17:I[298797,["/_next/static/chunks/e974840049758347.js","/_next/static/chunks/c7c487b224778b91.js","/_next/static/chunks/ebaa98ad796c7722.js","/_next/static/chunks/8b6c32b87fd09982.js","/_next/static/chunks/b72b80b6a6f9da8b.js","/_next/static/chunks/8b630cfd6bc3dd29.js","/_next/static/chunks/e9e4a3f700cdc35c.js","/_next/static/chunks/eced1325754a4869.js","/_next/static/chunks/06f5cf8bda654290.js","/_next/static/chunks/6397ad6211b18c42.js","/_next/static/chunks/baf6a10d9122d6f4.js","/_next/static/chunks/f1a4fd536d395ecb.js","/_next/static/chunks/bf4c5f65f883d036.js","/_next/static/chunks/415aa9d3bcd64879.js","/_next/static/chunks/8b95b6f049417445.js","/_next/static/chunks/62392dcac18bf84f.js"],"default"] 18:T4d4,Parker's hydrogenated nitrile KB163-90 (HNBR) a hydrogenation of nitrile rubber (NBR), has superior mechanical characteristics, particularly high strength, resulting in increased strength and durability. Shore A diamterr of 90 and black in color, .

• Heat resistance - Up to 149°C (300°F) with excursions up to 163°C (325°F)
• Cold flexibility - Down to approximately -32°C (-25°F)

Certifications include:
• ISO 23936 for Rapid Gas Decompression
• NACE statndard TM0192-2003 for Rapid Gas Decompression
• NORSOK M-710 for Rapid Gas Decompression
• ISO23936-2 for 10% H2S

Chemical resistance
• Aliphatic hydrocarbons
• Vegetable and animal fats and oils
• HFA, HFB and HFC hydraulic fluids
• Dilute acids, bases and salt solutions at moderate temperatures
• Water at 100°C (212°F)
• Methanol
• Ozone, aging and weathering

Not Compatible with:
• Chlorinated hydrocarbons
• Polar solvents (keytones, esters and ethers)
• Strong acids

*Custom sizes and coatings/markings are available upon request. Contact Parker O-Ring Division at 859-269-2351 for design and pricing assistance.19:T1087,

Hydrogenated Nitrile 90 Durometer O-Ring (KB163-90)