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I'm just about empty on a jug of old M21 and have a 16oz new M21 ready to go. Any difference in application, shine, longevity? The old had a lot of water sweat out when applying, does the new do the same?
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Re: Difference between M21 old and new?
I have not noticed the watery part. To me the big difference is the hydrophobic properties in the new version. It sheets off the water fantastically.quality creates its own demand -
Re: Difference between M21 old and new?
So no beading?Comment
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Re: Difference between M21 old and new?
Will still bead if the rain is light enough.2017 Subaru WRX Premium - WR BlueComment
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Re: Difference between M21 old and new?
In my experience. it beads initially. Then sheets off. Always amazes people.quality creates its own demandComment
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Re: Difference between M21 old and new?
I was always told when it stops beading it's worn off.Comment
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Re: Difference between M21 old and new?
Mine kinda is, but shake it well before using it and it'll be fine. Except for its hydrophobic everything else looks the sameComment
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Re: Difference between M21 old and new?
What about durability? Does the new version last longer?
Beading gives way to sheeting, indicating its presence protecting, so I wouldn't use beading as a durability guide. When water starts to pool, then it's gone.Paul Marmarinos
Flawless Prestige Car Detailing
"The trouble with the world is that everyone's about three drinks behind" - Humphrey BogartComment
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Re: Difference between M21 old and new?
Originally posted by atikovi View Post
Well yeah if the water makes a puddle on the panel, but if it is actually sheeting off of the car, then that definitely means there is still M21 on there pushing that water off the car!
I once put swirls in my paint just to see what it looked like.
I don't always detail cars, but when I do, I prefer Meguiar's.
Remove swirls my friends.Comment
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Re: Difference between M21 old and new?
Beading and sheeting are different.
Too many place an emphasis on beading and ignore the sheeting properties as evidence of a wax/sealants presence.
What needs to be observed is water pooling as evidence of a LSP's death, not lack of beading.Paul Marmarinos
Flawless Prestige Car Detailing
"The trouble with the world is that everyone's about three drinks behind" - Humphrey BogartComment
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Re: Difference between M21 old and new?
I have not noticed any perceptible difference. Still is protecting when I wax her again.Originally posted by Alfisti View Postquality creates its own demandComment
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