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Rubberbonded Fiber Jointing Sheets
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Leader NA-59

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DESCRIPTION

NA-59 is a compressed NBR/Aramid Fiber Sheet

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Product Data Sheet

APPLICATION

Recommended for general service gaskets on all machinery and process piping and equipment.

DELIVERY OPTIONS

TEMPERATURE

Max. Intermittent Temperature Rating: 350 F Max. Continuous Temperature Rating: 400 F

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TECHNICAL DATA

Standard Temperature Rating [°F] 350
Max Intermittent Temp. Rating [°F] 400
density [g/cm3] 1.75
ASTM F36 Recovery [% min] 50
Gasket required flange roughness [Ra micron] 3,2-6,3
Gasket required flange roughness [RMS] 125-250
Standard Pressure Rating [psi] 1000
compressability, [ASTM F36], [%] 7 – 17
ASTM F36 Recovery [% min] 50
ASTM F37 Sealability [ml/min] Sg=1000 psi=30 <1.0
BS 7531 Gas Leakage [ml/min] <1.0
ASTM F38 Creep Relaxation [%] 40
BS 7531 Residual Stress [mpa] 17
ASTM F152 Average Tensile [psi] 1800
Rubber Binder NBR

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