20 mL Glass Vials with Screw Caps, 24-400 Thread, USP Type I Borosilicate Glass Bottles with PP Caps & PE Liners, Leakproof, Freezable, Pack of 500

20ml Glass Vials with PE Liner

• Made from low-extractable USP Type I borosilicate glass (ASTM E438 Type I, Class A), featuring low potassium and sodium content with a 3.3 × 10⁻⁶ /℃ low expansion coefficient for excellent chemical stability.
• Offers strong resistance to chemical attack and thermal stress. The glass vials are freezable down to -70°C (-94°F) and suitable for up to 300°C (572°F) under proper conditions.
• Equipped with 24-400 polypropylene (PP) screw caps and PE liners, providing reliable sealing to help prevent evaporation, or leakage during storage and transport.
• Ideal for storing laboratory samples such as liquids, powders, and small solid materials. Designed to help maintain sample integrity during storage.
• Vials are securely arranged in a labeled cell tray with alphanumeric coordinates for easy identification and fewer handling errors. 500 borosilicate glass vials included.