Seals, Gaskets

The LABSOLUTE® conical gaskets made of grey natural rubber are the ideal seal between a filter flask and a Buchner funnel. The gaskets are available indiviually in eight different sizes with a bottom diameter between 12 - 66 mm or in a useful set.

The LABSOLUTE® conical gaskets made of grey natural rubber are the ideal seal between a filter flask and a Buchner funnel. The gaskets are available indiviually in eight different sizes with a bottom diameter between 12 - 66 mm or in a useful set.

The set consists of one gasket each with the following bottom diameters: 12, 17, 21, 27.5, 33, 48, 58 and 66 mm.

For GL-screwthread caps. Overall diameter and wad thickness as outlined below. Thermical resistance: 130°C (steam) / 200°C (heat). Autoclavable.

Silicone gasket (VMQ), PTFE coated. For screw caps made from PBT.

• Autoclavable
• Thermal resistance: max. 130°C (steam), 200°C (heat)

• With vulcanized PTFE sleeve
• For screwthread caps
• Thermical resistance: 130°C (steam), 200°C (heat)
• Autoclavable

For attaching flexible vacuum tubing to filter flasks. Consists of straight PP tubing connection, PP tubulature made of silicone (VMQ) rubber seal. PP components can withstand temperatures up to 140°C for short periods without mechanical load.

For use in dismountable filter holders.

The GLS 80^® quick release thread allows opening and closing of bottles with three-quarters of a turn. This closure contains dyestuffs. There is a lower risk of contamination due to the double-sided PTFE-coated silicone seal. The medium only comes in contact with PTFE. The matching pouring ring made of PTFE allows clean, drip-free working. Please order separately.

• Good mechanical stability
• High chemical resistance
• Autoclavable / suitable for hot-air sterilisation
• Tmax: 180°C

For fiiling gaps in water or air supply piping in cleanrooms

• Operating temperature limit: -100 °C ... 250 °C
• 1 g/m²

PC. Completely autoclavable. Used to carry tubes and containers under safe conditions. With silicone gasket and 4 sidelocks. Provided with a stainless steel handle and user sheet with instructions approved by WHO. With bio-hazard symbol printed on the box.

Conical rubber seals made of ethylene-propylene-diene rubber, for filtering flasks. Autoclavable.

Clear glass, with screw thread.

For screw caps with bore, with bonded PTFE face.

High quality ferrules made of 15% Graphite / 85% Vespel^®. Cat. No. 7.673 271 made of 100% Graphite.