Engineered Composite Materials | DYNASEAL

N4220 COMPOSITE MATERIAL - PRELIMINARY**

DESCRIPTION: N4220 is a blend of reinforcing materials and nitrile latex, produced by the wet process, which yields a homogeneous gasketing material. N4220 is recommended for general purpose soft gasket applications in oil, fuel and cooling systems as well as intake manifold applications.

RECOMMENDED APPLICATION:
Soft Gasket Applications
TEMPERATURE RATING - FLUID:

390° F

200° C

TEMPERATURE RATING - EXHAUST:

910° F

488° C

AVAILABLE CALIPERS (in.) & (mm)

.016" / .032" / .047" / .062"

.4mm / .8mm / 1.2mm / 1.6mm



PHYSICAL TEST ORIGINAL PROPERTIES
TYPICAL VALUES **
TEST METHOD
PHYSICAL TEST ORIGINAL PROPERTIES
TYPICAL VALUES
density lbs./ ft. cu.
80
ASTM F-104
density g/cm cu.
1.36
tensile psi
800
ASTM F-152
tensile MPa
5.5
Compression @ 5000 psi
32%
ASTM F-36
Compression @ 34.5 MPa
32%
recovery
23%
ASTM F-36
recovery
23%
Creep Relaxation
22 HOURS @ 212° F
34%
ASTM F-38
Creep Relaxation
22 HOURS @ 100° C
34%


FLUID IMMERSIONS
TYPICAL VALUES
TEST METHOD
FLUID IMMERSIONS
TYPICAL VALUES
ASTM FUEL B,
5 hours @ 73° F
 
ASTM F-146
ASTM FUEL B,
5 hours @ 23° C
 
weight increase
24%
 
weight increase
24%
thickness increase
3.2%
 
thickness increase
3.2%
ASTM Oil # 3
5 hours @ 300° F
 
ASTM F-146
ASTM Oil # 3
5 hours @ 150° C
 
thickness increase
 3.8%
 
thickness increase
 3.8%
weight increase
32%
 
weight increase
32%
COOLANT,
5 hours @ 180° F
 
ASTM F-146
COOLANT,
5 hours @ 82° C
 
weight increase
41%
 
weight increase
41%
thickness increase
7%
 
thickness increase
7%

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.

** PRELIMINARY SPECIFICATIONS MAY VARY SLIGHTLY FROM NORMAL PRODUCTION VALUES.

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