1. Glass Vials
Wheaton “180”® low potassium borosilicate glass (meets ASTM Type I Class A and USP Type I standards). Vials are packed in individual cells in trays of 100.
Vials are in trays are shrunk-wrapped in plastic, 5 trays to a case. Screw caps size 22-400 is made from Urea with Poly-seal cone liner. Caps are packed separately in polyethylene bags of 100. Vial measures 28mm diameter x 57mm height (with cap off), and 61mm height (with cap on). Size 20 ml.
2. High Density Polyethylene (HDPE) Vials
Opaque, high-density polyethylene vials are economically priced. They are 20 ml in capacity and they measure 27mm diameter x 61mm height (with cap). The screw caps are 22-400 and they are made from polypropylene with a foam-polyethylene liner. The vials and caps are packaged the same way as glass vials.
3. Polyethylene Terephthalate (PET)
For optimal performance in the laboratory, PET plastic vials provide a combination of features previously unavailable in a counting vial. Safe disposal is accomplished by incineration. No harmful gas is generated (only CO2 and H2O are created). These vials are lightweight, virtually unbreakable and they have the clarity of glass. PET vials also offer low permeability to solvents and minimal background count. These vials hold 20 mls of fluid and they measure 27mm diameter, 61mm height (with cap on). The screw caps are 22-400 and are made from polypropylene with a foamed polyethylene liner. The vials and the caps are packaged separately.
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