Insulating papers are used for transformers. Solid insulation materials that are widely used in transformers, among which we can mention crop paper, pressed paper and wood insulations, which are made from cellulose found in plants. Cellulose insulation with oil has played an essential role as the main insulation system of transformers for a long time.

These papers are a high temperature thermal insulator and are considered as one of the cheapest and best insulating materials used in transformers. Among the features of these papers, it should be noted that they are high strength and free from conductive particles, that all the safety and standard items in the products available in Sadid Sazeh Company have been observed.