Starbrite Premium Marine Polish With PTEF Premium Marine Polish with PTEF is simply the best polish you can buy. The PTEF polymers provide unmatched protection against UV rays, seal the surface to repel stains and deliver a deep, long-lasting gloss. Application is simple, whether by hand or with a buffer apply, let dry to a haze and wipe off. Use once per year to keep new and restored boats looking their best. Ideal for all fiberglass, metal, glass or painted surfaces. Note if surface is oxidize