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Nebar White

Supplier: James Walker

Premium quality cork-elastomer jointing, based predominantly on polychoroprene.

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Well proven over many years in heavy electrical plant.

Previously designated Nebar® N6/25. 

Prime features

  • Top grade product for switchgear and transformers.
  • Developed for prolonged contact with mineral oils.
  • +105°C maximum operating temperature in liquids.
  • Retains flexibility down to -35°C.

Specifications
Complies with ASTM F104 line call out F225000M2.

Fluid compatibilities
Suitable for use with air, water, alcohols, fuel and diesel oils, mineral lubricating oils, mineral hydraulic fluids, water/glycol, ASTM Oil No 1, IRM903 oil, ASTM uel A, BS148 oil. 

 Physical properties
(Tested to ASTM F104 procedures)
Hardness, IRHD :  65 to 85  (ASTM D1415)
Tensile strength, MPa minimum :  1.75   (ASTM F152B)
Compressibility @ 2.8N/mm², % :  20 to 30  (ASTM F36B)
Recovery, minimum % :  80  (ASTM F36B)
Fluid resistance, % volume swell in:
    ASTM Oil No 1, 72h @ 100°C  :  -5 to +10  (ASTM F146)
    IRM903l, 72h @ 100°C  :  +5 to +30  (ASTM F146)
    ASTM Fuel A, 22h @ ambient :  0 to +15  (ASTM F146)
    BS148 Transformer Oil, 14 days @ 90°C :  +10  (ASTM F146)

How supplied
Precision cut gaskets to any shape, size and quantity. In sheets 1.2m x 1.2m. Thicknesses 0.75mm, 1.5mm, 2mm, 3mm, 4mm, 5mm, 6mm, 6.4mm, 8mm, 9.5mm.

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