Description of Test Tube Stopper
The test tube stopper is made of high-quality plastic material and is mainly used in conjunction with hard transparent test tubes. The common ones are airfoil and cylindrical tube stoppers.
Product Features
1. Made of high-quality polypropylene and polyethylene materials, resistant to high temperature and high pressure, and chemical corrosion.
2. A variety of colors to choose from.
3. Good elasticity and durability.
4. Good sealing, safe and reliable.
