Silicone Tri-Clamp Gaskets

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Silicone Tri-Clamp/ Tri Clover Gaskets

Silicone Tri-Clamp Gaskets are intended to be used when using alcohol as an extraction solvent instead of butane or propane. Silicone has an excellent chemical resistance to alcohols and is the preferred gasket material when using Jacketed Reactors or Tri-Clamp Buchner funnels for post-processing winterization because they have very low extractable characteristics. Silicone gaskets also offer a very good temperature range and will retain their original shape even when compressed for a long duration.

***Note: Silicone is not recommended for use with butane or propane solvents.

Key Features:

  • Excellent resistance to Alcohols
    • Excellent Temperature Range
      • Excellent Rebound and Memory
        • Very Low extractable characteristics

          Sizes Available:

          • 1.5″
          • 2″
          • 3″
          • 4″
          • 6″
          • 10″ Easy On – Flanged
          • 12″ Easy On – Flanged


            Material Silicone
            Color White
            Connection Type Tri-Clamp
            Conformance USP Class VI, FDA and 3A Compliance
            Thermal Properties:
            -Low Temperature Range -58°F
            -Minimum Continous Use (Static) -40°F
            -Brittle Point -58°F
            -High Temperature Range +446°F
            -Maximum for Continous Use (Static) +446°F
            Durometer or Hardness Range 65 Shore A
            Abrasion Resistance Excellent
            Tear Resistance Excellent
            Compression Resistance Excellent

            Chemical Compatibility:

            Butane D – Poor
            Propane (liquified) D – Poor
            -Amyl D – Poor
            -Benzyl N/A
            -Butyl B – Good
            -Diacetone D – Poor
            -Ethyl B – Good
            -Hexyl B – Good
            -Isobutyl A – Excellent
            -Isopropyl A – Excellent
            -Methyl A – Excellent
            -Octyl B – Good
            -Propyl A – Excellent


            Disclaimer: Best Value Vacs Recommends no more than a -40F Operating Temperature and is not responsible for the user running their system with incompatible chemicals.

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