Tires
Tread stock, cushion gum and inner liner.
Hose, belting and rollers
Abrasion and flex fatigue over long service life.
Seals, gaskets and O-rings
Oil, heat and compression set, in that order of difficulty.
Footwear and sports equipment
Grip, rebound and tens of thousands of flex cycles.
Automotive and transportation
Sealing, damping and under-hood heat.
Building and construction
Ozone, UV and thirty years outdoors.
Electrical and electronics
Insulation, flame spread and cable flexibility.
Medical and healthcare
Peroxide cures, traceable lots, documented compliance.
Food packaging and containers
Closure liners, cap gaskets and seal integrity.
Agriculture
Wet, abrasive and running unattended.