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Stoppers/Droppers

Stoppers and droppers are testing equipment used for purposes such as sealing test tubes and moving liquids. For stoppers, silicone and fluorine resin with excellent heat resistance and chemical resistance, natural rubber, and the like are used. Synthetic rubber has high oil resistance and stainless steel pugs can be attached without directly touching the test tube. Cork borers are used for work to cut holes in rubber or cork stoppers, and some stoppers come fabricated to make cutting holes easier. Many droppers are made of silicone or natural rubber, and they are used attached to transfer pipettes, not individually. They are convenient for taking specific amounts of liquid and dripping small amounts of liquid as well as for transferring chemicals and the like from one container to another. Rubber bulbs have 3 valves, and they are used attached to measuring pipettes or transfer pipettes. Droppers and bulbs need to be selected according to the diameter of the opening of the pipette they are attached to.
Days to Ship
  • All
  • 1 Day(s) or Less
  • 2 Day(s) or Less
  • 4 Day(s) or Less
  • 8 Day(s) or Less
  • 10 Day(s) or Less
  • 11 Day(s) or Less
  1. 1
Brand
Product Series
Days to Ship
Product Type
Material
Color

    Silicone Long Plug

      Red Rubber Plug No.0-No.20

        Uni-Stopper

          Silicone Plug, No. 0 - No. 20

            Micro Silicone Plug 1-9662

              Neoprene Long Plug

                Viton Plug

                  Silicosen®

                    BioSilico®

                      Single Ball Rubber

                        Single Action Oil Supply Valve (Cokkun)

                          Crimper, CRP Series

                          Brand

                          AS ONE

                          AS ONE

                          TGK

                          AS ONE

                          AS ONE

                          AS ONE

                          AS ONE

                          AS ONE

                          AS ONE

                          AS ONE

                          AS ONE

                          AS ONE

                          Product Series

                          Silicone Long Plug

                          Red Rubber Plug No.0-No.20

                          Uni-Stopper

                          Silicone Plug, No. 0 - No. 20

                          Micro Silicone Plug 1-9662

                          Neoprene Long Plug

                          Viton Plug

                          Silicosen®

                          BioSilico®

                          Single Ball Rubber

                          Single Action Oil Supply Valve (Cokkun)

                          Crimper, CRP Series

                          Days to Ship 1 Day(s) or more 1 Day(s) or more 11 Day(s) 1 Day(s) or more 1 Day(s) or more 2 Day(s) or more 1 Day(s) 8 Day(s) 8 Day(s) or more 2 Day(s) or more 8 Day(s) 8 Day(s) or more
                          Product TypePlugPlugPlugPlugPlugPlugPlugPlugPlugSyringePlug-
                          MaterialSiliconNatural RubberFluororesinSiliconSiliconSynthetic RubberSynthetic RubberSiliconSiliconNatural RubberStainless Steel-
                          ColorWhite / Green / OtherRedWhiteOtherOtherBlackBlackOtherOtherBlackGreen-

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