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James Walker® Gaskets & Jointings > Cork-elastomer jointings



  Cork-elastomer jointings
Nebar® Blue: Unleaded Services
 
DESCRIPTION
Premium quality nitrile based corkelastomer jointing, especially recommended for use with unleaded fuels. Previously designated Nebar® PR.

PRIME FEATURES
• Exceptional resistance to a wide range of fuels, oils and solvents.
• Suitable for many fluid sealing applications in the automotive, engineering and electrical industries.
• Originally developed for use with Askarel transformer fluids.
• 115°C maximum operating temperature in liquids.
• Retains flexibility down to –5°C.
 
SPECIFICATIONS
Complies with ASTM P2245A; and ASTM F104 line call out F226000M1.
 
PHYSICAL PROPERTIES
(Tested to ASTM F104 procedures)
Hardness, IRHD 60 to 70 (ASTM D1415)
Tensile strength, MPa min 1.45 (ASTM F152)
Compressibility @ 2.8N/mm2, % 25 to 40 (ASTM F36)
Recovery, minimum % 75 (ASTM F36)
 
Fluid resistance, % volume swells in:
IRM903, 72h @ 100°C –5 to +15 (ASTM F146)
Fuel A, 22h @ ambient –2 to +10 (ASTM F146)
BS148 Transformer Oil, 14 days @ 90°C +0.8 (ASTM F146)
Unleaded petrol, 8 months @ 18-22°C +11 (ASTM F146)
 
HOW SUPPLIED
Precision cut gaskets to any shape, size and quantity. In sheets 1.2m x 1.0m for 2mm thickness. Sheets 1.2m x 1.2m for thicknesses 3mm, 8mm.