles are from the vials, and seals cleanliness into each individual screw thread vial. Learn more about our V&I process here.