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Thread: Is 105-->205 pretty much the same as 83 --> 80?

          
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    Is 105-->205 pretty much the same as 83 --> 80?

    Hey guys I am hearing a lot of good about meguiars 105 followed by 205..... Back in the day with my DA I was told #83 (most abrasive for DA) followed by #80 was best bet.... Back then ALL I owned was my Meguiars G100 DA... Now I own that one still... a Flex 3401 and a Flex pe 2 150 rotary... Can you explain if 105 then 205 is similar to 83 then 80?? Thank you!

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    Global Product & Training Spec Michael Stoops's Avatar
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    Re: Is 105-->205 pretty much the same as 83 --> 80?

    M83 and M80 are both older technology diminishing abrasives while M105/M205 are much newer technology SMAT (super micro abrasive technology) abrasives that don't diminish. Variations of these SMAT abrasives are also found in M100/M101/D300/D166/Ultimate Compound/Ultimate Polish/M86/D155 by the way. Anyway, these new SMAT liquids are better suited to today's modern clear coats. SMAT abrasives are engineered to be very uniform in size and shape to give a more uniform cut - and therefore a better overall finish - and they are crazy hard.

    M83 is a cleaner polish, while M105 is a dedicated compound. M105 can give a heck of a lot more cut than M83 but it doesn't have to. If you use it in a non aggressive manner, like at lower tool speeds and light pressure on a soft foam pad, it won't have the punch that it could have when used more aggressively. M205 is actually closer in cut to M83, but it can finish out far better than M83. And due to the versatility of the SMAT abrasives in M205, it can cut like mad if you use it in a very aggressive manner, like microfiber discs with some speed and pressure.

    So, while you would use the newer products in much the same way you'd use the older ones, the newer ones are much more versatile and both cut and finish better than the older products.
    Michael Stoops
    Senior Global Product & Training Specialist | Meguiar's Inc.

    Remember, this hobby is supposed to be your therapy, not the reason you need therapy.

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    Re: Is 105-->205 pretty much the same as 83 --> 80?

    When using 105 by hand, what is the recommended follow-up product ? A glaze or is another finer polish recommended ?

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    Global Product & Training Spec Michael Stoops's Avatar
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    Re: Is 105-->205 pretty much the same as 83 --> 80?

    Quote Originally Posted by syswizard View Post
    When using 105 by hand, what is the recommended follow-up product ? A glaze or is another finer polish recommended ?
    As always, that's going to depend on how the paint responds (micromarring, haze, etc) and what you're looking to accomplish. Odds are, though, that you'll need a secondary polish like M205 to finish things off to a high standard.
    Michael Stoops
    Senior Global Product & Training Specialist | Meguiar's Inc.

    Remember, this hobby is supposed to be your therapy, not the reason you need therapy.

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    Re: Is 105-->205 pretty much the same as 83 --> 80?

    What other polishes are nearly equivalent to M205 ?
    I've got minor microscratches present after rotary buffing with M105 followed by hand-polish with M105.

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    Registered Member Old Bear's Avatar
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    Re: Is 105-->205 pretty much the same as 83 --> 80?

    I believe you may find some similarities in Ultimate Polish with M205.
    Both are polishes, yet both contain some similar SMAT abrasives (mush less than Ultimate Compound or M105).

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