Common question from clients inquiring about balers is whether waste paper can be processed. The answer is a definitive yes; waste paper—including cardboard, shipping cartons, and books—is the primary material handled by these machines. In fact, scrap cardboard balers are the best-selling category of all baling equipment.
Waste paper is soft and highly compressible, making it ideal for hydraulic pressing into compact, uniform bales—a key raw material for paper mills. However, not all paper is suitable for direct baling; there are important nuances to consider. Paper coated with plastic or film (waterproof paper), oil-soaked paper, or paper contaminated with chemicals should not be mixed with standard waste paper. Such impurities degrade the quality of the bales, often leading paper mills to reject them or offer a lower price. Similarly, damp or moldy paper—which has a high moisture content—is prone to further spoilage after baling and can even corrode the hydraulic components of the equipment; it should be dried before being compressed.
When loading waste paper, try to remove hard adhesive tape, staples, and plastic labels beforehand. While a small number of staples may not cause significant issues, a large accumulation of metal debris entering the compression chamber will accelerate the wear of blades and hydraulic cylinders. For large cartons, it is best to flatten them first rather than forcing whole boxes into the machine; consistent, even feeding ensures a more uniform density in the finished bales.
Vertical balers are well-suited for retail stores or small processing facilities with lower daily volumes of waste paper, while horizontal automatic balers are better for large-scale operations, such as e-commerce warehouses or printing plants, that generate several tons of waste paper per day. When operated correctly, scrap cardboard balers offer high reliability and produce high-quality bales that are more sought after in the recycling market. Proper sorting and categorized baling maximize the recovery value of waste paper and help businesses reduce waste disposal costs.
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Post time: Nov-12-2026