COPACO-100 is a very robust electrical insulation product with extremely high tensile, tear, burst and dielectric properties. It is normally supplied with a high density, very smooth �Glazed Roll� finish which eases the insertion into slot cells, and provides excellent abrasion resistance. The product is well suited to be punched, formed or creased. - COPACO-100 electrical insulating rag papers are manufactured from only high-grade new cotton cuttings, the stock is extensively cleaned and specially refined to insure maximum purity and physical strength. No sizing, clay, fillers, or other chemical additives are used in Copaco. The absence of impurities ensures that Copaco's aging characteristics will meet your most exacting requirements.