Rubber stoppers Conical laboratory stoppers Milky laboratory solid rubber stoppers for test tubes Test tubes Flasks Erlenmeyer flasks bottle (Size : 3set)

Laboratory rubber stoppers are made of natural rubber materials that can seal various experimental devices. The rubber stopper has good corrosion resistance, flexibility and excellent sealing. It is an indispensable sealing tool in the laboratory.

High-quality materials:
Conical laboratory stoppers are made of natural rubber and can be used for various experimental devices. The rubber stopper is soft and resilient and can perfectly seal the experimental equipment. You can safely use it in the laboratory.

Various specifications:
The rubber stopper has 10 different sizes. Including 000 #, 00 #, 0 #, 1 #, 3 #, 4 #, 5 #, 6 #, 7 #, and 8 #. You can use these different size rubber stoppers to seal different sizes of laboratory equipment.

Applicable :
The laboratory stopper is soft and easy to use. You can drill holes or perform other s on the rubber stopper depending on the needs of the experiment. It can be perfectly applied to test tubes, Erlenmeyer flasks, flasks or other laboratory instruments.

Specification:
Material: rubber
Quantity: 22 pieces
Color: Milky
Weight: 340g

of delivery:
22/44/66/88 x rubber stoppers

If you have any questions, please feel free to contact us. We will do our best to give you the best experience.

• Durable Rubber Stopper: The rubber stopper is made of natural elastic rubber with excellent flexibility and sealing. It can be used for a long time to seal laboratory equipment containing s to prevent oxidation and deterioration of some s..
• Excellent Airtightness: The soft and flexible nature of the laboratory rubber stopper can seal the bottle well and completely isolate the air. It has a smooth surface and is not easily deformed. As a glass bottle cap, it can achieve good sealing effect..
• Easy to use: the milky white rubber stopper has a tapered design and is easy to insert and remove. If the experiment calls for it, you can punch holes with a hole punch. Then insert a glass tube to create a junction to allow the in the sealed container to be vented..
• Easy to distinguish: there are a total of 22 rubber stoppers. Each laboratory stopper has a corresponding number so that you can easily distinguish between different experimental drugs. They are perfect sealing plugs for laboratory equipment..
• Laboratory rubber stopper: The rubber stopper is suitable for test tubes, flasks and other laboratory instruments that need to be sealed. It can withstand certain corrosion and has good stability. The rubber stopper can be used in laboratory, household and industrial applications..