Ceramic glazing refers to the application of glaze slurry on the surface of the formed ceramic coffee mug body. Why do we glaze ceramics mug? That is because glazing can not only beautify the surface of the ceramic to make it smooth, protect the decoration under the glaze, but also enhance the strength of the body, reduce the service life of the oxidation reinforced ceramic, and the high density of the glaze layer can also prevent water seepage and air permeability. There are not only various kinds of glazes, but also different glaze application methods for the blank body with different thickness and shape. The following is a detailed description of the ceramic glaze method.
The methods of applying glaze include dipping glaze method (dipping glaze method), pouring glaze method (swinging glaze method), pouring glaze method (pouring glaze method), brushing glaze method, spraying glaze method (blowing glaze method), sprinkling glaze and so on.
Methods of glazing Ceramic
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Dipping glaze method
Dipping glaze method is the most basic glaze application technique, which is not suitable for large stoneware color changing mug. The glaze dipping method needs to prepare more glaze slurry. Put the glaze slurry in an oblique way and dip the glaze for 2 to 3 seconds. The time should not be too long, otherwise it is easy to cause soft collapse of the body. The glaze dipping method can make the glaze of the body evenly distributed and save time and trouble. In Ming and Qing Dynasties, this method was often used to apply glaze, but because the glaze slurry could not reach the bottom of the ware, the bottom of the porcelain was exposed.
glaze method
The glaze method is the swinging glaze method, which is suitable for the blank body with a small mouth and a deep belly, such as a small mouth bottle. Inject the glaze slurry into the body of the body, swing up and down to make the glaze slurry evenly hung on the body, and then pour out the excess glaze slurry, and then continue to rotate the body to make the mouth of the body without residual glaze slurry. Do not swing the glaze more than two times, otherwise it is easy to produce bubbles. Swing speed should be fast, otherwise it is easy to cause the body soft collapse.
Hand glaze method
Handheld and pour glaze method for small objects can be directly above the glaze slurry container glaze, pay attention to the glaze slurry flow to flow into the glaze slurry container, for larger shape of the blank need to iron net is placed in the glaze slurry container or timbering, put objects on top of glaze, large body usually takes two people cooperation, the two methods agree to make the glaze on the body.
brush glaze method
Brush glaze, also known as glaze, is to use a brush or brush dipped in glaze paste coated on the ceramic body, suitable for small area of smear (local glaze or fill glaze), painting with glaze, the same body with different glaze or rectangular angular objects such as porcelain plate painting. Brush glaze should pay attention to different glaze color brush thickness and uniform body glaze, should not be repeated brush, otherwise easy to cause deglaze. If the porcelain is stuck on the bottom of the glaze slurry, need to pay attention to sponge wipe or scrape with a scraper, this is scraping the bottom.
spray glaze method
Spray glaze method is also known as blowing glaze method, that is, the use of spray gun or spray device to spray the glaze slurry atomized to the surface of the body. According to the different glaze, the number of times need to spray glaze is also different, at least several times, more than 17, 18 times, so as to achieve multi-color glaze and thicker glaze layer. Spray glaze method is suitable for large body, thin body, the bottom of the body should be sprayed to avoid the flow of glaze, check whether the glaze layer of the body is uniform, according to the situation of the glaze and scraping the bottom. Manual use of the spray glazer to blow the glaze should pay attention to blowing the glaze to blow out the granular shape.
sprinkle the glaze
Sprinkling glaze is also called twisted glaze, wine color, is in the body has applied a glaze, or with the help of porcelain tools - turntable, while turning the turntable to sprinkle another glaze on the body or directly rotate the body to sprinkle another glaze, there are two kinds of full glaze and local glaze. Because of its production, it is known that the state of art it presents is very random, the pattern may be lines, spots or network.
