The contact surface may discolor due to chemical reactions.
Industrial rubber stoppers for test tubes, bottles, PVC pipes, etc.
There is a risk that the surface on which the product is placed may discolor due to chemical changes.
Please use within -50℃ to 70℃. Heat resistance temperature (℃): -50 to 70
Hardness: 65
Top diameter (mm): 16
Bottom diameter (mm): 13
Height (mm): 19
Material: Natural rubber
Quantity: 3 pieces
