Scientific Machine (SciMac) is your source for High-Quality PTFE laboratory products

Flange Gaskets

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  • 401 - Ribbed PTFE Gaskets, for Reaction Flasks

    SciMac 401 Gaskets are made from Virgin PTFE® that is pressed to create a corrugated surface providing an excellent seal. Use of a clamp for total pressure on the gasket helps to create a vacuumed tight seal. Gaskets made of PTFE are resistant to chemical corrosion. The can also withstand high temperature environments. The temperatures range is -260C to 315C (-450F to 600F). Custom sizes available, call customer service with your exact specifications for pricing and availability.

    Starting at: $47.00

  • 402 - Smooth PTFE Gasket for Reaction Flasks

    SciMac 401 Gaskets are made from Virgin PTFE® that is pressed to create a corrugated surface providing an excellent seal. Use of a clamp for total pressure on the gasket helps to create a vacuumed tight seal. Gaskets made of PTFE are resistant to chemical corrosion. The can also withstand high temperature environments. The temperatures range is -260C to 315C (-450F to 600F). Custom sizes available, call customer service with your exact specifications for pricing and availability.

    Starting at: $47.00

  • 403 - Expanded PTFE Gasket Material

    Expanded PTFE gasket sheeting material is 100% Virgin expanded PTFE. Available in thickness size .030” & .090”. Soft and pliable, making it an ideal material for gaskets and difficult sealing applications. This material can be customized to fit your vessel simply by use of scissors. It has a full pH range of 0 to 14 (except for fluorine and molten alkali metals), and is fully compatible with petroleum products. The temperature range is -450°F to 600°F, allowing use in a wide variety of environments. All products are cut to size by your specifications.

    Starting at: $20.35

  • 404 - Expanded PTFE Gasket tape

    Expanded PTFE Joint Sealant Tape is 100% Virgin expanded PTFE. Available in sizes: 1/8”, 3/16”, ¼”, 3/8”, ½”, 5/8”, ¾”, and 1”. It is extremely soft and pliable, making it an ideal material for gaskets and difficult sealing applications. Expanded PTFE Joint Sealant has compression ability in the 61-79% range (ASTM F-36) when pressure is applied with a creep factor of 40-45% as measured using ASTM standard F-38. It has a full range of 0 to 14 (except for fluorine and molten alkali metals), and is fully compatible with petroleum products. The temperature range is -450 to 600°F, allowing use in a wide variety of environments.

    Starting at: $46.87

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