So the dealer I do a lot of work for has brought me 2 cars lately that were wet sanded. The first was sanded with 2000 grit wetsanding. I tried my Mothers Heavy Duty Rubbing compound with Yellow flat cutting pad and was NOT impressed, had to slow hand speed way down and do 3 section passes 2x each section to get all the dull out. Friday he brought me another one and this time he wetsanded with 3000 Meguiars Unigrit. This time the Mothers HDRC did 50% better but there were still spots it didnt get the first passes. It has a 10 of 10 cut rating on the Autopia Compound and polish chart. I dont get it.
When I have used it on paint that wasnt wet sanded I have been fairly impressed by it but it not being able to cut through 2000 and now 3000 sanding marks is VERY DISAPPOINTING to me.,
I also have a boat here for oxidation removal and I started that with the McKees RV Heavy Cut Oxidation remover. Here is the thing I noticed
The Mothers is VERY liquidy and there is barely a grit feel to it between my fingers, The McKees is an almost toothpaste consistency and the grit was very noticeable. Both shaken VERY well and the bottle of Mothers is probably at least 1 year newer than the McKees.
Anyone have opinions on this AND anyone have a recommendation for a HEAVY compound that is thick and gritty and actually works well in situations like this? I see compounds rated to remove 1500 and 1200 grit sanding marks and I highly doubt that this Mothers will.
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