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DESCRIPTION: N3680 is a blend of reinforcing materials and binders,
produced by the wet process, which yields a homogeneous gasketing
material. N3680 is recommended for use in oil and fuel applications
requiring good sealing characteristics at low flange loads.
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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" / .020" / .032" /.047"
/ .062"
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.4mm / .6mm / .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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855
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ASTM F-152
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tensile MPa
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5.9
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Compression @ 5000 psi
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20%
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ASTM F-36
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Compression @ 34.5 MPa
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20%
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recovery
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40%
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ASTM F-36
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recovery
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40%
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Creep relaxation
@ 212° F / 3000 psi
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28%
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ASTM F-38
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Creep relaxation
@ 100° C / 20.7 MPa
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28%
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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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thickness increase
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25%
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thickness increase
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25%
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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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thickness increase
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27%
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thickness increase
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27%
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ASTM Oil # 1,
5 hours @ 300° F
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ASTM F-146
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ASTM Oil # 1,
5 hours @ 150° C
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thickness increase
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10%
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thickness increase
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10%
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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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1
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ASTM Fuel a,
6.9 MPa 762mm Hg, ml/hr.
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1
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Nitrogen Seal,
1000 psi / 60psi cc / min
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24
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Nitrogen Seal,
6.9Mpa / 0.4MPa cc / min
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24
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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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