Originally Posted By: MicroMatTech3
Novus 3 contains dipropylene glycol monomethyl ether, according to the MSDS:

http://www.novuspolish.com/msds.html

Dipropylene glycol monomethyl ether is used as a solvent in the dying of polycarbonate:

http://www.patentgenius.com/patent/5453100.html

Hmmm... This,

Quote:
The NOVUS #3 can sometimes cut too deep into the polycarbonate surface and then #2 has a tough time trying to get the light scratches out that NOVUS #3 left behind.

from the response I received from NOVUS Polishes, either contradicts that or indicates lack of knowledge on the writer's part.

I'm nowhere near a chemist and can't make any kind of determination from reading the patent, nor do I care to question the writer's knowledge of a product he represents, but

Quote:
INCOMPATIBILITY WITH OTHER SUBSTANCES: YES   NO   X

from this doc suggests that abrasiveness, as specified by the writer (and speculated by V1), may, in fact, be the correct reason, not DPGM's solvency.

Edit: I'm still waiting for Turtle Wax to advise me about which, if any, of its products is suitable for polishing polycarbonate

Last edited by artie505; 04/02/11 08:45 AM.
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