cracked headlights

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  • November 14, 2012 at 6:42 am #39175

    i wet sanded my headlights with p600 and then scuffed it with a grey pad and scuff stuff. after that i cleaned it with super clean. i used ARC clear coat with plastic primer, fast reducer, and fast thinner. after spraying it, “cracks” appeared. why does that happen? someone please help me

    November 14, 2012 at 7:13 am #39176

    It is possible that the lights are in really poor condition and the clear coat just highlighted the cracks in the plastic

    November 14, 2012 at 7:21 am #39177

    yes it was in poor condition but i cleared some other headlights that werent that bad and still the same thing happened. by the way thank you for responding

    November 14, 2012 at 7:30 am #39178

    Its probably the clear you are using.

    November 14, 2012 at 7:34 am #39179

    maybe. i use that clear for cut in parts. ill try de beer next time

    November 14, 2012 at 9:14 pm #39201

    How about some of the clear bulldog sealer? We polish them only, no clear.

    November 14, 2012 at 9:36 pm #39202

    All you need is a good 2k clear. your jambing clear is likely lacquer and the cause of the cracking. it will not do this with 2k Urethane clear. no need for any AP.

    November 15, 2012 at 4:47 am #39219

    X2, I have used Nason 496-00 in the past with excellent results, never had a cracking problem

    November 15, 2012 at 5:16 am #39220

    are you adding the plastic primer into the clear?

    November 17, 2012 at 8:35 am #39271

    yes i am

    November 17, 2012 at 6:03 pm #39274

    I have no idea what ARC clear is or what plastic primer your using, but almost all the time the adhesion promoter goes on first then clear as normal.

    If the product your using is something specific for headlight I could be wrong.

    February 9, 2013 at 5:21 pm #41253

    Make a mould and vacuum form an acrylic lens.acrylic is strong cheap and you can wet sand and polish imperfections from use. Mostly I make new lenses.

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