Natural rubber is an elastic hydrocarbon polymer that naturally occurs as a milky colloidal suspension, Latex are being collected from a tapped rubber tree or in the sap of some plants. It can also be synthesized. The Properties of Rubber exhibits unique physical and chemical properties. Rubber's stress-strain behavior exhibits the Mullins effect, the Payne effect and is often modeled as hyperelastic.
Padiernos Trading uses a state of the art rubber tapping, its a process by which rubber is gathered. An incision is made in the bark of a rubber tree. The fluid then drains into a vessel.
Rubber tapper must remove a thin layer of bark along a downward half spiral on the tree trunk. If done carefully and with skill, this tapping panel will yield latex for up to 5 years. Then the opposite side will be tapped allowing this side to heal over. The spiral allows the latex to run down to a collecting cup. The work is done at night so the latex will run longer before drying out.
For the rubber tappers to legally extract the latex, they must first buy land that contains rubber trees. Even on huge pieces of land there are usually very few of these trees, so the tapper must buy lots of unused trees. More.. |
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