The original natural material which has been in commercial use since the turn of the last century. A widely developed rubber with a large range of low cost compounds.
|High resillience||Lack of resistance to oil and organic fluids||450°C|
|Wide range of hardnesses||Poor resistance to ozone, weather and oxidation - tendency to perish in open air||260°C|
|Good compression set||Low working maximum temperature||1000°C|
|Very strong - tear and abrasion resistant||800°C|