Common indicators and problems in the evaluation of ceramic gifts

Common indicators and problems in the evaluation of ceramic gifts: 1. Blank cracks: cracks appearing on the body. 2. Pinhole: Needle-like small holes appearing on the surface of the product. 3. Spots: heterochromatic stains on the surface of the product. 4. Sandwich: the body has lamellar cracks or small flaking off. 5. Color difference: The color on the front of the same piece or set of products is different. 6. Pocked noodles: the small pits on the front of the product. 7. Melting hole: the void formed by the melting of the fusible substance on the front of the product. 8. Missing polishing: the part of the product that should be polished is partially dull. 9. Polishing marks: There are marks of abrasive scratches on the polished surface of the product. 10. Radioactivity: some special elements will produce some harmful rays when the proton splits during the electronic transition. We call this characteristic of the element radioactivity. 11. Water absorption: It is a term used to describe the degree of water absorption of ceramic products. Just as dry clothes will absorb water when immersed in water, ceramic products also have a certain water absorption rate. The lower the water absorption rate, the better the other properties of ceramic products. It is helpful, such as strength, density, etc., which increase in varying degrees with the decrease of water absorption. 12. Wear resistance: Wear resistance is described by the volume of ceramic tile powder ground under a certain force, a certain abrasive, and a certain number of revolutions. The more ceramic tile powder ground, the better the wear resistance. Difference. 13. Antifouling performance: The dirt is stained on the surface of the ceramic, if the easier it is to wash off, the better the antifouling performance. The anti-fouling performance is measured by coating the surface of the tiles with standard pollutants that are prone to traces. After a certain period of time, they are cleaned with different types of cleaning agents to determine the anti-fouling effect of the ceramic tile surface. There is no ceramic that will not be contaminated at all. Therefore, when the ceramic surface is contaminated, we should use a suitable cleaning agent to clean it. Bleaching powder, washing powder, acetone, hydrochloric acid solution, potassium hydroxide solution, etc. are commonly used cleaning agents . 14. Chemical resistance: refers to the resistance of ceramic tiles to chemical substances (such as acid, alkali, salt, etc.). It has good chemical resistance, even if it is in an acidic or alkaline environment for a long time, the ceramic tile will not change. Improve the chemical resistance, you can extend the service life of the ceramic tile in the natural state. 15. Gloss: refers to the strength of the reflective power of the polished surface of the tile. The higher the gloss, the stronger the reflective power, and the more the surface looks like a mirror, which can be seen by light. 16. Surface flatness: refers to the level of the surface of the porcelain white porcelin dinnerware tile. The flatter the surface, the better the paving effect. When the flatness of the tile surface reaches a certain standard, the correct paving will not be arched or sunken.

Nowadays, it is very common for us to utilise in Ceramic Dinnerware Sets. And the quality of is decisive to production efficiency.

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