Sherwin Williams HP Clear

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  • This topic has 4 replies, 2 voices, and was last updated 16 years ago by Anonymous.
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  • Anonymous
    June 18, 2008 at 4:13 am #10735

    Alright I’ve had a few weeks now to give this clear a good try. It has already saved me a few times for that job that needs to go yesterday. Its has also saved me money from not baking also, but the main thing is how it performs, so:

    Being a faster clear it is better on small jobs like most. It performs excellent for bumpers and being preflexed gives you that extra piece of mind. You can spray any sized bumper pretty well without a problem.

    After doing a few panels, the first ones didn’t turn out to great. I obtained a slower reducer and was able to turn out excellent results with it. Two panels is all I would go with it max. I have heard of a guy spraying front ends with it, but I haven’t become that brave yet.

    I have also used this for spot repairs & the clear blended out & polished superb. I sprayed it, took break, came back and polished it. Very efficient for those without an infrared.

    Overall for smaller jobs I would highly recommend this clear. I look forward to a slightly slower version utilizing this technology. Sherwin Williams has gone up a few pegs in my mind with this alone!

    June 18, 2008 at 7:07 am #10744

    Thanks for your honest thoughts Jimmo. My biggest fear with any new product is that it will not perform as it is supposed to.

    I see your experience supports our earlier discussions that it is really something for spot repairs, panels at most.

    The HPC-15 is actually the final component of an entire speed process where you can do a repair – from primer to clear – in about 40 minutes (at 70°-75°F).

    The process is to apply 2-3 coats of Speed P30 primer (back to back – no flash between coats). Let that flash for 15 minutes (at 70°-75°F) then sand.

    Then you apply Ultra 7000 basecoat, flashing each coat with a venturi air dryer. The last coat needs to flash until it is no longer thumb printable (about 5 minutes @ 75°F)

    Finally, you clear with HPC-15.

    Pretty cool stuff when you need speed.

    Anonymous
    June 18, 2008 at 3:52 pm #10746

    That P30 primer is alright, I think i’ve used it before. The big downside to it is overspray travels all over if you don’t mask up your vehicles entirely. It still won’t be able to keep up with my UV primers, (about 5 minutes). But its works with it better then anything. I guess my custom system is 30 minutes. I should package them together and sell it.

    June 19, 2008 at 7:35 am #10755

    You almost have to think we’re getting about to the limit on speeding things up.

    Maybe the next place to go from here is to just cover the entire car in vinyl – pick your color, cover each panel & trim. Zero dry time.

    Of course, we’ll all be moving to waterborne paints soon enough. The dry times are a bit slower than solvent based products right now. That will give everyone the chance to start working on speeding things up all over again.!

    Anonymous
    September 18, 2008 at 3:35 pm #11482

    For anyone else that is interested in using this, S&W just updated their tech sheet approving the mixing ration of 4:1:1 instead of the normal 5:1:1. This is for doing more panels, having more reducer I’d wonder how you get enough mil thickness now, I hope they’ve done some heavy duty testing.

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