Ageing Oven is used to determine change in properties of PVC and Rubber material at particular temperature and time. In Multi cell ageing Oven individual samples are aged in separate cells in presence of air and preventing any contamination from adjacent samples through the migration volatile products which can be found in many rubber & PVC compounds. Rubber and PVC samples has to retain all its physical properties for it has to used in certain application and environment even after ageing the sample at desired temperature and time.