laminators

A laminator is a device used to encase flat items in a protective layer of plastic film. Most units comprise a feed tray, a set of rollers (heated or unheated), and controls for speed and temperature. The resulting laminated item is more durable and resistant to moisture, wear, and UV light.

Laminators are generally categorized into hot (thermally activated) and cold (pressure-sensitive) systems. Hot laminators pass film with heat to activate the adhesive, producing a strong bond and a smooth finish; cold laminators rely on pressure-sensitive adhesive and do not use heat, which makes them suitable for heat-sensitive materials and quick applications.

Film comes in pouches or on rolls. Pouch laminators feed enclosed pouches that trap the item between two protective film layers; roll laminators feed continuous film around the item. Pouches are common for home and small office use; roll systems are more common in larger print shops and production environments.

Common specifications include film thickness (measured in mils or microns) and the maximum finished thickness the machine can laminate. Typical office use covers 3 to 5 mil per side for pouches; thicker film yields more durability. Applications include posters, worksheets, ID cards, menus, and photos.

Operation is simple: place the item in a protective pouch (leaving a border), feed it into the machine, then allow the laminated sheet to cool before trimming if needed. Follow manufacturer guidelines for speed, temperature, and safety.

Maintenance involves cleaning rollers, clearing jams, and using the proper film. Common issues include air bubbles, wrinkles, or edge whitening, often resolved by adjusting temperature, ensuring an even feed, or selecting appropriate film. Lamination provides a durable, water-resistant finish.