IMERYS 4-K muscovite mica is a dry ground product which is mined and processed in Kings Mountain, North Carolina. Manufacturers specify muscovite mica for applications requiring reinforcement and where greater resistance to moisture, heat, light or chemicals is needed. As a platy mineral, Imerys muscovite mica offers beneficial rheological properties and is chemically inert. Muscovite mica is specified to brighten the tone of colored pigments and to offer decorative effects. These properties render Imerys muscovite micas excellent functional minerals for paint, coatings, joint compounds, plastics, rubber, sound damping, foundry coatings, welding rods and many other applications. IMERYS 4-K mica has a high aspect ratio and is used in a broad range of applications, including: Paint and Coatings: Provides improved barrier properties, assists in adhesion, and reduces cracking and checking.