Comparison Properties Chart

This chart matches the general rubber properties required in most O-ring applications with the capabilities of commonly used elastomers. Since no one elastomer is rated “excellent” for all properties, compromises are sometimes necessary when selecting an elastomer for a specific O-ring application. Start with the most critical properties to narrow your choices.

E = excellent   (1) = Property   (6) = Fluoro carbon
G = good (2) = Nitrite (7) = Fluorosilicone
F = fair (3) = SBR (8) = Polyacrylate
P = poor (4) = Neoprene (9) = Polyurethane
  (5) = Ethylene Propolene (10) = Silicone

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

Ozone Resistance P P GE E E E E E E
Weather Resistance F F E E E E E E E
Heat Resistance G FG G E E E E F E
Chemical Resistance FG FG FG E E E P F GE
Oil Resistance E P FG P E G E G PG
Impermeability G F G G G P E G P
Cold Resistance G G FG GE FP GE P G E
Tear Resistance FG FG FG GE F P FG GE P
Abrasion Resistance G G G GE G P G E P
Set Resistance GE G F GE GE GE F F GE
Dynamic Properties GE G F GE GE P F E P
Acid Resistance F F FG G E FG P P FG
Tensile Strength GE GE G GE GE F F E P
Electrical Properties F G F G F E F FG E
Water/Steam FG FG F E FG F P P F
Flame Resistance P P G P E G P P F
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