THE BEST PRIMER FOR MDF AND WOOD! COVER LASER CUT EDGES!

How many blogs or articles have you seen that talk about the top 5 primers for wood or MDF? Of those, how many just seem to be comparing primers based on what is written on their labels or on suppliers' websites? How many have you read where they perform actual real-life testing?

I've read multiple articles trying to figure out which primer I should use and never found one that showed real-life examples or talked about real testing results. They all just seemed to rank primers based on what they read from a website or label. It was because of this that I decided to do my own testing. I went through eight total primers and did a full comparison using the process I normally follow for painting signs. Which one do you think is the best?

● PRIMERS BEING COMPARED (may contain affiliate links)
Valspar Bonding Primer - https://www.lowes.com/pd/Valspar-Whit...
Rust-Oleum Filler Primer - https://amzn.to/3kwhMK8
Zinsser 1-2-3 Primer - https://amzn.to/3dQWl5f
Kilz Original - https://amzn.to/3kwgGy0
Zinsser Shellac - https://amzn.to/3dV9XMI
Rust-Oleum 2X Primer - https://amzn.to/2NGyw5A
Krylon Colormaxx Primer - https://amzn.to/3kyjafu
Rust-Oleum Universal Bonding Primer - https://amzn.to/3b3dYgw

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