I believe that everyone has bought fake goods on Taobao, and after receiving the goods and taking them apart, they will be very angry. The anger is so intense that it cannot be described in words. In real life, we are all afraid of buying fakes, so we need to know some skills and identification methods. The same is true when buying ceramic tiles to decorate a house. Nowadays, there are many ceramic tile brands in the market, and consumers will inevitably buy bad ceramic tiles. Then, before buying ceramic tiles, we must knowceramic tile quality standards and regulations Whats are there? Let’s take a look together next!
The quality standards for ceramic tiles include the following:
1. The average allowable deviation of each brick (2 or 4 sides) relative to the working size is plus or minus 1mm.
2. The allowable deviation of edge straightness, right angle and surface flatness of polished tiles is plus or minus 0.2%, and the maximum deviation does not exceed 2mm.
3. Surface quality: Excellent product: At least 95% of the bricks have no defects when viewed vertically from a distance of 0.8 meters; Qualified products: At least 95% of the bricks have no defects when viewed vertically from a distance of 1 meter.
4. The average water absorption rate is not greater than 0.5%, and the individual value is not greater than 0.6%.
5. Destruction strength: a thickness is greater than or equal to 7.5mm: the average destruction strength is not less than 1300N; B thickness is less than 7.5mm; the average destruction strength is not less than 700N. The average fracture index is not less than 35MPa, and a single value is not less than 32MPa .
6. Earthquake resistance: No explosion or cracks will appear after 10 thermal shock tests.
7. After the glaze crack resistance test of glazed ceramics, the glaze surface has no cracks or peeling.
8. Frost resistance: The ceramic has no cracks or peeling after the frost resistance test.
9. The glossiness of polished tiles is not less than 55.
10. Wear resistance: The deep wear resistance volume of unglazed tiles is not greater than 175mm3; the surface wear resistance of glazed tiles used for paving reports wear registration and number of revolutions.
So, you see, there are 10 of these standards and specifications alone, so, if you want to buy good ceramic tiles, you need to understand these porcelain tile quality standards. Okay, the above is the content of today’s sharing. Zhongtao Jun will go ahead and take a closer look. Bar! You won’t get into trouble when buying bricks.
