Ceramics Composition of ceramicsĬeramics are as variable as the cultures and individuals who created them. Also, objects may have been modified through certain historic uses or due to their burial environment. Both are made from materials that have been altered by heat, but there are variations in their composition that affect their robustness and stability. List of abbreviations CCI Canadian Conservation Institute PDF portable document format RH relative humidity UV ultraviolet Understanding ceramic and glass objectsĬeramics and glass are often thought of as being inert. Examples of preventive conservation practices.General preventive conservation strategies for ceramic and glass objects.Causes of damage to ceramic and glass objects and preventive conservation strategies.Understanding ceramic and glass objects.This section presents key aspects of managing the care of ceramic and glass objects in heritage collections based on the principles of preventive conservation and risk management. Caring for ceramic and glass objects is part of CCI 's Preventive conservation guidelines for collections online resource.