Specification: Sample glass vials with black screw caps. Bottle height (without cap): 80mm, bottle diameter: 27mm.
No Leak: The cap comes with a PE pad, which combined with the threaded spout, better prevents the liquid from leaking or evaporating.
Material: These sample vials are made of high-quality borosilicate glass, low content of free ions, low coefficient of expansion, and very high chemical resistance. It is suitable for containing all injectable preparations with acid, neutral and alkaline pH.
Wide Applications: Great for storing liquids, powder, seeds, specimen, etc. Perfect for essential oils, perfumes, reagents, as well pharmaceuticals, pills and among other items.
Package include: 28pcs borosilicate glass vials, 28 black PP caps. Sealed packaging, more hygienic and safe.