Type I clear borosilicate glass vials are for use in various analyses and in specimen, extract and standards storage. They are prepared in a solvent-free facility to prevent possible volatile contamination. Vials are available with PP solid-top or open-top caps. Solid-top caps feature fluoropolymer resin liners. Open-top caps feature ultrasonically bonded 3,1 mm fluoropolymer resin/silicone