The skill of choosing ceramic basin

What are the skills of choosing ceramic basins

1) Glaze finish, brightness

In the purchase of ceramic basin, first of all, like ordinary white ceramic basin, we should pay attention to the glaze finish and brightness. Good glaze finish and brightness, pure color, not easy to hang dirty dirt, easy to clean, long-term use is still bright as new.

When judging, you can choose to observe from the side of the ceramic basin from multiple angles under strong light. A good glaze should have no color spots, pinholes, sand holes and bubbles, and the surface is very smooth; it has good light reflection and uniformity; you can also touch the surface gently with your hand, and the hand feeling is very smooth and greasy. Another expert suggested that touching the back of the ceramic basin should have a "rusty" sense of slight friction. When choosing, the products of different brands can also be put together for comparative observation, so as to quickly judge the quality of the basin.

2) Water absorption index

The so-called water absorption rate is an index to judge the water absorption and permeability of ceramic products. It is understood that after water is absorbed into the ceramic, the ceramic will expand to a certain extent, and so will the ceramic basin, which is easy to make the glaze of the ceramic surface crack due to expansion. Thus, the lower the water absorption, the better the quality of ceramic products. According to the national water absorption standards, sanitary ceramics with water absorption less than 3% are high-grade ceramics. When purchasing, pay more attention to the manufacturer's instructions and try to choose products with low water absorption.

3) Craft, pattern, color

Most of the high-grade hand-painted basins adopt underglaze color ceramic technology, which is also the best ceramic technology at present. Therefore, attention should be paid to distinguish when purchasing ceramic basins, so as to prevent illegal dealers from passing off overglaze color as underglaze color. Underglaze decoration pays attention to Meticulous Brushwork, must be hand drawn, not printing, decals, and the color should be bright.

What needs to be reminded is that the hand-painted art basin, due to its full manual production, is different from the mass production of machines. The production techniques and styles are different. The effects of the same group of patterns are slightly different. You should observe carefully when buying ceramic basins. In the process of high-temperature firing, the product is made of color glaze. Each product will have a certain color difference, and small cracks will appear on the surface of color glaze. This is the Millennium characteristic of color glaze handmade products, so it will not affect the overall effect.

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