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Decorative Foils

Decorative foils are cellulose papers weighing between 40 and 200 grams/m² untreated. These overlays are also referred to as impregnated papers. The papers are generally impregnated with a blend of resins that will add between 20% and 50% to the weight of the base paper. The impregnated foils are then bonded with an adhesive system to a substrate such as MDF or particleboard. Quantity, method and type of impregnation, along with the type of adhesive system and substrate, will have a direct effect on the finished product. These qualities will be demonstrated in cutting and machining performance. Due to substrate surface advancements, the use and performance of decorative foils has increased. Common applications of decorative foils include cabinets, store fixtures, closet systems, RTA, furniture and home office furniture, profile wrappings and POP displays.

Impregnated papers do not require a topcoat to be considered a foil. Depending on the application, however, foils are typically supplied with a finished topcoat.

There are three types of decorative foils:

Unimpregnated - No resin added during the manufacturing of the paper.

Pre-Impregnated - Papers that are treated (impregnated) during the paper manufacturing process with a resin system such as melamine and/or acrylic. This impregnation normally occurs on the paper machine, but some or all of the resins can be added to the cellulose before calendering. The calendering process provides a good printable surface that takes top coating easily. The product can be embossed either chemically or mechanically. The foil remains flexible even after the resins are fully cured.

Post-Impregnated - Papers that are treated after the paper manufacturing process. The treatment is accomplished with a blend of melamine and acrylic resins. Due to the high percentage of resins, acrylic is normally added to retain flexibility after curing. The resin mixture encapsulates the paper fibers and fills voids in the base paper. The papers may be printed and top coated. Chemical and mechanical embossing are also possible.