uxcell White Tapered Shaped Solid Rubber Stopper for Lab Tube Stopper Size 12
- About Size: Bottom Diameter(small-end): 51mm / 2inch.
- Not easy to deform, moderate hardness, manufactured according to standards, materials.
- High elasticity, good insulation and sealing performance, high temperature resistance ,acid and alkali resistance, will not dissolve and swell in acidic liquids..
- Normal using: Can be used to block glass ports, pipe mouths, fish tank openings, etc..