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What is the difference between roll laminators with heat shoes and roll laminators with heat rollers?

Heat shoes are cylinder-shaped “shoes” with an electric heating element inside them; the film is pulled across the heated shoes and the rollers then apply pressure, activating the adhesive on the film and causing it to adhere to the document. Heated rollers, on the other hand, contain an embedded heating element; as the film moves across the rollers, the heat activates the adhesive on the film and causes it to adhere to the document. Although rollers apply both heat and pressure, thus offering a slightly better bond than heat shoes, heat shoes have fewer moving parts, so higher volume commercial operations typically use heat shoes since they offer the benefit of being able to laminate more items faster.