SOHC.co.uk Forums > CB500/550

plastic chainguard renovation

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mickwinf:
My chainguard off Lazarus was a bit battered so sanded it down to a reasonable smoothness but has left the plastic quite dull even when polished with plastic dressing. I don't really want to paint it so has anyone got any tips?

Cb750r:
There’s a few things you could try, the motocross guys often use a heat gun to "refresh" dull plastics. There’s lots of YouTube info on reviving car bumper trim that might help too.

I just had to do a repair on an ABS plastic ski box. I used acetone on a cotton rag to clean the substrate. It slightly melts the top layer and really made the plastic look new. Beware it does  melt/dissolve the ABS so not a soaking wet rag, and not an aggressive wipe down!

Your mileage will vary!

Nurse Julie:
Use a hot air gun to heat it up and it will make the oils come to the surface. Keep the airgun moving along the length of the chain guard.

Moorey:
 Have a look on ytube for vapour finishing abs or whatever plastic it is. Usually its on the mold mark.

McCabe-Thiele (Ted):
It's none invasive - I used a gell revivor.- looks okay Auto Glyn .

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