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These rubber stoppers fit for sealing and protection tasks such as hole plugs, spraying, coating, and paint protection. They are commonly used with test tubes, flasks, chemical bottles, and condensers in labs. They also serve as effective sewer, drain, or water pipe plugs, and are suitable for blocking ports and pipelines in machinery, automotive, and construction work. Furthermore, they work well for DIY projects and craft storage organization.SpecificationMaterial: RubberColor: Black/WhiteBottom Diameter: 33 mm / 1.3 InchTop Diameter: 42 mm / 1.65 InchTotal Height: 30 mm / 1.18 InchPacking List: 12 Pcs x Rubber Plugs for Round HolesAdvantageThese rubber drain stoppers are made from flexible, non-harmful rubber, offering strong stability and corrosion resistance.

These rubber stoppers fit for sealing and protection tasks such as hole plugs, spraying, coating, and paint protection. They are commonly used with test tubes, flasks, chemical bottles, and condensers in labs. They also serve as effective sewer, drain, or water pipe plugs, and are suitable for blocking ports and pipelines in machinery, automotive, and construction work. Furthermore, they work well for DIY projects and craft storage organization.SpecificationMaterial: RubberColor: Black/WhiteBottom Diameter: 33 mm / 1.3 InchTop Diameter: 42 mm / 1.65 InchTotal Height: 30 mm / 1.18 InchPacking List: 4 Pcs x Rubber Plugs for Round HolesAdvantageThese rubber drain stoppers are made from flexible, non-harmful rubber, offering strong stability and corrosion resistance.

These rubber stoppers fit for sealing and protection tasks such as hole plugs, spraying, coating, and paint protection. They are commonly used with test tubes, flasks, chemical bottles, and condensers in labs. They also serve as effective sewer, drain, or water pipe plugs, and are suitable for blocking ports and pipelines in machinery, automotive, and construction work. Furthermore, they work well for DIY projects and craft storage organization.SpecificationMaterial: RubberColor: Black/WhiteBottom Diameter: 33 mm / 1.3 InchTop Diameter: 42 mm / 1.65 InchTotal Height: 30 mm / 1.18 InchPacking List: 4 Pcs x Rubber Plugs for Round HolesAdvantageThese rubber drain stoppers are made from flexible, non-harmful rubber, offering strong stability and corrosion resistance.

These rubber stoppers fit for sealing and protection tasks such as hole plugs, spraying, coating, and paint protection. They are commonly used with test tubes, flasks, chemical bottles, and condensers in labs. They also serve as effective sewer, drain, or water pipe plugs, and are suitable for blocking ports and pipelines in machinery, automotive, and construction work. Furthermore, they work well for DIY projects and craft storage organization.SpecificationMaterial: RubberColor: Black/WhiteBottom Diameter: 33 mm / 1.3 InchTop Diameter: 42 mm / 1.65 InchTotal Height: 30 mm / 1.18 InchPacking List: 12 Pcs x Rubber Plugs for Round HolesAdvantageThese rubber drain stoppers are made from flexible, non-harmful rubber, offering strong stability and corrosion resistance.

Lab vial is suitable for HPLC, GC, LC/MS applications, atomic absorption, capillary electrophoresis (CE + CE/MS), and high-throughput analysis for reliable results. Sample vials can be used on all common automatic stamper for thin-neck bottles.SpecificationColor: TransparentMaterial: PPCapacity: 0.3mLBottle Mouth Outer Diameter: 9.5mm / 0.4 inchBottle Size: 31 x 11.5mm / 1.2 x 0.5 inch (H*OD)Packing List: 100 x Autosampler VialAdvantageDurable Construction: They are made from durable polypropylene material, ensuring durability and reliability for your laboratory needs.Secure Sealing: They feature fused inserts that provide a secure and leak-proof seal, preventing potential evaporation of samples.Graduated Markings: Each vial is marked with clear graduations, enabling accurate measurement.

These bottles are versatile. You can use them to store liquids, lab samples, process materials, small samples, spices, essential oils, or other substances. Whether in the lab, classroom, or home, they can effectively and safely meet a variety of storage needs.Specification:Material: PPColor: ClearCapacity: 30mlMouth Inner Diameter: 21mm / 0.83 InchOverall Size: 33.5 x 61.5mm / 1.32 x 2.42 Inch ( OD * H )Packing List: 6Pcs x Plastic Sample Bottles, 24 x LabelsAdvantage:The sample bottles are made of PP material, which is sturdy and durable. These sample bottles can withstand temperatures from -4°F to 248°F (-20°C to 120°C) and have excellent acid, alkali, and high temperature resistance.Each bottle is equipped with a secure screw cap to prevent leakage and spillage, ensuring that your liquid is protected and can be used with confidence.

Features:Made of plastic, durable and light weight.Conveniently use as a drying rack for glass plates or upside-down tubes.Economical rack for applications in lab or at home.Specifications:Material: PlasticColor: YellowModel: 6 Wells 6 PinsPin Size: 9mm x 68mm / 0.35" x 2.68"(D*H)Hole Diameter: 21mmFit for: 18-21mm tubesSize: 240mm x 80mm x 90mm / 9.45" x 3.15" x 3.54"(L*W*H)Package Contents:2Pcs x Tube Rack.

Features:Made of plastic, durable and light weight.Conveniently use as a drying rack for glass plates or upside-down tubes.Economical rack for applications in lab or at home.Specifications:Material: PlasticColor: YellowModel: 6 Wells 6 PinsPin Size: 9mm x 68mm / 0.35" x 2.68"(D*H)Hole Diameter: 21mmFit for: 18-21mm tubesSize: 240mm x 80mm x 90mm / 9.45" x 3.15" x 3.54"(L*W*H)Package Contents:2Pcs x Tube Rack.

Description:Durable Material: The laboratory sealing plug is made of solid rubber, high density, elastic and good sealing, wear-resistant and not easy to deform, and durable.Tapered Design: Our lab rubber plug has a conical side, a smooth surface, easy to insert and remove, with good sealing and insulation performance. Very suitable for laboratory and industrial use.Easy to Use: These solid rubber plugs are easy to install, just insert the rubber plug into the mouth of the glass bottle, and gently turn to ensure that it is in place, and a firm fit.Application: Our rubber plugs are suitable for a variety of laboratory and industrial applications, including chemical reactions and sample storage, used to plug and seal test tubes, containers, flasks, pipes, and other experimental instruments to prevent leakage.

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