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Natural Rubber Manufacturing Process

Natural rubber manufacturing process starts with tapping latex from rubber trees (Hevea Brasiliensis).

Tapping involves cutting into the bark of the tree.

Latex flows into a cup attached to the tree.

Latex is accumulated in tanks from many trees.

Rubber is most commonly extracted from latex using a process called coagulation, which thickens the polyisoprene into a mass.

Coagulation involves adding of an acid such as formic acid.

Once water is removed from the coagulum of rubber using a series of rollers, the resulting thin sheets are then dried over wooden racks in smokehouses.

The resulting dark-brown rubber is folded into bales.

Additional coagulation steps and different drying processes are used to achieve better grade rubber.

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