Requirements for the Preservation And Storage of Cultural Heritage Collections

Author: venusgeng

Apr. 28, 2023

Security & Protection

At this stage, science and technology are developing faster and faster, and people's living standards are rising. People gradually began to pay attention to the development of museums. Museums are places where important historical artefacts are stored and where many important things from the long history of mankind are recorded.


Antiques, also known as cultural relics, antiques, etc., are cultural relics left over from ancient times, including handed down items and unearthed items. It is regarded as the epitome of human civilization and history, integrating the knowledge connotations of history, local chronicles, epigraphy, natural history, identification and science and technology history. After the ups and downs of countless dynasties, the wind of Tibetan play is still unfailing, even hotter. Which has its own infinite charm and unique fun.


Cultural relics are divided into inorganic and organic relics, which have different requirements for temperature, humidity, light, atmospheric environment and biological factors. As different artefacts have different requirements for temperature and humidity, it is important to choose professional equipment that can control both temperature and humidity.


Artefacts are susceptible to environmental factors during conservation, and changes in the environment can cause deterioration or damage. Even when preserved in a museum, outside factors such as temperature, humidity, light, airborne contaminants and pests can slowly damage the artefacts. Environmental factors have become the main cause of damage to artefacts in museum collections.


CNRO will answer some of the requirements for the preservation and storage of cultural heritage collections: as there are many different types of cultural heritage collections, with different textures and properties, the requirements for their preservation are also different. Therefore, it is important to take the necessary targeted measures to preserve and store the collection according to its properties.


1. Temperature and humidity: In order to maintain the collection in good condition over time, suitable temperature and humidity are necessary. Generally speaking, a humidity of 15 to 18°C and a relative humidity of 50 to 65% are appropriate for all kinds of objects. When the temperature is too high, it should be cooled; when the temperature is too low, it should be heated; when the humidity is too high, dehumidification measures should be taken; when the humidity is too low, humidification should be carried out.


Constant Humidity Showcase

Constant Humidity Showcase

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Take the necessary measures for changes in temperature and humidity. In addition, it should be noted that shelves, cabinets, boxes etc. in which collections are placed should not be placed close to the floor or walls. They should be placed at an appropriate height or at a certain distance from the wall, and paintings and drawings hung on the wall should be checked frequently. The walls behind tapestries etc. are not exposed to moisture.


Heritage constant temperature and humidity storage cabinets can meet the requirements of a constant temperature and humidity environment and can effectively store and preserve those precious cultural relics that have research value and significance and require a constant temperature and humidity environment.


Low-oxygen(constant humidity) And Clean Showcase

Low-oxygen(Constant Humidity) And Clean Showcase

2. Harmful gases and dust: Air pollution in modern society is very serious. When trace amounts of ozone are present in the atmosphere, it can oxidise metals such as copper, iron and lead, and fade or discolour the pigments of fabrics, paper and coloured paintings.


Many harmful gases such as coal, spoiled food, hydrogen sulphide (rotten egg smell) gas from toilets are harmful to silver, copper and lead; , paper and leather have a destructive effect and cause corrosion of metals; not to mention the large amounts of carbon dioxide emitted by aircraft, cars, chimneys, coal stoves etc. The air is also often mixed with very fine hard particles which, when combined with moisture, fall on objects and tend to harbour bacteria, moulds and other micro-organisms, which are particularly harmful to collections of all organic textures.


To prevent harmful gases and dust from affecting your collections, keep them in a place with relatively fresh air to reduce the damage that can be caused to them by the smell of smoke and faeces. Take care to clean the room, remove dust frequently with a slightly damp soft rag, clean the room regularly with a hoover, or even enclose the collection in glass or boxes. If possible, use air purification equipment.


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