C-STOCK: AK-S

Flexible, low loss, adusted dielectric constant material

PPG C-STOCK® AK-S is a series of flexible, low loss, silicone based dielectric materials with adjusted dielectric constant value ranging from K=1.75 to K=27.

PPG C-STOCK AK-S is very flexible allowing the material to easily
conform to most geometries.

PPG C-STOCK AK-S is available in standard sheet size measuring 12 in.  x 12 in. and thickness ranging from 0.025 in. to 0.140 in. Dielectric constants available from K=1.75 to K=27.

PPG C-STOCK AK-S can be supplied with pressure sensitive adhesive (PSA). Product designation for material supplied with PSA where K=3 is PPG C-STOCK AK-S-3/PSA.

Without PSA is PPG C-STOCK AK-S-3.


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Accordion collapsed
Service temperature
  • 300°F
Shelf life
  • 5 yrs. Minimum Or 1 yr. if supplied with adhesive backing