Porcelain slab is a high fired ceramic surface much like porcelain tile. Porcelain uses ink jet technology capable of mimicking natural stone, wood, and virtually any look you can dream up. The benefit of Porcelain is that it has a scratch resistant surface and is impervious to chemicals. With score of 7 on the Mohs Hardness Scale it’s one the most durable surfaces on the market making it useful for the outdoors.