Delivering Fluid Sealing Solutions Since 1972

Perlast® G77X

Perlast® G77X – The Latest Generation of FFKM

Perlast® G77X is one of the Perlast® Super-Six range of outstanding FFKM compounds. It has been specially formulated to have high-temperature resistance, making it perfect for sealing components in the Chemical Processing, Aerospace, Mechanical, and CPV industries.

Perlast® G77X stands out as a leader in high-temperature performance. It boasts an exceptional long-term durability even in temperatures reaching up to 350°C. Its continuous temperature performance is remarkable, surpassing many competitors, as demonstrated by compression set testing at 330°C for 24 and 72 hours.

The below diagram is a visual representation of the Perlast® G77X material:

Perlast G77X Spider Diagram

Key Features:

  • Class-leading high-temperature capability  (up to 350ºC).
  • Exceptionally low compression set over extended periods.
  • Aerospace tested to AMS 7257 REV E (QPL listing pending).
  • Long-term durability and reliability.
  • Extend service/maintenance intervals.
  • Lower cost of ownership.

We also offer a comprehensive range of other quality High-Temperature Seals.

If you would like more information about the Perlast® range contact a member of the team.

M Barnwell Services is one of the UK’s largest independent manufacturers, stockists, and distributors of Oil and Gas fluid sealing products. We also have a full range of specific Oil and Gas FFKM (Perfluoroelastomer) O Rings, Lip Energised SealsSpring SealsV-Packings and Chevron Stacks, and T Seals.

Sizes

Customised to meet your specifications.

Material

Perlast® G77X - FFKM

Specifications

Hardness: 77 Sh. A
Tensile Strength: 18.0 MPa
Elongation at Break: 170%
100% Modulus: 9.1 MPa
Comp. set 70h @ 200°C: 8%
Minimum Operating Temp: -15°C
Max. Short Term Temp.: +350°C