99 Things about ceramic mug Making - nine

73, glaze glaze ------ with a certain high temperature of the pigment or decal paper made from it, in the glaze or products on the glaze surface decoration, glaze burning at the same temperature or close to the temperature, the pigment sunk and fused in the glaze decoration method.

74. Underglaze color ------ A decoration method of using underglaze pigment or decal paper made from it to decorate the surface of blank, plain burning blank and glaze blank, and then cover a layer of glaze with high temperature firing.

75, porcelain ------ ceramic products, the body vitrification or partial vitrification, water absorption rate is not more than 3%, a certain light transmittance, fine cross-section is shell-like or stone, knock sound crisp products.

76, fine porcelain ------ The use of good quality raw materials, after careful processing to get a fine body, smooth glaze, water absorption rate is not greater than 0, 5% of a class of porcelain.

77, feldspar porcelain ------ billet with feldspar as the main flux of three component feldspar - quartz - kaolin porcelain.

78. Sericite porcelain ------ sericite-quartz-kaolin three-component porcelain with sericite as the main flux.

79, pottery ------ a kind of ceramic products with a basic sintered body, not dense, water absorption rate of more than 3%, no light transmittance, rough section and no light, knocking sound turbidity.

80. Lead and cadmium leaching amount ----- The amount of lead and cadmium leaching after the acidic medium soaking the contact surface of ceramic products and food.

81, particle distribution ------ The percentage by weight of different particle grades in a powdery or granular material.