1. Main types of materials used
The basic definitions of materials intended to come into contact with foodstuffs, products and beverages for human and animal consumption are given below.
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Glass
Inorganic, non-metallic material, obtained by complete fusion of raw materials at high temperature, into a homogeneous liquid which then cools to a rigid state, essentially without crystallization. Glass objects can be plain or decorated.
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Ceramics
Mixture of inorganic materials, usually with a high clay or silicate content, possibly with small amounts of organic matter added. Ceramic objects are first formed and the resulting shape is permanently fixed by firing. They can be glazed and/or decorated.
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Main types of materials used