Stoppers - Solid - Silicone (Pack Qty Only)

Inert, nonreactive silicone stoppers are particularly useful when working with culture tubes or laboratory flasks. Will not impair the growth of tissue cultures. Stoppers can be steam sterilized at 15lbs. pressure. Resistant to most chemical acids and solvents. Broad working temperature range of -62 to 232 degree celcius (-80 to 450 degree fahrenheit).