Poly Stopper

Items Details Price
SmallPYREX® Class A Volumetric Flasks w/Polyethylene Stopper
(F4180)
The strength of these Class A PYREX® volumetric flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-beaded, heavy-tubing necks, tooled for polyethylene stopper. The linear high density polyethylene stopper is made with a closed bottom to conform to ST stopper dimensions. The gradu... $25.43
KIMAX® Class A Volumetric Flasks with Polyethylene StopperKIMAX® Class A Volumetric Flasks with Polyethylene Stopper
(F4190)
KIMAX flask with a graduation ring blasted on the neck. Calibrated to contain. With a marking spot on sizes 10 mL and larger. The 1 and 2 mL sizes are test tube shaped. All other sizes are of a conventional flask shape. Supplied with a 28160R polyethylene stopper to fit in the ground neck. Enlarged top of the stopper wi... $31.29