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INERTEX® SQ-S ISOTROPIC Gasket Sheet

Our 100% virgin expanded PTFE sheet is one of the tightest sealing PTFE sheet materials in the world. Conformability, combined with equal tensile strength in all directions (Isotropic), virtually eliminates creep and cold flow and provides for a predictable sealing solution. Seals many flange imperfections while maintaining a crush strength over 40,000psi. Easy to cut and doesn’t deteriorate over time.
SQ-S Isotropic Gasket Sheet Flyer

Product Description

 

 

TECHNICAL INFORMATION:

TEMPERATURE RANGE:
-450°F (-268°C) to +600°F (+315°C)

PRESSURE RANGE:
Full Vacuum to 3000 psi (20.7MPa/207 Bar)

CHEMICAL COMPATIBILITY:
100% expanded virgin PTFE
0 – 14 pH

OXYGEN INDEX:
94.5%

FDA COMPLIANT:
Meets FDA 21CFR177.1550
USP Class VI (unbranded)

NSF CERTIFIED (Unbranded)

LOW CREEP AND COLD FLOW

NON-TOXIC, SILICONE-FREE

NON-CONTAMINATING

NON-PARTICULATING

NON-AGING IN SERVICE

OFFERS GREAT ADVANTAGES OVER OTHER ePTFE GASKET SHEET

SQ-S Isotropic Gasket Sheet is manufactured from 100% expanded virgin PTFE by our proprietary Isotropic expansion process. Isotropic expansion provides a highly fibrillated microstructure with nearly equal tensile strength in every direction.  This unique structure maximizes performance predictability and stability while minimizing creep and cold flow.  According to the testing by Ecole Polytechnique Tightness Testing Research Laboratory (TTRL), Inertex SQ-S is one of the tightest sealing gasket materials in the world.

Suitable for a wide range of pressure and temperature, its chemical compatibility is unsurpassed. It has an unlimited shelf life and will not oxidize or deteriorate like filled PTFE or elastomeric products. Its softness is capable of sealing unfinished surfaces. It allows successful sealing at low values of torque and can be fitted to virtually any shape for easy installation.

You can depend on these high performance features:
  • Wide pressure and temperature range
  • Unsurpassed chemical compatibility
  • Excellent creep and cold flow resistance
  • Will not harden or deteriorate with age
  • Low coefficient of friction allows easy removal
  • Easily conforms to damaged or pitted flanges
  • Low compressive load to seal
  • Largest ePTFE sheet (80”x80”) in the industry
  • Can withstand compressive loads up to 40,000 psi gasket stress
  • Standard and custom fabricated gaskets available from our production center
  • Professional engineering support

SQ-S ISOTROPIC GASKET SHEET SIZE

THICKNESS 60″ X 60″ 77″ X 77″ 80″ X 80″
0.5 MM X
1 MM X X
1.5 MM (1/16″) X X
2 MM X X
3 MM (1/8″) X X X
4 MM X
5 MM (3/16″) X
6 MM (1/4″) X
9 MM (3/8″) X

Inertex SQ-S Gasket Sheet is produced with a density (specific gravity) of 0.85 (+ or – 0.1) but is also available in certain sheet sizes in both 0.65 (+ or – 0.1) density “Lite Sheet” and 1.20 (+ or – 0.1) density “V-Rigid” for specific applications.

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