A 20mm vial crimper（Not Provided） is required to fully seal the aluminum cap. Excellent Seal: The equipped plastic-aluminum lid and rubber stopper ensure the tightest seal and reduce the possibility of sample evaporation.
A 20mm vial crimper（Not Provided） is required to fully seal the aluminum cap. Excellent Seal: The equipped plastic-aluminum lid and rubber stopper ensure the tightest seal and reduce the possibility of sample evaporation.