Synthetic paper, from its early development and historical evolution, has typically been manufactured using synthetic resin derived from petroleum as its primary material. Naturally, this has given it characteristics similar to those of plastic film, but its appearance is remarkably similar to that of regular paper made from wood pulp. In addition, many synthetic papers have properties similar to those of regular paper.

YUPO® is a synthetic paper made mostly from polypropylene film to which inorganic fillers and small amounts of additives are added. In principle, the film is formed while creating microvoids by stretching it biaxially. The most distinguishing feature is its multilayer construction, which consists of a base layer and paper-like layers laminated on either side, whose thickness can be adjusted to provide products ranging from thin to thick. This manufacturing process is shown in the flow sheet in Figure 1. The specific YUPO® manufacturing process is a proprietary technology unique to our company, and numerous patents have been established for it in Japan, Europe and the USA, as well as for the composition.

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  • Withstands repeated water exposure
    Even if YUPO® gets wet, there is virtually no reduction in its strength or deformation, making it outstanding against water exposure. The strength of YUPO® is obvious when using maps outdoors.
  • Resistant to tearing
    Because the primary raw material is polypropylene, YUPO® is resistant to stretching, folding and other stress. Because of its resistance to tearing, it makes strong shopping bags that can be used over and over, which surpass the level of paper considerably.
  • Smooth surface
    YUPO® is good for finishing with a laminated coating. It can even be used for mouse pads because the surface maintains an even smoothness.
  • Resistant to oils and chemicals
    Since there is virtually no deterioration in quality even when YUPO® is exposed to chemicals, including acid, alkalis, organic solvents and oils, it can even be used for labels on oil drums.
  • Environmentally friendly
    Because the primary raw materials of YUPO® are carbon and hydrogen, it does not give off toxic chlorine gas when ignited. In addition, YUPO® is reusable.

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  • Although unsuitable for UV offset printing, it is outstanding for oil-based offset printing. For details, see "Printability"

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