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Pulished on May. 30, 2024
Do you know the ceramic tableware you buy? Today let's focus on one of the ceramics, reinforced porcelain.
Durable china is a best-selling daily porcelain, its weight is lighter than stoneware; thinner than stoneware, high-temperature structural strength of porcelain tires in the firing process, firing deformation is small. Meanwhile, it is not easy to break the rim, durable features, quite popular with consumers.
All made of high-strength ceramic can be called durable china or reinforced porcelain. Domestic and foreign reinforced porcelain material has a variety of types, has developed and produced high aluminum, high silica, magnesium or the introduction of white mica, apatite, titanium oxide and other raw materials to strengthen the reinforced ceramics, but in general, the most common or high-aluminum and high-silica reinforced porcelain.
Reinforced porcelain is the most suitable for high-grade hotels and restaurants, which in addition to the general characteristics of high-grade fine porcelain, but also has a unique high strength, acid and alkali resistance, easy to wash the performance of the kitchen work, withstand the collision, not easy to be damaged, suitable for mechanical washing, microwave ovens, electric ovens to use, is the most ideal in the restaurants and modern families.
1. Check the quality of its appearance. Observe the physical quality of the product in person, which may be difficult to achieve for most buyers imported from abroad, but for insurance purposes, it is recommended to buy a few samples of the same quality from the seller to actually observe the quality of the product before buying in bulk.
Plate, bowl products, can be several pieces of the same size of the product stacked together, observe the distance between them, the distance is not uniform which measns the type is not regular and deformed. A single product can be placed flat or back button in the glass plate to see whether the glass plate is deformed or not.
2. Pay attention to the lead dissolved, cadmium dissolved: This is very small or almost none for color-glazed and underglazed products, so you can buy them with peace of mind. But it is recommended to pay more attention to on-glazed porcelain, and you can refer to the following methods:
(1) For food utensils, should be used those with less decorative patterns.
(2) Purchase should also pay attention to whether the pattern color is bright, if not bright, may be the temperature when make decals does not meet the requirements and the amount of lead or cadmium dissolved in such products tend to be higher.
(3) Pay special attention to those products that the patterns can be wiped off by hand, the majority of such products or cadmium dissolved in the amount of lead is extremely high, should not be purchased.
(4) For products that you are not sure about, use vinegar (the concentration of acetic acid used in the test of lead dissolution and cadmium dissolution is basically the same as that of vinegar). Soak for a few hours, if you find a significant change in color should be discarded, most of them are not safe for food use.
(5) Labeled for decorative products, do not use for food.
In addition, when you want to choose microwave oven products, you should avoid products with metal decorations, such as with gold, silver, or with gold flower paper, metal wire, metal wire inlaid pattern of the product.
