How can I prevent a rocket painted white from yellowing?
From: curcio@telerama.lm.com (LarryC) Future floor polish (it isn’t wax) doesn’t yellow. I find it useful for rockets but… 1) It must be used over some kind of paint or over acrylic gesso. If it seeps into cardboard or wood, the material will become brittle; 2) It will cause dope and (even permanent) Magic Marker color to run. This effect can be used to advantage, but it can also ruin a model if it’s unexpected. Future does not cause enamel paint to run, and may certainly be used to cover decals. Don’t know if the decal will yellow beneath the coating. 3) A glossy finish is not always desirable, and Future yields only a glossy finish. Art stores sell equivalent mixtures that come in gloss or matte finishes. The are called “Acrylic Gloss Medium,” and “Acrylic Matte Medium,” respectively. They are thicker than Future, but they can be thinned with water. 4) Acrylic colors, available in art stores, can be used on rockets, as long as acrylic gesso is laid down first. The colors should be
