Specialty materials offer properties or combinations of properties not available in any other class of materials. With extreme high temperature and low temperature resistance, extreme chemical resistance and stability over a wide range of operating conditions these materials perform where no others can.
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Specialty Elastomers
Silicone Flourosilicone ThiokolŽ VitonŽ
ASTM D - 2000 Designation FC, FE, GE FK BK HK
Max. Tensile 1700 1500 1200 2000
Max. Elongation 700 300 300 300
Compression Set Resistance Very Good Good Poor Good
Resiliance Good Excellent Fair Fair
Tear/Chip Resistance Poor Poor Poor Good
Abrasion Resistance Fair to Poor Poor Poor Good
Service temp. (°F) -150 to 600 -80 to 300 -65 to 160 -10 to 600
"Rooftop" Aging Excellent Excellent Good Excellent
Ozone Resistance Excellent Excellent Excellent Excellent
Oxidaton Resistance Excellent Excellent Good Excellent
Solvent Resistance
 Aliphatic HC Poor Excellent Excellent Excellent
Aromatic HC Poor Excellent Excellent Excellent
Oxygenated HC Poor Poor Fair Poor
Lacquer Solvents Poor Poor Good Poor
Acid Resistance Dilute Very Good Very Good Good Excellent
Concentrated Fair Fair Fair Good
Gasoline/Oil Resistance Poor Excellent Excellent Excellent
Animal/Veg. Oil Resistance Fair Excellent Poor Excellent
Adhesion to Metals Very Good Good Poor Good
Fabrics Very Good Good Fair Good
Noteworthy:
• Heat Resistance
• Excellent release characteristics "no-stick"
• Does not have heat resistance of silicone
 • Superior Oil resistance • Heat, Oil & Solvent Resistnace

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