Stoppers

Cap from PP, membrane made of PTFE with 0.2 µm pore size. Ideal for autoclaving processes because the membrane permits pressure equalisation and tight sealing, reducing the risk of contamination. Temperature resistant up to 140°C. Typical applications: storage or transport of gas generating media, autoclaving of media....

With seal from TPE....

PP Cap (Pilferproof) 28 neck finish, with approx. 19.4mm inner mouth....

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Made of ethylene propylene diene monomer rubber....

Autoclavable to 140 °C (steam)....

Hexagon stoppers for NS connections....

Manufactured from borosilicate glass 3.3 which is resistant to heat and almost all chemicals. They meet the highest quality standards according to DIN 12252. Lower closed end of stopper features a "drip-tip" to ensure adhered liquid is returned to the flask. Hexagonal flat head prevents the stopper from rolling and allows stopper to be stood on end preventing contamination of the ground surface....

• Made from high quality polyethylene
• Ribbed plugs with 2 sealing ribs for very tight sealing
• Easy handling with a high, ribbed grip
• Easy to open by tilting ("one-hand operation")

Fits standard conical joints....