Screw Gc Vial With Closures
The main material of Screw headspace sample vial is medical borosilicate glass. The vial body is annealed at a high temperature of 580 degrees Celsius, and the wall thickness is uniform, which can be used for high temperature sterilization. The vial cap is made of PTFE/silicone gasket and aluminum cap with holes. Clamping headspace vials are mainly used for liquids and powders that need to be sealed. The colors are mainly transparent colorless glass, amber glass and silver open-eye aluminum cover.