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DESCRIPTION: N7280 is a blend of reinforcing materials and nitrile
latex, produced by the wet process, which yields a homogeneous gasketing
material. N7280 is recommended for general purpose soft gasket applications
in oil, fuel and cooling systems as well as intake manifold applications.
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RECOMMENDED APPLICATION:
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Soft Gasket Applications
(intake manifold oil, fuel, coolant)
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TEMPERATURE RATING:
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390° F
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200° C
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AVAILABLE CALIPERS (in.) & (mm)
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.016" / .032" / .047" / .062"
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.4mm / .8mm / 1.2mm / 1.6mm
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PHYSICAL TEST ORIGINAL PROPERTIES
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TYPICAL VALUES **
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TEST METHOD
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PHYSICAL TEST ORIGINAL PROPERTIES
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TYPICAL VALUES
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density lbs./ ft. cu.
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80
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ASTM F-104
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density g/cm cu.
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1.3
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tensile psi
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1700
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ASTM F-152
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tensile MPa
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11.7
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Compression @ 5000 psi
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22%
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ASTM F-36
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Compression @ 34.5 MPa
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22%
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recovery
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55%
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ASTM F-36
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recovery
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55%
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creep relaxation
@ 212° F / 3000 psi
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34%
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ASTM F-38
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creep relaxation
@ 100° C / 20.7 MPa
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34%
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FLUID IMMERSIONS
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TYPICAL VALUES
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TEST METHOD
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FLUID IMMERSIONS
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TYPICAL VALUES
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ASTM FUEL B,
5 hours @ 73° F
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ASTM F-146
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ASTM FUEL B,
5 hours @ 23° C
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weight increase
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20%
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weight increase
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20%
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thickness increase
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5%
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thickness increase
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5%
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ASTM oil # 3
5 hours @ 300° F
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ASTM F-146
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ASTM oil # 3
5 hours @ 150° C
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compressibility @ 5000 psi
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22%
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compressibility @ 34.5 MPa
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22%
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thickness increase
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3%
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thickness increase
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3%
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weight increase
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22%
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weight increase
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22%
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tensile loss
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5%
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tensile loss
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5%
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sealability
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ASTM F-37
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sealability
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ASTM Fuel a,
1000 psi 30 in HG, ml/hr
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5
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ASTM Fuel a,
6.9 MPa 762mm Hg, ml/hr.
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5
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The performance data contained herein are based on laboratory tests
and represent typical values. This technical data sheet is not intended
to be used as a purchase specification. The information contained
in this document is proprietary and may NOT be reproduced in any
form without the written permission of HOLLINGSWORTH & VOSE
Company.
** NOTE: Typical Values are based upon .032" (.8mm) caliper
material.
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