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Metal Reinforced Gasketing
KLINGERSIL® C-4509
• Carbon Fiber
• Nitrile Binder
• Good in High Load Applications
• Vibration
• Galvanized Low Carbon Steel Insert
Typical values refer to 1/16" material 
unless otherwise specified. 
See graphs for temperature & pressure limits
Creep Relaxation
 ASTM F38B (1/32")
20%
Compressibility
 ASTM F36J
12%
Recovery
 ASTM F36J 
70% minimum
Klinger Hot Compression Test
Thickness Decrease 73°F (23°C) 
9% initial
Thickness Decrease 572°F (300°C)
7% additional
Weight Increase
ASTM F146 after immersion in Fuel B
5h/73°F (23°C) 
10% maximum
Thickness Increase
ASTM F146 after immersion in 
ASTM Oil 1, 5h/300°F (149°C) 
0-5%
ASTM Oil IRM903, 5h/300°F (149°C)
0-3%
ASTM Fuel A, 5h/73°F (23°C)
0-5%
ASTM Fuel B, 5h/73°F (23°C) 
0-5%
Dielectric Strength
ASTM D149-95a
n/a
ASTM F104 Line Call Out
F712112B3E11M8
Leachable Chloride Content
FSA Method (Typical)
n/a
Density
 ASTM F1315
125 lb/ft 3 (2.0 g/cc)
Color
(Top/Bottom)
Black
Pressure & Temperature Graphs
(Click here to learn more about graphs)
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