Thread: Discussion Dow Blue FFF clear plastic film
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Old Sep 20, 2009, 02:28 PM
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Orlando, Florida
Joined Nov 2004
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I leave it on, except for glue joints (as mentioned) and on the inside of flexed or curved pieces to allow the foam to compress in the bend. For instance, using BluCore (with skin on both sides) I peal the inside of the top wing so the curved top can be formed, same with thin side of a rolled fuselage. The skin really helps increase the panel strength. Acrylic paint sticks fine to the waxy skin, but to make it stick a little better you can clean it first with alcohol, which will also take off the black print. And a little light spackle on your finger run over the little vent holes in the skin, followed by some light sanding, makes it a fine exterior surface.

If you plan on glassing, though, you might as well remove all the skin, as the foam is easy to sand and the exposed foam is better to bond or glass to.

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