1 Sensory Index
The surface shall be smooth and the enameling shall be well-distributed, without crack openings, scale bursts, shedding porcelains, points of burst , cracks, boiling marks, hole bubbles and black exposing.
2 Physical and Chemical Property Index
The physical and chemical indexes are detailed in the following table.
1 Sensory Index
The surface shall be smooth and the enameling shall be well-distributed, without crack openings, scale bursts, shedding porcelains, points of burst , cracks, boiling marks, hole bubbles and black exposing.
2 Physical and Chemical Property Index
The physical and chemical indexes are detailed in the following table.