I want to get the underbody protection stripped off my car for restauration work. While chemical removal or sand-blasting are options, I heard that dry-ice blasting is the best way to get this done. Doeas anyone know of a specialist in Scotland who can offer that service?
I've not heard of dry ice blasting. However if you lob a load of dry ice in your car's floor, it becomes *very* easy to scrape underseal off as it sets very hard. Fairly common in racing circles.
That's how dry-ice blasting works. Small pellets of dry ice are blasted onto the underseal and get thrust into crevises and cracks, where they rapidly evaporate. The expanding gas then lifts the underseal from the steel. The evaporation also causes lokal cooling, so the metal contracts and the underseal gets more brittle, producing more cracks. Apparently it's pretty easy to strip the underseal that way, especially because you don't have to remove any pipes or cables, even paintwork remains untouched. Minimum preparation work, just lift the car give it a blast and it's ready for a fresh coat of underseal. That's what I am looking for.
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