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Home / Courses / Sheet Metal / Sheet Metal Finishes / Protective Films

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Design Course

Sheet Metal

Fabrication Technology in Product Design
by
Kishore Babu Kamatham
 
Protective Films
 
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    Protective coatings are commonly used to protect paint and powder-coated surfaces, anodized and plated surfaces.

    There are transparent coatings that offer protection film over the painted surfaces and will give attractive shine. Further, they Prevent deterioration, corrosion, and tarnishing of the paint coats. Good quality protective films are flexible enough to resist cracking and peeling.


    Varnish


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    Varnish is mainly meant of wooden surfaces and a very durable because it contains a higher ratio of solids. It is an excellent protective coating for outdoor applications such as exterior doors, boats, beach chairs, etc.,

    Lacquer


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    Lacquer provides a gloss finish often used on many products. It is extremely durable and resistant to damage. however, over time lacquer can be become and susceptible to scratches.  Discoloured it can begin to discolour and become scratched. The common finish terminology varies from least shiny to most shiny flat, matte, eggshell, satin, semi-gloss, and high gloss.


    Polyurethane Coat

     

     


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    Water-based polyurethane is popular because of its low odour and low toxicity. It goes on clear without adding a slight colour that oil-based versions can, and it dries much faster. Water-based polyurethane won't hold up well to heat and chemicals. It's good for bookcases, desks, side tables and picture frames — anything that won't be exposed to extremes. Oil-based polyurethane is slightly more durable than water-based, especially when it comes to handling heat, so a kitchen table is a good candidate.

     

     

    • Introduction
    • Overview of Sheet Metals
    • Manufacturing Process
    • Sheet Metal Joinery
    • Sheet Metal Assembly
    • Sheet Metal Finishes
      • Natural Finishes
      • Organic Coatings
      • Fillers
      • Painting
      • Types of Paints
      • Coating Application Types
      • Common Paint Problems
      • Powder Coating
      • Test Standards for Paint and Powder Coated products
      • Plating
      • Commonly Used Basic Materials and Plating Metals
      • Design Considerations in Part Design for Plating
      • Hot Dip Galvanizing
      • Anodizing
      • Vacuum Metallization
      • Chemical Etching
      • Protective Films
    • Design Methodology
    • Downloads
    • Contact Details
    • Credits

    Creating Digital-learning Environment for Design



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