Physical/Mech Properties

GRI® has local fabricating distribution partners assuring that our end user customers receive the very best value in the fluid sealing industry on time every time.

ASTM F104, the Standard Classification System for Nonmetallic Gasket Materials, includes a line call-out encompassing ASTM test methods for evaluating the physical and mechanical properties of nonmetallic gasket materials.

Some of these ASTM tests are:

  • F 36 – Compressibility and Recovery
  • F 37 – Sealability
  • F 38 – Creep-relaxation
  • F 146 – Fluid Resistance
  • F1574 – Compressive Strength

In addition to ASTM tests, we also do testing to BSI (British Standards), DIN (German Institute for Standardization) and FSA (Fluid Sealing Association) standards. These tests include:

  • BSI – F125A – Hot Compression
  • DIN – 3535 – Gas Permeability
  • FSA – NMG-204 – High Pressure Saturated Steam Test

These tests are outlined in the test methods section.