Shelf Life

1986mustanggt

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How long does Wolgang's Sealant, not 3.0 last? I have an unopened 64 ounce bottle on the shelf. Might be 4 years old.
 
I'd use it too. I shake my products up on the 7th of every month, just to be on the safe side. But i'm pretty sure, that Wolfgang sealant is still as good as new. :xyxthumbs:
 
I'm sure it's fine, just shake it up real good a couple times. Let us know how it treats you.

I (try to remember to) shake my products up on the 1st of every month :xyxthumbs:
 
I shake mine too but I am questioning if the product is still beneficial to use? I plan on using it. Thanks for all the responses.
 
I can't count how many times I've answered this question about old Meguiar's products and I have some pretty old products dating back to the 1940's and 1950's, some probably go to the 1930's

Here's what I post about older products...

Shake the product well and if it has an uniform consistency and appearance, then it's probably perfectly fine to use.

I rubbed stains out antique lacquer paint using a glass bottle of M04 from the 1950's with no problems at all...




MGH-4 Hand Cleaner - Still Good After All These Years!
Over the weekend I used a bottle of MGH-4 Hand Cleaner that is Post WWII and probably from between 1950 and 1960 to remove stains from antique lacquer paint on a 1938 Packard Model 1603

Lots of people will join our forum and ask the question,

What's the shelf life of Meguiar's products?


The official answer is 3-5 years as long as the product hasn't frozen. That said, if the product has never frozen it's possible you can shake it up and if it still has a uniform appearance and consistency it's probably perfectly fine to use. Such is the case for this old glass bottle of MGH-4

Here a few pics...

A protective plastic wrap was placed on the paint to protect it while the car was transported from the East Coast to Palm Springs, California. After the plastic wrap was removed it was discovered that the paint had been mottled or stained after moisture got underneath the plastic.

Photos courtesy of MeguiarsOnline.com

Before
1938Packared001.jpg


Cropped out close-up from the same shot above...
1938Packared001c.jpg


From the front of the roof
1938Packared002.jpg


1938Packared002a.jpg


1938Packared003.jpg


1938Packared003a.jpg


1938Packared004.jpg


1938Packared005.jpg



"You never know what you can do until you try"


For this particular project, I actually took a good selection of both old and new technology because this automobile had both antique single stage lacquer paint and modern basecoat/clearcoat panels. The doors, roof, hood cowl, and rear light components were all single stage, the main body and fenders were basecoat/clearcoat.

All of the antique products appeared to be completely fine to use and the antique can of M16 Professional Paste Wax was not only in perfect condition but this can has never been used and never even broken-in.

NewAndOldTechnology01.jpg



NewAndOldTechnology02.jpg


A few after shots, it's hard to photograph such a large car while it's in the garage...

1938Packared005_5.jpg


1938Packared006.jpg


1938Packared007.jpg


1938Packared008.jpg


1938Packared009.jpg


1938Packared010.jpg



After all the work was finished we toasted the survivorship of this classic Packard using some antique Meguiar's Mirror Glaze Glasses.

MirrorGlazeGlasses01.jpg


MirrorGlazeGlasses02.jpg




:xyxthumbs:
 
Mike,

I think I remember this post from the Meguiar days. Thanks!
 


I forgot about the above picture,

There's products in the above picture that are common now but back when the chemists gave them to me in Lab Sample Bottles, from the laboratory they were still in development.

The M205 in the quart was also mixed at the lab and is not production product.


Time flies when you're having fun...


:D
 
I think "frozen" that someone mentioned is the key. If the product is frozen and thawed and frozen again it will "spoil" like meat. I say that because almost everything "spoils" under those conditions. After more than seven years I still have a couple containers of Klasse AIO and the Sealant Glaze and although I have not used them in a couple years they look and smell just fine. I would not be afraid to use them again.
 
I think "frozen" that someone mentioned is the key. If the product is frozen and thawed and frozen again it will "spoil" like meat. I say that because almost everything "spoils" under those conditions.

Agreed. Also, by spoiling, it can mean the original blending of the ingredients has been disrupted in a way that shaking alone will not re-mix.


After more than seven years I still have a couple containers of Klasse AIO and the Sealant Glaze and although I have not used them in a couple years they look and smell just fine. I would not be afraid to use them again.


When in doubt, shake them really well and then pour a little product out, if the product has a uniform appearance, that is it re-mixed to create a smooth, uniform looking liquid it's probably okay to use.

If after shaking hard the product is still separated or coagulated looking, it's probably past the point of no return.



:)
 
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