• Made from aluminium, and anodised aluminium for the colour models • Can be sterilised up to 140 °C • For non-hermetic closing of flasks • With three internal support clamps on the neck of the flask or tube • With or without handle on cap
• Made from polyethylene • Easy to position with one hand • For tubes with an external diameter from 12 to 16 mm • Placed on the outside of 12 and 13 mm tubes and the inside of 16 mm tubes • Protect the samples against contamination • Cannot be autoclaved
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
• Made from santoprene • Single use • Can be used with one hand • Can be pierced using a needle • The material used does not interfere with common chemical products or coagulation • Can be used at room temperature, at 4 °C or in the freezer at -20 °C • For tubes with an external diameter of 12-13 mm or 16 mm
• Lightly ductile cellulose caps • Breathable, air permeable • Single use, non-sterile • Can be sterilised by autoclaving up to 200 °C • Designed for work in microbiology and tissue culture • Can be adapted according to the dimensions of the test tubes, bacteriology tubes, Erlenmeyer, flasks and small bottles • Can be hermetically adapted by simple pressure in the neck of the container