OCC 11 Grade 11 OCC Old corrugated containers 11 Industries defines Corrugated Containers (Grade 11 OCC) These are corrugated papers having liners of either test liner, jute or kraft. Under this category of paper, the following characteristics are exhibited. Prohibitive Materials: Not to exceed 5% Outthrows: Should Not to exceed 5% Combined Outthrows and Prohibitive may not exceed 5%.