Synthetic rubber production fell 5.6 percent year-on-year to 773,584 tons in the first half of 2016, according to the Synthetic Rubber Industry Association of Japan. Production was down for all categories year-on-year, including a 6.1 percent decline for styrene-butadiene rubber (SBR), a 2.8 percent decline for polybutadiene rubber (BR) and a 2.2 percent decline for ethylene propylene diene terpolymer (EPT)….