PPG Training

Custom Restoration Guide 2018

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123 MIDCOAT CLEAR APPLICATION PD-1725 Caution: Wear the proper safety protection when sanding, cleaning, mixing and spraying all materials included within this process. Midcoat clears are products specifically designed to be used as a tool to create custom candy or pearl layers over waterborne or solventborne basecoat. Allows painters to create multiple color layers using special-effect pigments and dyes and can also be used as a lockdown clear to isolate graphics, especially when the custom finish is performed over an extended period of time. For durability and appearance, midcoat clears must be clearcoated with a general clearcoat. Midcoat clears are not intended for use as a stand-alone clearcoat. 1 Allow basecoat to flash an appropriate amount of time before applying midcoat layers. Ensure waterborne basecoat is thoroughly dehydrated before applying the midcoat layer. NOTE: The preparation of a midcoat letdown panel is recommended prior to applying midcoat layers to your project. Refer to PD-1660 for Letdown Panel preparation instructions. 2 Apply 2-4 medium coats until the desired effect is achieved, allowing sufficient flashtime between coats. As a lockdown clear, apply 1-2 medium coats, allowing sufficient flashtime between coats. 3 The midcoat layer must be clearcoated within 24 hours. After 24 hours, a light scuff and another midcoat layer must be applied before clearcoat. 4 Proceed with Clearcoat Application Procedures PD-1730 or PD-1735.

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