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James Walker® Gaskets & Jointings > Cork-elastomer jointings

  Cork-elastomer jointings
Nebar® Orange: Neoprene Electrical
Economical, high quality corkelastomer jointing based on a polychloroprene/nitrile/SBR blend. Previously designated Nebar N7E.

• Recommended for switchgear and transformers.
• 110°C maximum operating temperature in liquids.
• Retains flexibility down to –30°C.

Complies with ASTM F104 line call out F225000M2.
PHYSICAL PROPERTIES (Tested to ASTM F104 procedures)
Hardness, IRHD 65 to 80 (ASTM D1415)
Tensile strength, MPa min 1.45 (ASTM F152)
Compressibility @ 2.8N/mm2, % 20 to 35 (ASTM F36)
Recovery, minimum % 75 (ASTM F36)
Fluid resistance, % volume swells in:
ASTM oil 1, 72h @ 100°C –5 to +10 (ASTM F146)
IRM903, 72h @ 100°C 0 to +30 (ASTM F146)
Fuel A, 22h @ ambient +0 to +15 (ASTM F146)
BS148 Transformer Oil, 14 days @ 90°C +5 to +15 (ASTM F146)
Precision cut gaskets to any shape, size and quantity. In sheets 1.2m x 1.2m.
Thicknesses 1.5mm, 2mm, 2.5mm, 3mm, 5mm, 6mm, 9.5mm.