Operation CHARM: Car repair manuals for everyone.

Use of the Repair Material

Use of the Repair Material

NOTE: Follow the materials manufacturer's instructions.

The use of a special polyester putty for PP bumpers is described here:







1. Filter
2. Sanding filler
Spray the bumper primer on the area where the PP material was used.

3. Primer surfacer
The primer surfacer is used to protect the PP resin surface and fill cavities or flaws before the intermediate coat and top coat.

Use the 2-component type primer surfacer (gray).




Mixing Ratio:

4. Intermediate coat and top coat
Use the 2-part polyester urethane top coat.
Top coat is also used for an intermediate coat.




Mixing Ratio:

NOTE: Be sure to mix the correct amount of the hardener and softener.

NOTE: Use a spray gun to apply the paint. Do not use a brush.




Drying Time:

Force dry the intermediate coat and top coat.

NOTE: Mix only an amount that can be used before it hardens.