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Chemical Resistance of Garlock Compressed Sheet and GYLON
®
WARNING:
Properties/applications shown throughout this brochure are typical. Your specific application
should not be undertaken without independent study and evaluation for suitability. For
specific application recommendations consult Garlock. Failure to select the proper sealing
products could result in property damage and/or serious personal injury.
Performance data published in this brochure has been developed from field testing, cus-
tomer field reports and/or in-house testing.
While the utmost care has been used in compiling this brochure, we assume no respon-
sibility for errors. Specifications subject to change without notice. This edition cancels all
previous issues.
Call Gasket Applications Engineering at 1-800-448-6688 for specific recommendations.
Garlock Style Number
GYLON
®
Medium
3504
3535
IFG5500
3565
3510
3540
G-9900
2900
14
3200 2930 IFG5507
3500
3594
3591
3560
3561
3545
3530
9850
9800
ST
-706 3000 3400
3300
3700
C-38
Return Condensate
A
A
A
A
A
A
A
A
A
A
A
–
–
A
Seawater
A
A
A
B
B
A
A
A
A
A
A
A
A
A
Tap
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Whiskey and Wines 10
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Wood Alcohol
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Xceltherm 550
A
A
A
A
A
A
A
B
C
B
B
C
B
C
Xceltherm 600
A
A
A
A
A
A
A
A
C
A
A
C
B
C
Xceltherm MK1
A
A
A
A
A
A
A
C
C
C
C
C
C
C
Xceltyherm XT
A
A
A
A
A
A
A
C
C
C
C
C
C
C
Xylene
A
A
A
A
A
A
A
C
C
C
C
C
C
C
Zinc Chloride
A
A
A
B
B
A
A
A
A
A
A
A
A
A
Zinc Sulfate
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Key: A = Suitable; B = Depends on operating conditions; C = Unsuitable; – = No data or insufficient evidence
NOTES:
1. Consult the factory regarding your specific applications. See
"Monomers" in Gasketing Terms Section, page C-52.
2. IFG
®
Style 5507 is rated “B”.
3. There have been conflicting field reports concerning the suitability of
NBR and neoprene bound gaskets in 123. End users should take note.
4. IFG
®
Style 5507 is rated “A”.
5. Some chromium plating baths contain fluorides that can attack silica
and silicate type fillers in some GYLON
®
styles. If the bath is known to
contain little or no fluoride, all GYLON
®
styles should be suitable for
use.
6. These GYLON
®
styles can be expected to be suitable to 45-59% con-
centration at temperatures up to 250°F (121°C).
7. Use GYLON
®
styles 3502, 3503, 3505, 3562, 3563. These styles are
specially processed, cleaned and packaged for oxygen service.
8. This GYLON
®
contains a stainless steel insert. There is a possibility
that this might contribute traces of iron to form iron tannates, resulting
in undesirable color in the tannic acid.
9. These styles are not preferred choices for steam service, but are
successful when adequately compressed.
10. If a gasketing material that conforms to FDA requirements is desired,
contact factory for specific recommendations.
11. These GYLON
®
gasket styles can be expected to be suitable to 75%
concentration at temperatures up to 400°F (204°C).
12. Not a fire-tested material.
13. Minimum recommended assembly stress = 4,800 psi.
Preferred assembly stress = 6,000-10,000 psi.
Gasket thickness of 1/16" strongly preferred.
For saturated steam above 150 psig, consult Garlock Engineering.
14. Styles 2900 and 2950 exhibit identical chemical resistance proper-
ties.
Call Gasket Applications Engineering at 1-800-448-6688
for specific recommendations.