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Characteristics of grey blue rubber cap: • Natural rubber caps for closing tubes and flasks • Tronconical shape • Can be used from -35 °C to +70 °C
Characteristics of Versilic silicone cap: • Biologically neutral and non-toxic silicone caps for closing tubes and flasks • Tronconical shape • Particularly suited for cell culture work • Can be used from -60 °C to +200 °C