These silicone stoppers can be used with flasks, test tubes, and more. The silicone material is inert and nonreactive and will not impair the growth of tissue cultures, making it an excellent choice for laboratory work.
- Silicone
- Resistant to most chemical acids & solvents
- Can be steam-sterilized at 15 lbs. pressure
- Dimensions: 20mm Top Dia. x 16mm Bottom Dia
- Durometer hardness (Shore A): ~50
- Working temperature range: -62°C to 232°C (-80°F to 450°F)
- Sold in full packages only