Natural rubber (NR)
Great elastic yield;
Resistance to tears;
Exceptional ultimate elongation;
Working temperature, °C -40...+70;
Hardness, ShA 70°+/-5;
Disadvantages: scarce resistant to ageing, oils and heat, acids and alkalis.
Seals, membranes, buffers, wheels, belts, etc.
Rolls: thickness 2-6 mm, whidth 1200 mm, length ~10 000 mm.