I working on my gf's wheels and i at first tried aircraft paint stripper but its too cold by me and it didnt work too well at all so im gonna try to sand blast off the old paint. The wheels are aluminum alloy so what kind of stuff should i sand blast with my friend told me to use play sand. What do you think?

cliff notes: What should i use to sand blast aluminum alloy wheels to get the paint of?

 

what kind of wheel are those? and what are the finish?

chrome plated? cc over paint? powdercoated?