M20 vs M21
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Thread: M20 vs M21

          
  1. #1
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    M20 vs M21

    The first is labeled a Polymer Sealant and the next is labeled a Synthetic Sealant.
    Both are priced about the same on Amazon.
    However, what are the differences in these products ?

    Note some interesting commentary on Amazon:
    https://www.amazon.com/Meguiars-Mirr...ic+Sealant+2.0
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  2. #2
    Registered Member Murr1525's Avatar
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    Re: M20 vs M21

    #21 is an entirely synthetic wax.

    #20 is a synthetic and carnuba blend with some mild cleaning ability.
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  3. #3
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    Re: M20 vs M21

    Thanks Murray....
    but did you notice the one post that favored M20 over M21 ?
    From that comment my take-off was that M21 cannot replace M20.
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  4. #4
    Registered Member Murr1525's Avatar
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    Re: M20 vs M21

    Well, they are certainly not quite the same..
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  5. #5
    Registered Member Jolly_Green_Giant's Avatar
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    Re: M20 vs M21

    I've used both. In my oppinion 21 left a more shiny plastic or cellophane look to it. Some people like this look. Like wet shine tire dressing.
    20 was a more deep wet look. Especially on darker colors. I keep 20 on hand. I quick stocking 21.

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