Solid Silicone Material
These stoppers are made of Silicone, non-toxic, food grade, eco-friendly.
Good Seal Equipment
Rubber plug is in chemical experiments used to seal equipment, mainly used in pharmaceutical, chemical, mechanical, and scientific research industry stopper or plug.
Smooth and tapered sides designed for exceptional sealing and optimal fit with a wide range of openings.
Suitable for temperatures -60℃to +250℃
Ideal for laboratory, household, and industrial use.
Detal sizes(bottom*top*high): 25*32.7*28.6mm, 29*36.5*30.5mm. Each size 2pcs.
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