Menzerna FG400 or Meguiars 105?

[HUMP DIESEL]

Thank you for the kind words. I am certainly ***NOT*** a Concours level detailer. What these products do is save enormous amounts of time and they are much safer (almost zero heat). All I have is a 3M 5" electric sander nothing fancy. I can wet sand a severely swirled average size hood with 3000 and 5000 in about 20 minutes and be ready for final polishing.

When you try it you will see...ask HUMP if he is a now a believer

I'll lay my hand on the sanding bible!! I AM A BELIEVER!!

I am even thinking of another vehicle that I have that will more than likely get this same treatment.

HUMP

 

[allenk4]

I have a C4 Corvette next month that is in terrible shape.

Wondering if high grit sanding might be perfect for these, easy to overheat SMC (plastic) panels?

 

[HUMP DIESEL]

I would still do a test spot to see what level of aggressiveness you would need, but if it starts to get up there in heavy cut and pad combo, I would try the sanding. You may not have to do the whole car, only parts.

HUMP

 

[TundraPower]

I have a C4 Corvette next month that is in terrible shape. Wondering if high grit sanding might be perfect for these, easy to overheat SMC (plastic) panels?

Use extreme caution. They are not painted the same way as metal panels. Usually extremely thin paint as well. I might try it with 5000 but that's it.

 

[RevitalizeAutoSpa]

Use extreme caution. They are not painted the same way as metal panels. Usually extremely thin paint as well. I might try it with 5000 but that's it.

AGREED! You can burn paint even with a PorterCable and foam pads on plastic panels\fenders\trim.

 

[allenk4]

AGREED! You can burn paint even with a PorterCable and foam pads on plastic panelsfenderstrim.

Planning on 4 Test Spots:

1. Wolfgang TSR Orange CCS Pad

2. Menzerna FG400 Orange CCS Pad

3. Meguiar's D300 with DAMF Cutting Pad

4. Meguiar's D300 with a little M100 with DAMF Cutting Pad


I have compounded plenty of plastic bumpers, but this will be the 1st full SMC body car. I understand that the heat stays where you put it, so to speak and doesn't even itself out within the whole panel.

I will be watching the heat with an handheld IR. Curious that there is little agreement on what temps are "Safe". I have see demos where they get into the 140's F, but elsewhere staying under 110 F is suggested.

I have hit 130 F using CarPro Denim and M105, with no problems

 

[Tector]

Agreed that M105 dusts a lot more. Here's a very in-depth comparison that's pretty awesome:

Ultimate Compound Showdown: Meguiar's M105 vs. Menzerna FG400 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.com

I have both, and couldn't tell you which one I reach for more often. It just depends on too many factors... (level of correction wanted, type of paint working on, what pad I want to use, etc.)

This is a fantastic review. Thank you for posting this. Based on this I think I will order some 105 during the current sale. I already have FG400.