Ampersand’s Museum Series Claybord features a premium 1/8″ warp-resistant Hardbord core, FSC-certified and sealed with the proprietary Archiva-Seal to guard against yellowing and Support Induced Discoloration (SID). Its acid-free kaolin clay surface is ultra-smooth and absorbent, ideal for diverse techniques such as etching, erasing, layering color, and creating intricate textures. Suitable for an extensive range of mediaincluding acrylics, inks, gouache, watercolor, collage, and printmakingClaybord promotes rapid drying of oils to a matte finish. Crafted sustainably in the USA, this panel offers unparalleled stability and archival quality for professional mixed media work.