(M105) The important points
? Proper priming of the pad (with the product being used)
? Consistent pressure
? Clean or change pads often
[A word of caution - on fresh paint (or paint containing flex agent), there is enough applied force with this method that the paint could 'twist?. Paint twisting occurs when the heat and friction created by the machine, pad, buffing liquid, and applied pressure combine to alter the bond between the paint, primer, or substrate it is attached to] - Kevin Brown
1. The product used is a non-diminishing, heavy cut compound, applied with a 6 ? inch LC CCS Orange Light Cutting or Yellow Cutting flat foam pads with a semi-rigid Velcro? backing plate (to ensure maximum abrasive used over minimum area) and ensure that pad is clean by removing oxidised paint and / or polish debris regularly or replace pad with a fresh one
2. M105 has a very fast working time (10-15 seconds)
3. Like all linear abrasive compounds or polishes, they require a correctly primed pad, to ensure sufficient product, the use of consistently applied pressure to ensure abrasive contact with the paint surface, this ensures consistent surface contact. Linear abrasives require that you work the product until you achieve the desired finish (taking care not to allow the oils / lubricant to dry out).
4. Prime the pad by semi-saturating (80%) the foam and then allow the liquid time to permeate the pore structure of the foam, and then ensure to spread the liquid abrasive uniformly. Keeping the pad flat while applying a constant / consistent pressure; thus ensuring constant paint / polish contact, when the initial polish has been expended replace with 5-6 small sized dots. Keep the pad flat (like you would with a sanding block) while applying constant pressure, the oils in the polish provide the lubrication (like the water does in wet-sanding).Do not allow the pad to ?load-up?
5. Re-wetting (Mequiar?s Final Touch, diluted 1:1 distilled water) the abrasive residue will re-activate the product and provide extended work time. Do not use too much as it will cause the pad / polish to aquaplane; negating the abrasives ability
6. Pad grit number, amount of pressure applied and time will all affect the amount of abrasion achieved. If the initial process doesn?t provide the desired finish, increase the aggressiveness of the process; i.e. use a longer working time, increased pressure, increases the cut of the polishing pad.
7. A normal polishing process will remove approximately 0. 1 Mil (3? (Microns)) A properly primed cutting pad will eliminate most surface scratches and M205 will polish (burnish) the finish
8. Alternative method ? My preference for removing sanding marks or serious paint defects with M105 is in combination with a rotary buffer and a LC Purple foam / wool cutting pad
9. Alternative polish - 3M Perfect-It? Rubbing Compound (6085)
10. M105 tends to leave scratches that are similar to scratches from finishing paper, i.e. uniform size and depth. Use M205 Ultra Finishing Polish to remove them; prime the finishing pad as previously discussed, then using a non-abrasive, soft foam (100 PPI) pad at 900-1000RPM and then increase to 1200-1500RPM and then with a minimum of pressure make few passes at 1000 / 900RPM.
11. [When I finish with M205 I usually use a 15-20 second pass, that's it. You cannot refine the finish by working the product longer as you can with a diminishing abrasive. In fact over working the polish will start to erode the quality of the finish that you are leaving, instead of enhancing it.] Todd Helme TH0001
An extract from ?Polishing Paint (Surface Correction / Renovation) ?, one of a series of 118 unbiased ?The Science of Detailing? technical papers, a library of educational materials that has become the #1 reference for car care on the Internet
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