Porter Cable/Trizact Sanding Stripes

KenRobertson said:
Hi Everyone,

I purchased the Lake Country 5 1/2 Inch Thin Foamed Wool Pads (LC-58-1255B) and tried them with the Perfect It #1 compound. I still can't seem to get a consistent shine even after following up with the Perfect It #2 compound and the thin Lake Country black foam pad.

It just seems for my particular paint job the PC just can't generate enough heat to blend in my Trizact 1500/3000/5000 sanding marks that are left behind. There are no scratches left behind only the trail marks left from the PC and the Trizact pads.

Below is a picture, it may be tough to see. To the left of the tape I have just compounded with (#1) and to the right I compounded and polished with (#2). The right has more shine definitely, but both sides still have area's that contain dull stripes.

At this point I'm feeling my only option is to go and get a rotary polisher unless anyone can shed any light on my issues.

Thanks for reading.


--Ken
Click to expand...

Hey Ken,

The 3M Perfect-it line of Compounds/Polishes are strictly for use on a rotary machine.

Either run the 3M products all by rotary or pick up another line of Compounds/Polishes that are DA friendly to use with the PC.
 
I have a slightly different twist. The Trizact Saning Discs are normally used with a sander and not a Rupes 21 buffer. With the 3' buffers your fine as these typically are abou 3/16 orbit. I would encourage a sander with 5" or 6" Trizact with a 3/16orbit. And use a surge protector.
 
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