Silicone Sponge Stoppers For Test Tube provided by STE-Mart have good air permeability, flexibility and resistance against high temperature and pressure. The stoppers can be frozen at -60°C while maintaining elasticity.
Specification
Material: Silicone sponge Color: White Top Dia.×Bottom Dia.: 16×20mm Description: Without sand core,suitable for test tube with inner diameter 19mm Package: 1 pack (10 pieces)
Features
Can be disinfected with open flame Easy to clean Dry-baked at 200°C without deformation
Related Products
Silicone Sponge Stoppers For Test Tube, With Sand Core, Top Dia.×Bottom Dia. 17×22mm, STE-Mart (CAT#: STEM-SPL-0481-LC)