Characteristics Of Natural Rubber

Highly resistant to ozone and weathering.

Characteristics of natural rubber.

Has good flexibility its elastic modulus of 3 6mpa. Some natural rubber sources such as gutta percha are composed of trans 1 4 polyisoprene a structural isomer that has similar properties. Natural rubber is made up of solid particles suspended in a milky white liquid called latex that drips from the bark of certain tropical and subtropical trees. Physical properties of crude natural rubber.

This latex rubber is mainly found in countries like brazil india indonesia malaysia and sri lanka. The performance characteristics of the natural rubber. Natural rubber is an elastomer and a thermoplastic. 2 natural rubber is a crystalline rubber crystals formed under external force stretching.

The plasticity can be varied within certain ranges by chemicals. Technically speaking natural rubber is an elastomer or an elastic hydrocarbon polymer. However it does not do well with petroleum oils sunlight and ozone. At low temperature rubber becomes stiff and when it frozen it attains fibrous structure.

I e if it is heated and cooled it is degraded but not destroyed. Natural rubber is an elastic substance obtained from the latex sap of trees especially those trees which belong to the genera hevea and ficus. Polyacrylate is used in applications such as transmissions or anything where there is petroleum oils and high temperature. Once the rubber is vulcanized it is a thermoset.

The physical properties of crude natural rubber are indicated below.