Now day economics are have changes both economy, politics specially Para rubber are decrease and price of oil are increase. The problem with Para rubber price slump. Price rubber price falling down because have adjust it down follow the price of oil cause from USA have a problem economy are dull, so the price of oil make Synthetic Para rubber price are decrease. Synthetic Para rubber can use replace Para rubber specially manufacturing industry use Synthetic Para rubber more than Para rubber but Synthetic para is extracted from oil refinery so after oil price are decrease the price of Synthetic rubber much reduce together.