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Stoppers
Stoppers, also known as bungs, are used to give an airtight seal to laboratory flasks and test tubes by fitting tightly inside a container's neck, preventing material from spilling out. Rubber stoppers are often sized with a stopper number or stopper size, using the stopper's top and bottom diameter dimensions. Sizing can vary among manufacturers. Stoppers are typically designed with a conical shape, but straight and flanged options are also available. Rubber stoppers are available in a solid design or with holes, also known as positions, present on the stopper's top. Positions are used to
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Stopper Solid Rubber 13 mm Bottom Diameter 20 pcs
Diameter (Metric) Plug: 1.38cm For Use With (Equipment): Serum and vaccine bottles. Length (Metric) Sleeve: 1.5cm Size: 14.5
Color: Blue. Product Type: Tapered Stopper. Color: Yellow. Material: HDPE.
Offers higher resilience, flexibility and can withstand many chemical agents in normal laboratory use.
Provides for extremely high chemical purity and low gas permeability. Wheaton™ Ultra Pure Straight Plug Stoppers are manufactured from an ultra pure bromobutyl formulation.
Fisherbrand™ PTFE Stopper, Self Releasing fit standard taper ground glass joints with sealing rings and self releasing ring for ease of removal.
Available in a variety of sizes ranging from 000 through 16
For Use With (Application): For narrow aperture containers. Total Positions: 1. Product Type: Turnover Septum Stopper.
Length (Metric): 20 mm. Quantity: 1 Ea. Diameter (Metric) Bottom: 9 mm. Diameter (Metric) Top: 13 mm.