E-L04D Series Rubber Ozone Resistance Aging Test Box mainly used for rubber products such as vulcanized rubber, thermoplastic rubber, cable insulation sheath, etc. Under static tension deformation, it is exposed to airtight and illuminated test box containing constant ozone concentration and constant temperature. The samples are tested according to the predetermined time, and the cracking or other property changes occur on the surface of the samples. To evaluate the ozone aging resistance of rub