A kind of Langhong ceramic glaze which can be in contact with food and preparation method thereof
A food contact and ceramic glaze technology, applied in the field of Langhong ceramic glaze and its preparation, can solve the problems of high firing difficulty, low yield, excessive migration of harmful elements, etc. Effect
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Embodiment 1
[0032] A Langhong ceramic glaze that can be in contact with food is composed of a bottom glaze and a top glaze. Stone powder 6%, magnesite 7%, cold water stone 12%, zinc oxide 1%, titanium dioxide 13%;
[0033] The mass percentage of raw materials for the surface glaze: 14% quartz, 8% kaolin, 52% Chenwan glaze fruit, 6% Sanbaopeng porcelain stone powder, 5% burnt talc, 13.2% coral powder, 0.5% copper oxide, and 1.3% cassiterite powder.
[0034] The preparation method of the Langhong ceramic glaze that can be in contact with food is characterized in that it comprises the following steps:
[0035] Step 1: mix the bottom glaze raw materials and top glaze raw materials according to their respective raw material composition percentages, put them into a ball mill for wet ball milling, and sieve to obtain glaze slurry for bottom glaze and top glaze respectively;
[0036]Step 2: Apply 0.8mm bottom glaze on the ceramic green body by spraying glaze, dry at 100°C for 3 hours, and then a...
Embodiment 2
[0054] A Langhong ceramic glaze that can be in contact with food is composed of a bottom glaze and a top glaze. Stone powder 5%, magnesite 6%, cold water stone 11%, zinc oxide 1%, titanium dioxide 12%;
[0055] The mass percentage of raw materials for the surface glaze: 14% quartz, 8% kaolin, 52% Chenwan glaze fruit, 6% Sanbaopeng porcelain stone powder, 5% burnt talc, 13.2% coral powder, 0.5% copper oxide, and 1.3% cassiterite powder.
[0056] The preparation method of the Langhong ceramic glaze that can be in contact with food is characterized in that it comprises the following steps:
[0057] Step 1: mix the bottom glaze raw materials and top glaze raw materials according to their respective raw material composition percentages, put them into a ball mill for wet ball milling, and sieve to obtain glaze slurry for bottom glaze and top glaze respectively;
[0058] Step 2: Apply 0.8mm bottom glaze on the ceramic green body by spraying glaze, dry at 100°C for 3 hours, and then ...
Embodiment 3
[0076] A Langhong ceramic glaze that can be in contact with food is composed of a base glaze and a surface glaze. Stone powder 6%, magnesite 6%, cold water stone 12%, zinc oxide 2%, titanium dioxide 12%;
[0077] The mass percentage of raw materials for the surface glaze: 12% quartz, 6% kaolin, 55% Chenwan glaze fruit, 7% Sanbaopeng porcelain stone powder, 5% burnt talc, 13.6% coral powder, 0.3% copper oxide, and 1.1% cassiterite powder.
[0078] The preparation method of the Langhong ceramic glaze that can be in contact with food is characterized in that it comprises the following steps:
[0079] Step 1: mix the bottom glaze raw materials and top glaze raw materials according to their respective raw material composition percentages, put them into a ball mill for wet ball milling, and sieve to obtain glaze slurry for bottom glaze and top glaze respectively;
[0080] Step 2: apply 1mm of bottom glaze on the ceramic green body by spraying glaze, dry at 120°C for 4 hours, and th...
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