Rings

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  • Perfluoro O-Rings

    Chemglass

    One of the most thermally stable elastomeric materials available, Perfluoro is a family of perfluoroelastomer compounds designed to provide superior chemical resistance, and they offer a cost savings over similar o-rings such as Kalrez® 4079 and Chemraz®. Perfluoro o-rings are stocked in…

  • Viton® O-Rings

    Chemglass

    Viton o-ring is stocked in brown 75 durometer. They are suitable for acids, aliphatic hydrocarbons, oxidizing agents and all petroleum products. Viton has a low compression set and high temperature resistance. Viton is especially good for vacuum service and low gas permeability and has a useful…

  • Kalrez® 4079 perfluroelastomer combines the elastomeric properties of Viton with the chemical resistance of PTFE, making it the best possible o-ring material available. Kalrez® 4079 should be considered for service in high temperature, corrosive environments such as: Polar Solvents…

  • O-Rings are 70 durometer Viton.

  • O-ring for Chemglass reaction vessels and lids. Available in Viton, Silicone, Perfluoro, FEP encapsulated Silicone and FEP encapsulated S.S. spring. The S.S. spring maintains resilience even in long term exposure to cryogenic temperatures. Temperature Range: Viton: -30 to 200°C …

  • Unique elastomer gasket is co-molded with two materials: Perfluoroelastomer with an outer Silicone centering ring. The chemically resistant perfluoroelestomer section is the only portion exposed to the wetted area of the reaction. The soft pliable sealing surface provides improved sealing under…

  • Raschig Rings

    Chemglass

    Rings are made of borosilicate glass and sold in one pound packages.

  • These envelope style gaskets are machined using chemically resistant virgin PTFE and have a silicone core. The larger sealing surface results in improved sealing under full vacuum, as opposed to other o-ring materials. The machined in o-ring aids in sealing and centering of gasket on the Duran…

  • This envelope style gasket is machined using chemically resistant virgin PTFE and has a silicone core. The larger sealing surface results in improved sealing under full vacuum, as opposed to other o-ring materials. Gasket for use with 300mm Duran Flange on 30L and larger reactors.

  • Each kit contains a set of three o-rings, one for the tip and two for the barrel seal. If individual o-ring is required see CG-305 for Viton or CG-308 for Kalrez®.O-Ring Specifications:#006 Tip O-Ring#009 Shaft O-Ring

  • Split Polyamide loosening ring to enable inner and outer Rodaviss® members to be pulled apart in the event of freezing.

  • Class VI Perfluoroelastomer with 3 tabs each spaced 120 degrees apart along the outer edge to aid in gasket alignment. The chemically resistant perfluoroelestomer has a soft pliable sealing surface that provides improved sealing under full vacuum, as opposed to encapsulated o-ring materials and…

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