Solid rubber stoppers are commonly used in laboratories, households and industries to seal or block openings such as test tubes, beakers, bottles, water pipes, drains. They are also widely used for protecting key components during processes like spraying, electrophoresis, electroplating, anodization, sandblasting, and shot blasting.SpecificationColor: WhiteMaterial: RubberMax Diameter: 8.5mm / 0.33 inchMin Diameter: 4.5mm / 0.18 inchHeight: 16mm / 0.63 inchPacking List: 24Pcs x Solid Rubber StoppersAdvantageThe lab plug is made of solid rubber material with high temperature resistance, acid and alkali resistance, corrosion resistance, along with good sealing performance. It is sturdy and durable, not easily deformed, washable, and can be used for a long time.
8 Hole 3 Layer Test Tube Holder Lab Stand Rack Stainless Steel
Test Tube RackGeneral Information：[1]Package Contents: 1 x Tube Rack[2]Highly polished surface, no edges and sharps, chemical and corrosion resistant.[3]3 Layer, fit for 26 to 30mm test tubes, round holes, hold 8 tubes.[4]Economical and space-saving rack for applications in lab or at home.[5]Made of 304 Stainless Steel, durable and light weight, easy to carry. It can be used to place the test tube in an manner in the laboratory, so as to save a lot of space, and can be used as a carrier to better move the test tube.
30 Holes 3 Layer Test Tube Holder Rack Lab Stand Stainless Steel
Test Tube RackGeneral Information：[1]3 Layer, 2 slots, each layer has a direction, slide the shelves in from one side, the other side has a lip that stops it, fits very snug.[2]Highly polished surface, no edges and sharps, chemical and corrosion resistant.[3]Fit for 26 to 29.5mm test tubes, round holes, hold 10 tubes.[4]Economical and space-saving rack for applications in lab or at home.[5]Made of 304 Stainless Steel, durable and light weight, easy to carry. It can be used to place the test tube in an manner in the laboratory, so as to save a lot of space, and can be used as a carrier to better move the test tube.