EnDura A90H

A90H is a high performance, explosive decompression resistant, elastomer formulated using Aflas® FA-100H for the demanding sealing applications experienced in the oil and gas exploration and extraction industry.

A90H exhibits similar thermal stability to fluoroelastomer (FKM) grades but offers a different chemical resistance profile.

A90H provides particularly high resistance to acids, amines, steam, brine, sour oil and gas (H2S).

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Producttype

O-rings

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Temperature range

0°C to 250°C (32°F to 482°F)

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Key Attributes

  • Excellent resistance to Explosive Decompression
  • Tested to NORSOK M710 ED standard
  • Tested to ISO 23936-2 ED standard
  • Tested to NACE TM0297 ED standard
  • Tested to TOTAL GS PVV142 ED specification
  • Resistant to high pressure CO2 gas
  • Ideal for prolonged exposure to steam
  • Short-term high temperature capability up to 290°C (554°F)
  • Excellent resistance to fluids with high H2S concentration

Material Properties

Color
Black
Hardness: (°IRHD)
93
Tensile Strength (MPa)
19
Elongation at break (%)
130
Modulus @ 50% (MPa)
13.5
Modulus @ 100% (MPa)
17.5
Compression Set: 24 hrs @ 200°C (392°F)
32 %
72 hrs @ 200°C (392°F) Hardness change (°IRHD)
Tensile strength change (%)
+3
Elongation at break change (%)
-15
Minimum Operating Temperature
0°C (+32°F)
Maximum Operating Temperature
+250°C (+482°F)

Typical Applications

  • High temperature pumps
  • Safety valves
  • Logging equipment
  • Completion and production equipment

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