Surface Printing Application Examples Almost all flexible packaging substrates are printed on the bottom layer, while surface printing is rarely found.
What is surface printing and bottom printing:
(1) Surface printing refers to printing on the surface of a packaging substrate.
(2) Underprinting refers to the case where the printed layer is sandwiched between films after the heat sealing layer material is laminated on the printed surface. The bottom layer printing and processing method can make the printed material reflect the gloss and beautiful appearance.
(3) Surface printing ink: Since the printing surface is present on the surface, the surface printing ink is required to have abrasion resistance, scratch resistance, and high temperature resistance.
(4) Ink for bottom layer printing: Since the printing surface is sandwiched by an adhesive layer, it is required that the adhesion between the ink and the substrate (film, adhesive) be good, and that it has its own cohesive force.
Surface Printing Applications (1) The printed article is a non-transparent material (aluminum foil, paper, etc.).
(2) The printed article is composed of a single layer (the ink is in contact with the food when printed on the bottom layer).
(3) To reflect the unique texture of the surface printing (matt texture).
(4) The case where printed articles are difficult to print (printed on ONY and PE).
(5) Print (seaweed packaging, thermal copying, etc.) on the packaging process.
(6) Other special circumstances (including cost factors).
What is surface printing and bottom printing:
(1) Surface printing refers to printing on the surface of a packaging substrate.
(2) Underprinting refers to the case where the printed layer is sandwiched between films after the heat sealing layer material is laminated on the printed surface. The bottom layer printing and processing method can make the printed material reflect the gloss and beautiful appearance.
(3) Surface printing ink: Since the printing surface is present on the surface, the surface printing ink is required to have abrasion resistance, scratch resistance, and high temperature resistance.
(4) Ink for bottom layer printing: Since the printing surface is sandwiched by an adhesive layer, it is required that the adhesion between the ink and the substrate (film, adhesive) be good, and that it has its own cohesive force.
Surface Printing Applications (1) The printed article is a non-transparent material (aluminum foil, paper, etc.).
(2) The printed article is composed of a single layer (the ink is in contact with the food when printed on the bottom layer).
(3) To reflect the unique texture of the surface printing (matt texture).
(4) The case where printed articles are difficult to print (printed on ONY and PE).
(5) Print (seaweed packaging, thermal copying, etc.) on the packaging process.
(6) Other special circumstances (including cost factors).
Field of application Content Composition Remarks Printed material is non-transparent Material printed aluminum foil (60) // PP, PE (25) Cup lid printing paper // Biaxially oriented PE (65) Single pack chocolate printing VM-OP (30) / / EVA -PS Blend Printing PET-VM(12)//OP(40) Cold Sealing Cover Material Kink Packaging Printing VM- Uniaxially Stretched PE(25) Chocolate Bar Printing Pearlescent OP(30)//VM-CP( 25) The printed item is a single-layer structure composed of metric printing OP(50) / single coated fruit printing OP(25) (heat-sealing type OPP) single-package printing PE PE hose is vegetable printing OP(25) anti-fog surface ( Melt seal) Anti-fog type OPP Vegetable (teminal) Printing OP (40)/Single coated ordinary vegetable packaging Western cake printing K-PET-K (12) (double coated PVDC) Wrapped hot sauce (Hose) Printed EVA (100) /EVOH(40)/EVA(230) Composite film embodies the unique texture of the tabletop print. Confectionery printing pool PET(15)/printing//K-OP(20)//CP(25) Beautiful appearance and zero light elimination OPP(20) )Printing/PE(15)/VM-PET(12)/PE(20)/CPP(20) Locally Exfoliating Coating Makes OPP Gloss Hard to Print on Face Print Face Print ONY(25)/PE(15)/ LL (50 Bart-printing PE(28)//AL(7)//PE(27) paper//PE(40) Printing Laver Print OPP(25)(Ink Rew.) (Heat Seal Type OPP) Pharmaceuticals and other printing PET(12)/PE(16)/AL(9)/PE(20)/PE(22) PTP outer bag
Others (1) Foreign surface printing: In the United States and Europe, Japan does not require the appearance of flexible packaging materials, so there are many surface printing products.
(2) cup bowl printing: yogurt cups and other surface printing methods. At the time of molding the cup, the label is first inserted into the mold, and then the inner mold marking product molded with the molten resin gradually increases. (Luo Xiaoming) ("China Packaging Newspaper and Print Weekly")
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