Ozone resistance test chambers test elastomers (rubber) in the condition of ozone exposure,to simulate and measure rubber aging by means of ozone within a few days. Structure: Built with dynamic and static sample holders, cooling system, humidity system, air circulation, ozone generating unit,ozone exhaust device and control system. Standard: ASTM D1149, IEX6006811-403, ISO1431, ASTM D1171. Operate: All models are upgrade to programmable controller and Ethernet access that provides simple operation and control.