Introduction: How to Spray and Blend Automotive Clear Coat
This video will show you how to correctly spray and blend automotive clear coat.
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Make sure you have enough clear coat to completely cover whatever part you're about to paint. You don't want to run out of paint halfway through the job. If you are not sure how much paint you need, check out the automotive paint amount estimator we created to help you with that here: http://www.themechanicdoctor.com/automotive-paint-amount-estimator/.
Make sure all the pre-painting steps are done before going any further. Once again, if you are not sure what we are talking about, check out this post on how to correctly prepare auto body parts for painting here: http://www.themechanicdoctor.com/how-to-prepare-auto-body-parts-painting/
- Acrylic urethane clear coat
- Clear coat activator
- Blending solvent
- Spray gun
- Paint filter
- Tack cloth
1- Mix the clear coat and the activator following the manufacturer's recommendation.
2- Make sure the surface is ready to receive clear coat and the blend area is water-sanded using a P-1550 grit sandpaper.
3- Wipe the surface once again with a tack cloth.
4- Start by spraying a medium-wet coat of clear coat. Stop the first coat at the beginning of the sanded area.
*Always keep the spray gun parallel to the surface and overlap each pass by 75%.
5- Use a second spray gun and immediately apply a fine shaded coat of blending solvent at the end of the clear coat. Let dry.
6- Wipe the surface with a tack cloth between each coat.
7- Repeat the process but this time apply a wet coat of clear coat. Stop the second coat a little further than the first one.
8- Once again, use a second spray gun and immediately apply a fine shaded coat of blending solvent at the end of the clear coat.
9- Make sure the finish is smooth and uniform. Let dry.
10- Wash your spray gun properly.
11- When the clear coat is completely dry, polish the blended area using a polishing machine and a fine compound.
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