Srubek Cone 10 Grolleg (Aka 25) is a premium porcelain clay formulated exclusively with Grolleg kaolin, free from ball clay. Known for its exceptional purity and refined texture, this clay embodies the Arita Style porcelain developed by Jim Srubek, a distinguished educator who taught at the University of New Mexico. With a formula of 2-5, Srubek delivers a smooth, white, and highly workable material ideal for high-fired porcelain creations. Whether you’re crafting intricate fine china or elegant sculptural pieces, this kaolin-based porcelain ensures superior quality and a sophisticated finish.