10 Pcs Wine Bottle Stopper Rubber Waterproof Stoppers

Description

This test tube rubber plug is used to seal equipment in chemical experiments, such as pharmaceutical, chemical, mechanical, and scientific research industry. Perfect for demanding sealing applications, industrial, labs uses. Also used for heavy-duty equipment isolation applications.

Features

- Color: White.
- Material: Rubber.
- Size: 3.50X3.50X3.00cm/1.38X1.38X1.18inch.
- The rubber plug is made of premium material rubber, good sealing, which has a long service life.
- Selected rubber material heat-resistant, acid and alkali resistance and waterproof.
- Simple in structure, very easy to use. The sealing plug can greatly meet your scientific research use.
- Great for most kinds of scientific laboratory utensils, such as test tube, flask, or other laboratory applications.
- Suitable for scientific research laboratory use, especially for use with non-aggressive or concentrated solutions.