Rust Mica Powder for use in Epoxy, Crafts, Polymer Clay, Candle Making, & more! This Mica Powder is packaged in a easy to use & re-usable jar. Rust Mica Powder is NOT approved for Cosmetic use. Sold by weight. For quantities greater than 1 ounce please contact me to order for additional price breaks. Micron Size: 10-60 Ingredients: Mica, Titanium Dioxide, FD&C Red 40 The Nerdy Birdy reserves the right to choose the shipping method when your order qualifies for free shipping. Rust Mica Powder For Epoxy Crafts