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The choice of raw material pharmaceutical packaging aluminum foil
发布时间:2015-1-24 15:16:57 点击次数:

  Pharmaceutical packaging aluminum foil protective coating on the hard aluminum foil are the important performance requirements of form a protective layer of the aluminum foil has strong adhesive force, in the high temperature hot pressing composite (150-200 ℃) of high hardness and not happen in fall. Nitrocellulose has good tensile strength, high hardness, solvent release fast, its content reaches a certain hardness for can meet the requirements. Thermosetting acrylic resin was used as a protection or modified coating, metal surface after the curing performance, has excellent light, color, high corrosion resistance, heat resistance, adhesion performance. After considering the two kinds of resin performance, choose the nitro cellulose and thermosetting acrylic resin as the main film-forming of pharmaceutical packaging aluminum foil protective coatings, to ensure protective layer with good hardness, cohesiveness, heat resistance and corrosion resistance.