Operation CHARM: Car repair manuals for everyone.

Use of the Repair Material (Reference)

Use of the Repair Material (reference)

NOTE: Follow the materials manufacturer's instructions.

The use of a special polyester putty (bumper primer useless type) for PP bumper is described:

1. Filler




Mixing Ratio:




Drying Time:

2. Sanding filler
Spray 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.




Drying Time:

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

Force dry the intermediate coat and top coat.

NOTE: Mix only the amount used while considering the hardened time.