Quote:
Originally Posted by AndroidRobot
the hardness is irrelevant because all coatings still scratch that I've seen used on cars. Ceramic coatings can help with cleaning but I don't count them as protection. I've had countless cars coated with just about every major brand out there. Some are better than others in terms of reducing cleaning time but none are what is consider game changing. Feyn labs does have a self healing coating which is pretty good though.
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^ This.
PPF = protection from rock chips, scratches and swirl marks.
Ceramic = a permanent waxed look (when clean), protection from things like bird droppings. Ceramic wears off over time too - polishing scrubs it off.
Ceramic is not a substitute for PPF. Not even close.
Should you have ceramic over PPF? Most people get it because the cost over PPF is negligible. I think you can get by if you wanted to skip it after getting PPF.
Source: I have PPF + ceramic on many surfaces on two cars. And just ceramic on other surfaces. I will be getting full body PPF and ceramic on the M4 when it arrives because panels with PPF have held up flawlessly while the ceramic only surfaces are not as perfect as they started off when looked at up close.