OCC (Old Corrugated Containers) refers to used or discarded corrugated cardboard boxes and packaging materials. It is one of the most widely traded grades of recovered paper in the recycling industry.

• Composition: Mainly corrugated boards, cartons, kraft paper packaging, and other post-consumer corrugated materials.

• Appearance: Brown or mixed-color corrugated sheets and boxes, usually flattened and baled.

• Quality: Free from hazardous materials, excessive moisture, plastic, metal, or other contaminants.

• Use: Commonly recycled into new corrugated boxes, paperboards, and packaging products.