Porcelain slabs are large-format panels made from refined clay and natural minerals, fired at extremely high temperatures to create a dense, non-porous material. These slabs often come in sizes up to 126" x 63" and are available in a variety of finishes—from marble-inspired veining to concrete and metallic textures.
For More Details : https://primussurfaces.com/porcelain/ https://blogswirl.in.net/view_article.php?id=2406&slug=porcelain-slabs-in-chicago-the-modern-surface-revolution