How do I remove paint sealent?

[Chase361]

Hey guys I have a bottle of blackfire paint sealant from 3 years ago, had about 1/2 bottle left but it's been in the garage for 2-3 summers here in phx,AZ where the garage gets prolly around 120-130. Anyway I put a couple coats on and looked and felt great like glass. A week later look my car into the dealership and they sent it through the wash luckily I don't see any Swirls but the paint isn't smooth or glassy at all. Almost like there car wash stripped off the blackfire so I'm guessing the blackfire isn't good anymore so I tossed it. I bought COLLINITE LIQUID INSULATOR WAX #845 but I want to make sure I get off all the blackfire from two weeks back. I do have 70% alcohol can I just rub the car down with that or should I be ok just putting the colinite on the car?

[AutoApollo]

Isopropyl is good but not 100% effective. If you want to be absolutely 100% sure, do a quick n dirty light polish.

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[Eldorado2k]

Don't rub your car down with undiluted 70% isopropyl alcohol. You have to dilute it 1st, wait for someone to give you the proper advice on that...

[Morrison]

I'm curious as well how products stored in my garage in the Phoenix area are effected by the heat.


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[VeloNYC]

I would advice, but, "you have no more BF".