Natural Rubber have high  content of natural latex.Natural Rubbers are generally resistant to moderate chemicals, wet or

 dry organic acids, alcohols, ketones and aldehydes. They are not normally suitable for ozone (unless in the case of bridge bearing qualities of BS1154,they have added anti-oxidant additives), strong acids, oils, greases and most hydrocarbons, 

This material aren't suitable for outdoor exposure, It has high elasticity and elongation