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Old Oct 14, 2015 | 01:15 PM
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Default SEM Vinyl Spray

Has anyone had any experience with SEM 15013 landau black vinyl spray? I have used SEM exterior trim paint with excellent results. I want to refresh the interior black plastic in back of the car. In the SEM video their directions include 39362 SEM soap, 38353 plastic prep, 38363 sand-free adhesion promoter prior to applying the 15013. Are all of the prep steps necessary?
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Old Oct 14, 2015 | 01:25 PM
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I've used SEM in the past with excellent results. I did not use their prep products, but can say everything to be dyed must be squeaky clean.


Last edited by Easy Mike; Oct 16, 2015 at 08:12 AM.
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Old Oct 14, 2015 | 04:56 PM
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I redid some hard plastic parts inside my F150 with SEM and have been very happy with how it has held up. I used thin coats to keep the grain visible.
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Old Oct 14, 2015 | 05:32 PM
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Originally Posted by Easy Mike
I've used SEM in the past with excellent resutts. I did not use their prep products, but can say everything to be dyed must be squeaky clean.

I just ordered the spray. I will clean it well with the cleaners I already have and try using the SEM without the multiple primer steps. If I'm not satisfied, I can always re-do it.
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Old Oct 14, 2015 | 06:22 PM
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I used it to paint my center console.
It came out very nice.
Texture still visible through the finishe.
So far very durable.
Marshal
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Old Oct 15, 2015 | 02:00 PM
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I have used it a lot and did all of the cleaning with acetone
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Old Oct 15, 2015 | 02:41 PM
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Re dyed my old ElCamino from Black to light Tan(Fawn). Used all the SEM prep products turned out beautifully
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Old Oct 15, 2015 | 03:46 PM
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Originally Posted by AzMotorhead
Re dyed my old ElCamino from Black to light Tan(Fawn). Used all the SEM prep products turned out beautifully
I know this is a difficult question to answer, but do you think it would not have come out that nicely had you not used all of the prep products. They want you to use their soap, then their plastic prep (both products seem to have the same function), then the adhesion promoter before you get to the vinyl spray. I would like to skip a couple of steps, but I don't want to take short-cuts that may backfire.
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Old Oct 15, 2015 | 08:06 PM
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During the body-off resto of my car, I re-dyed the entire interior the original red. I didn't use SEM dye, but I did use their plastic prep, vinyl prep, and sand free adhesion promoter.

Of those 3 products, I would definitely use the vinyl prep again, as it actually softens the vinyl surface slightly allowing the dye to really get a good "bite". The adhesion results on the vinyl were outstanding; much better than without the vinyl prep.

As for the plastic prep, and the sand free, I wouldn't use them again because in some back-to-back tests of the dye adhesion on hard plastic parts, they made no discernible difference.

As with any coating, the end result will only be as good as the prep. I washed the pieces over and over again in the bathtub with warm water and Dawn soap until water no longer beaded on the surface. Then I wiped them all down with isopropyl alcohol ( 90% or greater ) before spraying first the vinyl prep and then the dye.

Good luck!

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Old Oct 16, 2015 | 09:20 AM
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Originally Posted by 7t2vette
During the body-off resto of my car, I re-dyed the entire interior the original red. I didn't use SEM dye, but I did use their plastic prep, vinyl prep, and sand free adhesion promoter.

Of those 3 products, I would definitely use the vinyl prep again, as it actually softens the vinyl surface slightly allowing the dye to really get a good "bite". The adhesion results on the vinyl were outstanding; much better than without the vinyl prep.

As for the plastic prep, and the sand free, I wouldn't use them again because in some back-to-back tests of the dye adhesion on hard plastic parts, they made no discernible difference.

As with any coating, the end result will only be as good as the prep. I washed the pieces over and over again in the bathtub with warm water and Dawn soap until water no longer beaded on the surface. Then I wiped them all down with isopropyl alcohol ( 90% or greater ) before spraying first the vinyl prep and then the dye.

Good luck!

Thanks for sharing your experience. Very helpful.
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