acrylic primer

Krylon, They make both a gray and white primers. You can find it at any hardware store.

i use gunze zangyo off white as a primer and works great to me!

My Best Regards
Hector.

n525fl; i use varsity automotive gray, white found at pepboys. with plsticote auto acrylic paint. works for me. does not it plastic.

goodluck. spacetrk18

TAMIYA has two plastic kit primer marketed as SURFACE PRIMERS. comes in two colors WHITE and LIGHT GRAY. If the model im painting is white or other color I use the LIGHT GRAY. if parts of the model that will be painted with clear colors such as nav light I use WHITE.

NOTE: Why WHITE for Nav lights? clear red/green/blue is easier to paint on a white background because they are thinner than other paint colors.

Hope to have helped ya!
Buddha

In the UK a car parts company called Halfords market acrylic primers in white & grey for spraying the plastic parts on cars. both colours are excellent, in fact the grey is close to one of the USAF grey's & saves a top coat!. They don't harm the plastic & highlight any faults in the surface beautifully.