Using Meguiar's G17804 Keep Clear Headlight Coating - Page 2
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Thread: Using Meguiar's G17804 Keep Clear Headlight Coating

          
  1. #11
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    Re: Using Meguiar's G17804 Keep Clear Headlight Coating

    Hi I have a friend that's stopping by next week and I'd like to do his headlights. The temp should be in the low 60's but shouldn't be raining here.

    As the temp is on the low end of the application spec's would it be alright after prepping the lens, to turn the lights on to heat them up a bit? Can the lens coating be applied while the lights are on? While the weather should be cooperating here, on his drive home he could encounter rain or snow over the mountain. What can we do to speed the cure so it's acceptable for him to drive home without ruining the coating?

    Thanx for your time and suggestions

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    Product & Training Specialist Nick Winn's Avatar
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    Re: Using Meguiar's G17804 Keep Clear Headlight Coating

    Quote Originally Posted by GaryODS View Post
    Hi I have a friend that's stopping by next week and I'd like to do his headlights. The temp should be in the low 60's but shouldn't be raining here.

    As the temp is on the low end of the application spec's would it be alright after prepping the lens, to turn the lights on to heat them up a bit? Can the lens coating be applied while the lights are on? While the weather should be cooperating here, on his drive home he could encounter rain or snow over the mountain. What can we do to speed the cure so it's acceptable for him to drive home without ruining the coating?

    Thanx for your time and suggestions
    Hi, we do not have any further recommendations for speeding up the cure process, it just needs dry weather & time. Good Luck! Worst case you would just have to re-apply.
    Nick Winn
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  3. #13
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    Re: Using Meguiar's G17804 Keep Clear Headlight Coating

    New weather, new questions.

    So now that the weather has changed, I hope to be cleaning headlights onsite - which means in a parking lot during the day.

    It recommends application in shade on cool headlights - what's the best practice to avoid/minimize problems when applying in direct bright sunlight? How about 100 F in sunlight?

    While I have you for a moment, Plastx warns that it shouldn't be used on painted surfaces - which I don't. But when working on headlights with a drill applicator some of the produce gets thrown onto the painted bumper covers and surrounding areas. Is the warning to avoid painted surfaces because of the abraisives or should I be worried enough to stop and wipe up all the little dropplets right away because of the chemical cleaners?

    Thanx

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    Re: Using Meguiar's G17804 Keep Clear Headlight Coating

    Gary
    You could consider a pop up for shade. Make sure you secure it with adequate weights to keep it from falling onto your subject or other vehicles.
    Here is a link to a TNOG where I did a set of Prius headlights.
    https://meguiarsonline.com/forums/sh...ht-Open-Garage

    Note the following:
    1) We used a good flexible masking automotive painters quality tape on the paint. Green 3M Scotch 233+ flexible tape, which adheres well, yet releases cleanly (up to 5 days). Test on inconspicuous spot first. Don't use anything that will pull the paint off or leave sticky residue on paint.
    2) We masked twice for extra protection and to make sure we did not miss any of the paint, or chrome.
    3) We then used a third mask that included tape plus paper to protect the surrounding areas from splatter.
    There is another great automotive body shop product that has masking tape plus plastic that unfolds and covers from 6 to 24 inches.
    4) Patience was utilized to keep the tools and product off the paint/chrome.
    5) Tighter spots were done by hand, so as not to overlap spinning tools on tape.
    5) We ended up opening the hood for better access to the lights.
    This splattered underside of hood and engine.
    It would have been better to drape thin film plastic across fenders and not hot, yet cooled engine compartment and under the hood.
    6) Consider these good supplies in your cost estimates to keep your customers happier.

    Link to 3M Scotch 233+ https://www.3m.com/3M/en_US/company-...8716717&rt=rud

    Link to 3M Masking Guide: https://multimedia.3m.com/mws/media/...w-to-guide.pdf

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    Re: Using Meguiar's G17804 Keep Clear Headlight Coating

    Here is a link to the 3M Pre-Taped Masking Film in use.
    https://www.amazon.com/3M-Automotive.../dp/B01I5L9P9C

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    Re: Using Meguiar's G17804 Keep Clear Headlight Coating

    Quote Originally Posted by Old Bear View Post
    Here is a link to the 3M Pre-Taped Masking Film in use.
    https://www.amazon.com/3M-Automotive.../dp/B01I5L9P9C

    Thanx for the prompt response. I'm already using the Scotch green tape, for the film I'm using 12" kitchen stretch wrap, I find it easy to work with and it's only to portect from the clear lens overspray.

    My concern about sunshine is the lens spray may be a UV cure and the sun may cause it to set up too fast.

    For me working in a parking lot means working on parked cars not where I set up a tent cover and bring cars to it.
    Last edited by GaryODS; Jun 1st, 2019 at 04:17 AM. Reason: type

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    Re: Using Meguiar's G17804 Keep Clear Headlight Coating

    Saw this Pepboys video https://www.youtube.com/watch?v=NqJBNSZeQjE and it shows the user spreading the product with a cloth. Incorrect?

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    Product & Training Specialist Nick Winn's Avatar
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    Re: Using Meguiar's G17804 Keep Clear Headlight Coating

    Quote Originally Posted by atikovi View Post
    Saw this Pepboys video https://www.youtube.com/watch?v=NqJBNSZeQjE and it shows the user spreading the product with a cloth. Incorrect?
    Incorrect application, yes, it is definitely not recommended to use a microfiber towel to spread the product. Must have just been a miscommunication or something.
    Nick Winn
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    800-854-8073 ext 3845

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    Re: Using Meguiar's G17804 Keep Clear Headlight Coating

    Hi Folks:

    I'm concerned about spraying an aerosol product onto my newly restored headlights, because it never goes on completely mirror smooth ... no matter how well it self-levels. Would it be possible to somehow buff this a bit to make it smoother -- after letting it cure for a week or so? Maybe with a super-fine polishing compound? Or maybe just a buffing cloth?

    How can we make it mirror smooth like the factory coating?

    I'm sure if we all think about it and are willing to experiment (I'll try it out on my car), we can come up with something good. Thanks for any help you can provide.

  10. #20
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    Re: Using Meguiar's G17804 Keep Clear Headlight Coating

    we use this product in our detailing business on badly fogged headlights that we restore. After getting ther lens as clear as we can get it, we spray this on and it even clarify the lens a tiny bit more and now has a new UV coating so the fogging does not come back in a few months. The only issue is that you need to make larger cans of this so we are not buying this as much as we are.

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