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  #61  
Old 01-20-2013, 11:51 PM
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Re: Do I need the clear bra or no?

Quote:
Originally Posted by jgc4ever View Post
I have Durashield. It's not a 3M product. I'll see if I can get you those pictures. I only have a poor quality cell phone camera, and it takes some effort to get pictures transferred from it to my computer, but I'll give it a shot.

Edit: I took pictures but none show the touch ups and I can't even get the line of the clear bra to show up.
Ha, no problem at all, thanks for trying for me.

It's good to know that the touch up is pretty unnoticeable though.
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  #62  
Old 01-21-2013, 01:31 PM
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Not that you will care because you are the expert and know more than the 3m engineers but I received this in email this morning...

"Lance, Thank you for contactgin 3M Automotive Division. Scotchgard™ Paint Protection Film contains UV inhibitors that protect against harmful ultraviolet rays that can cause yellowing"

It doesn't address the issue of whether or not it will adhere to the textured plastic but it does clearly show you are incorrect in your prior statement that it does not provide UV protection...it is until proven otherwise entirely possible it would adhere to the textured plastic. Good day.

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Old 01-21-2013, 02:31 PM
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Re: Do I need the clear bra or no?

Not to start an argument, and I could be totally wrong about this, but I think that the UV inhibitors are for the benefit of the plastic film, to prevent yellowing. I think I read that it still allows most of the UV to pass through to allow for even fading of the paint even under the film.

But again I could be wrong.
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Old 01-21-2013, 02:51 PM
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Re: Do I need the clear bra or no?

Sorry but that would defy physics... If the UV inhibitor is between the sun and the paint it can not possibly go through. Not that I actually care.
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Old 01-21-2013, 03:04 PM
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Re: Do I need the clear bra or no?

You'd probably know more than me, but perhaps the inhibitor is just that: some sort of chemical or something that inhibits the UV rays from negatively affecting the plastic itself, but still allows it to pass through.

Regarding the sticking to plastic, according to 3M's FAQ, the Scotchguard PPF does stick to "plastic": Frequently asked questions about Scotchgard
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  #66  
Old 01-21-2013, 03:47 PM
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It is a chemical that is a clear coat on the outside of the film. The primary function is to jeep the plastic from yellowing but it has the added benefit of protecting anything underneath. I didn't mean to come of harsh Jeepers but earlier in the thread I was basically called an idiot and definitely told I didn't know what I was talking about.

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  #67  
Old 01-21-2013, 03:51 PM
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Re: Do I need the clear bra or no?

3M PPF will stick to smooth plastic. The original question was regarding textured plastic. 3M PPF (and other PPF) will not stick properly to textured plastic. PPF has a very light water-activated adhesive on it, that relies on the surface tension of a smooth surface to work properly and remain sticking over time - particularly important on surfaces with a lot of curves, like a bumper. Textured plastic does not allow for this, and frankly - even if it did stick, the appearance of the end result would leave a lot to be desired.

My personal opinion is that I have always only had the 3M PPF applied to the leading edge of the hood and front fenders. On some vehicles, I also have had it applied to the area on the rear of the rear doors and/or in front of the rear wheels (because of rocks thrown up from the front tires). Most manufacturers, including Jeep, usually install PPF in this area from the factory.

Whether to do the entire front bumper, leading edge of the roof and mirrors is entirely up to you and your pocketbook.

Never install PPE on chrome-plated plastic. It can cause the chrome to delaminate from the plastic.

The UV inhibitor in 3M PPE is to minimize any potential for "yellowing" or degradation of the film, not to protect the painted surface from UV. You want the paint under the film to fade at the same rate as the rest of the vehicle. Otherwise, when you remove the film there will be a marked difference, and one of 3M (and some other) PPE manufacturers product criteria - is for the product to be removed without trace visual effects.
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Old 01-21-2013, 04:22 PM
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So 3M has figured out how to defy physics...cool saying it isn't intended to protect the substrate doesn't change the fact that there is no way it can't. As far as sticking to textured plastic I don't know but I do know this 3M has vehicle wrap vinyl that does and a friend who is in that business says it is available in clear as well as matte clear it is used for custom printed wraps. Argue amongst yourselves I have presented my case with supporting evidence from the manufacturer.

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Old 01-21-2013, 05:27 PM
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Re: Do I need the clear bra or no?

You need to take a minute and understand what you are reading.

3m says it themselves in your email:

Quote:
"Lance, Thank you for contactgin 3M Automotive Division. Scotchgard™ Paint Protection Film contains UV inhibitors that protect against harmful ultraviolet rays that can cause yellowing"
The UV protectant is to prevent the film from yellowing. If the PPF had UV protectants in it it would stop the paint from weathering at the same rate as the rest of the paint, so when you remove it you'd be able to see where the film was. They specifically do not include heavy UV filtering to avoid specifically that.

UV inhibitors do not block ALL UV. When you wear sunscreen...do you still get tan? The point is to engineer enough UV protection into the film to prevent the film from yellowing, yet not prevent the paint underneath from weathering at a different rate than the rest of the paint.

The vinyl that is used for car wraps is completely different than paint protective film. We're talking about paint protection film, not vinyl for car wraps. They do not make matte PPF, they of course make matte vinyl for car wraps. These are different products entirely.

Quote:
Not that you will care because you are the expert and know more than the 3m engineers but I received this in email this morning...
I'm not saying I know more than the 3M engineers, but I absolutely have proven I know more than you. You just aren't understanding what the 3M engineers are saying, you're reading what you want to hear because I hurt your widdle feelings (but hey, you don't care right! You just keep on posting for fun).

The purpose of the UV inhibitors is to protect the film from yellowing...not to protect the surface underneath from UV exposure.

Right here from the 3M site:

http://solutions.3m.com/wps/portal/3...esources/FAQs/

Quote:
Q.Will Scotchgard™ Paint Protection Film change the color of my paint when I remove it?
A.Scotchgard film will not affect the color of the paint. Because the paint has been protected, the main difference will be gloss level. The gloss retention is better where the paint has been protected.
Quote:
Q.Does Scotchgard™ Paint Protection Film come in colors?
A.Scotchgard film is available only as a clear film. This feature makes the film virtually invisible while protecting the beauty of your vehicle.
Quote:
s far as sticking to textured plastic I don't know but I do know this 3M has vehicle wrap vinyl that does and a friend who is in that business says it is available in clear as well as matte clear it is used for custom printed wraps.
Like I said, different products. Write 3M an email and ask them if their product is available in "matte clear".
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Old 01-21-2013, 05:52 PM
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Re: Do I need the clear bra or no?

I have submitted the following query to 3M:

Quote:
Is there such a thing as "matte" paint protection film? Does 3M film provide UV protection to the surface it is applied to (I don't mean the UV inhibitor that prevents the film from yellowing)? Can the film be applied to unpainted textured black plastic, such as rough unpainted trim, bumpers or mirrors? Thanks!
I will provide the complete response, not simply a quote from it as soon as I get it.
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Old 01-21-2013, 05:56 PM
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All hail the mighty random letters and numbers ...for he is the king of paint protection. You can not put a barrier between something the sun and the substrate without the substrate benefiting from the barrier. Case closed it is not possible. Did I ever say 100% protection no I said protection...that is all. The wrap products and the ppf products are virtually identical with the exception of the colors offered and the size of the rolls they come in. I'm sorry you are too thick to understand that. Now go ahead tell me I'm wrong and quote things from the website which do nothing to prove anything.

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Old 01-21-2013, 06:09 PM
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I would have provided the complete response but my phone wouldn't let me copy the whole email.We have already established that it is a wrap product not a ppf that is the matte finish. Further the uv protection offered as I have already stated is ancillary.But please do post your results.

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