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Durlon 8900 CNA Sheet Gaskets

Brand: Durlon® Sealing Solutions

A premium grade material for service conditions to 496°C / 925°F and continuous operating temperatures of -73°C to 400°C / -100°F to 752°F.

Durlon® 8900 is ideal for saturated and superheated steam, oil, dilute acids and alkalis, hydrocarbons and solvents.

Specifications

Gasket Factors

  • 1/16”
  • 1/8”

Gasket Factors (m)

  • 4.8
  • 7.3

Gasket Factors (Y psi (MPa))

  • 4,851 psi / 33.4 MPa
  • 3,730 psi / 25.7 MPa

Gasket Factors (Gb)

  • 915 psi 6.3 MPa
  • 567 psi / 3.9 MPa

Gasket Factors (a)

  • 0.428
  • 0.556

Gasket Factors (Gs)

  • 0.02 psi / 0.0001 MPa
  • 0.26 psi / 0.002 MPa

Certifications

  • RoHS Reach Declaration Compliant
  • ANSI/API 607 Fire Test: 6th Ed., Zero leakage

Color

  • Black

Fiber System

  • Aramid/Inorganic

Binder

  • NBR

Minimum Temperature

  • -73° C / -100° F

Maximum Temperature

  • 496° C / 925° F

Continuous, Maximum Temperature

  • 400° C / 752° F

Maximum Pressure

  • 103 bar / 1,500 psi

Density

  • 1.7 g/cc - 106 lbs/ft³

Compressibility

  • 8-16 %

Recovery

  • 45%

Creep Relaxation

  • 20%

Tensile Strength

  • 10.3 MPa / 1,500 psi

Nitrogen Sealability, ASTM 2378

  • 0.05 cc/min

Fluid Resistance, ASTM F146 IRM 903 Oil 5 hours at 300° F Thickness Increase

  • 10-15 %

Fluid Resistance, ASTM F146 IRM 903 Oil 5 hours at 300° F Weight Increase

  • 20%

ASTM Fuel B 5 Hours at 70° F Thickness Increase

  • 5-20 %

ASTM Fuel B 5 Hours at 70° F Weight Increase

  • 20%

Flexibility, ASTM F147

  • 8x

Volume Resistivity, ASTM D257

  • 4.2 ohm x 10*13 cm

Dielectric Breakdown ASTM D14

  • 11.7 kV/mm - 297 V/mil

Stress Relaxation, DIN 52913 at 7,252psi / 50 MPa 16 hr at 347° F / 175° C

  • 6,500 (44.8) Min.

Stress Relaxation, DIN 52913 at 7,252psi / 50 MPa 16 hr at 347° F / 175° C 16 hr at 572° F / 300° C

  • 6,000 (41.4) Min.

  • Chemical Processing
  • Food & Beverage
  • Mining
  • Water & Wastewater
  • General Industry
  • OEM Services
  • Petrochemical
  • Refining
  • Oil & Gas

Documentation

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