Chloroprene (C): Good wear resistance properties, O-zone resistant, -40° to 230°F (-40° to 110°C)
Duel Durometer Polyurethane (DDP): Soft seal with stiffer base, best on textured surfaces with high vacuum levels, good wear and oil resistance, 50° to 122°F (10° to 50°C)
Nitrile Rubber (N): Good wear resistance properties, oil resistant, -20° to 225°F (-29° to 107°C)
Polyurethane (Pu): Soft polyurethane, best on textured surfaces, good wear resistance, oil resistant, -68° to 167°F (-55° to 75°C)
Silicone (S): Soft material, especially good for rough/textured surfaces, -86° to 392°F (-65° to 200°C)
Viton (V): High resistance against compression and tension, -23° to 446°F (-30° to 230°C)