Glass - Crystal - Ceramics - Glass ceramics - Enamelled objects
Food contact materials - Selection Criteria

Glass is a non-metallic, inorganic material obtained by the complete melting of raw materials at high temperature to form a homogeneous liquid, which then cools to a rigid state, essentially without crystallization. Glass objects can be plain and/or decorated.

Ceramics are a mixture of inorganic materials, generally with a high clay or silicate content, to which small quantities of organic materials may be added. Ceramic objects are first shaped and then...