VWR Corks

VWR Corks. The top of each dispensing cork is completely free of air moisture and chemical additives ensuring effective performance every time. A patented spring-loaded ball eliminates breakage and enables smooth pouring. One end of the cork is left unfinished for an added finishing touch while the other end is finished and ready to accept a branded label letting you easily and quickly create custom inks or gravimetric weights. The finely-ground cork top minimizes breakage and recovery while the