how does one use poly flex?

[flatsixcrazy]

Hi Len,
The poly flex that you are selling, how does one use it to fill up the scratches in plastic bumper covers?. Do we use it in the similar manner as other fillers?. Thanks. Andy

[Roch_Greg]

Yes, it's a body filler but made for use on plastics instead of steel.

[Len]

Hi Len,
The poly flex that you are selling, how does one use it to fill up the scratches in plastic bumper covers?. Do we use it in the similar manner as other fillers?. Thanks. Andy

When Poly-Flex hardens it stays a little flexible. Just clean the surface well and, if possible, run a little 80 grit sandpaper in the scratch or low area to help with adhesion. Level it like you would any filler and top coat with primer and paint that has a flex additive added. Poly-Flex is for use on plastics or any surface that can flex and where standard filler could crack.

[flatsixcrazy]

Thanks guys. Will I need adhesion promoters for painting plastic?. Does the adhesion promoter goes on before the poly flex or after the poly flex and before the high build primer?. Andy

[Len]

If the plastic is already painted then adhesion promoter is not required. However if you are priming or painting bare plastic then adhesion promoter is advisable. AP is not needed for Poly-Flex as long as the surface has some tooth (sanded) so that the putty can grab the surface.