Flak­ing Paint Job

I’m us­ing poly­car­bon­ate paint for my car bod­ies, but I’m still hav­ing trou­ble with it flak­ing off. Why won’t it stick?

RC Car Action - - TECH CENTER -

When the body is pre­pared and painted cor­rectly, you shouldn’t run into prob­lems with the paint flak­ing off. As far as prep­ping the body, you should al­ways lightly scuff it with a Scotch-brite pad to give the paint a sur­face to stick to and clean it well with soap and wa­ter to re­move de­bris like oil and mol­drelease residue. This prep will al­low the paint to ad­here with a strong bond and elim­i­nate flak­ing later on. And when you paint the body, it’s im­por­tant to use sev­eral thin coats of paint with ad­e­quate dry­ing time in be­tween coats. Thin coats dry more evenly and cure with bet­ter ad­he­sion than us­ing thick coats, re­sult­ing in more stick­ing power and less po­ten­tial for flak­ing.

Thor­oughly wash­ing your body with soap and wa­ter af­ter scuff­ing will en­sure that the paint bonds strongly.

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