Bone china manufacturers: Are bone china tableware really free of lead and cadmium?

Bone china manufacturers: Are bone china white porcelin dinnerware really free of lead and cadmium? Everyone knows that many bowls and white porcelin dinnerware used in daily use exceed the standard. It is said that 80% of the domestic dishes are substandard. Bone china is a ceramic product, and its production process is designed to the raw materials, firing process and paint method. The raw material bone china must be lead-free, so it is designed to apply paint after glaze. From the perspective of paint application: there are three types of bone china, overglaze color bone china, in-glaze color bone china and underglaze color bone china. (Over-glaze, mid-glaze and underglaze craftsmanship. Lead and lead-free have nothing to do with whether it is bone china or not, but it has something to do with the on-glaze craftsmanship. The investment in the production process basically determines the quality of the product. Bone china tableware On-glaze color pigments basically contain lead, and heavy metals will vaporize when heated, but because there are closed links in the production process, the vaporized heavy metals will cool down in a certain part of the production process, and then there will be re-pollution. The production process is very important. The manufacturers with weak production capacity are basically struggling to survive and are unable to improve the production process to improve quality. On-glaze pigments are basically lead, and now they have also developed lead-free on-glaze pigments. But the price is high. The current in-glaze and under-glaze bone china are the safest. They are lead-free in the high-end bone china industry, and the price is relatively high. Most of the on-glaze bone china products from wholesale dinnerware suppliers are in There is lead discharge during the barbecue process. In addition, now bone china has basically used lead-free glaze, making bone china a real green white porcelin dinnerware, so please rest assured to use it, and be sure to pay attention to the manufacturer and brand when buying, because some small factories do not Capable of discharging lead.
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