Sensitive organic materials require a controlled and stable environment particularly in regard to relative humidity and lighting levels. This can only be achieved in high conservation specification showcases such as this Inca case which has an air change rate of less than 0.1 air changes per day and passive RH control facility - Louisville Science Centre, Kentucky

The Showcase Environment

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Objects on display may deteriorate if the right conditions are not maintained within the showcase and gallery.
The major causes of damage are:

Variation and extremes of temperature and humidity

Chemical pollution

Inappropriate lighting

Construction Materials and Finishes

Inert materials such as glass, aluminium and steel are suitable for showcase construction more