Trelleborg offers alternative products to the core products in resilients and press-on solids. These products range from industrial pneumatics to polyurethane tires and other special products. 1.Industrial Pneumatics T-900 T-800 SK-900 SK-800 2.Polyurethane (Mono-Thane) Crown Smooth Grooved Smooth 3.Press-on Tyres Press-On Tyres