PSH Black 540i slip is vitreous stoneware which fires to a deep brown-black at cone 6. When bisquing, keep items apart to avoid discolouration. Not recommended for microwave ware; clay becomes hot.
PSH Black 540i slip is vitreous stoneware which fires to a deep brown-black at cone 6. When bisquing, keep items apart to avoid discolouration. Not recommended for microwave ware; clay becomes hot.
