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DESCRIPTION: N3620 is a blend of reinforcing materials with aramid
fiber and nitrile latex, produced by the wet process. N3620 offers
excellent torque retention, resistance to crush extrusion and sealability.
N3620 is recommended for use in solid core head gasket applications.
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RECOMMENDED APPLICATION:
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High Temp. Soft Gasket Applications, Solid
Core / Perforated Core Cyl. Head Gaskets
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Termperature Rating:
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570° F
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300° C
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AVAILABLE CALIPERS (in.) & (mm)
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.020" / .022" / .032"
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.5mm / .55mm / .8mm
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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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81
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ASTM F-104
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density g/cm cu.
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>1.30
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tensile psi
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951
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ASTM F-152
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tensile MPa
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6.6
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Compression @ 5000 psi
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23%
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ASTM F-36
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Compression @ 34.5 MPa
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23%
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recovery
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39%
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ASTM F-36
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recovery
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39%
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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 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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weight increase
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32%
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weight increase
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32%
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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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COOLANT,
5 hours @ 180° F
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ASTM F-146
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COOLANT,
5 hours @ 82° C
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weight increase
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46%
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weight increase
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46%
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thickness increase
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7.2%
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thickness increase
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7.2%
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sealability
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ASTM F-37
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sealability
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ASTM fuel a,
500 psi 30 in HG, ml/hr
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8
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ASTM fuel a,
3.5 MPa 762mm Hg, ml/hr.
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8
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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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