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Automotive Refinishing Products - Primer-Surfacer
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Primer-surfacer has characteristics of both traditional primers and surfacers. The most recent primer-surfacer has a stronger characteristic as a surfacer: |
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Corrosion resistance (required for primer) | |
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Smoothness (required for surfacer) | |
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Sealing or absorption prevention (required for surfacer) | |
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Adhesion (required for both primer and surfacer) | |
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The two-liquid paint and base resin and hardener to be mixed before use. It will not dissolve in paint reducer/thinner after completely dry, and has high sealing performance. The drying process is slow, so forced drying is recommended.
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Thermoset Aluminum Alkyd Primer-Surfacer
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A thermoset type of primer-surfacer often used for paint repairs. Baking is required at 230?284 °F (110?140 °C) for 20?40 minutes. Resulting fill qualities are same as a new vehicle.
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Surfacer helps adhesion of primer and topcoats. It also improves paint durability and water resistance. In addition, it can remove sanding scratches filled or basecoat surfaces to improve paint finish quality. Has been mostly replaced by primer-surfacer today. | | 
