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.
Tapered Design
Smooth and tapered sides designed for exceptional sealing and optimal fit with a wide range of openings.
Wide Used
Suitable for temperatures -60℃to +250℃
Ideal for laboratory, household, and industrial use.
2 Sizes
Detal sizes(bottom*top*high): 25*32.7*28.6mm, 29*36.5*30.5mm. Each size 2pcs.
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