THE DESTRUCTIVE IMPACT OF TEMPERATURE AND HUMIDITY SIMULTANEOUSLY ON MUSEUM CARPETS WITH NATURAL COMBINED FIBER (WOOL, COTTON AND SILK)
Abstract. Iranian carpet consists of organic matters of wool, cotton and silk and based on their high
vulnerability against environmental conditions needs exact maintenance. There are some factors with direct effect on carpet destruction as temperature and humidity. Temperature and humidity destroy carpets and they are threats against these works or provide the conditions in which other factors damage the carpets. This is a threat against conservation of these works. Bad climate, the effect of high humidity and temperature can increase the molds and can destroy organic matters including carpets. This study is empirical-analytic. At first, based on museum carpets, the samples are taken and they are under bad temperature and humidity conditions. By different tests, tensile strength tests of length (according to national standard NO. 1147-1 with reference ISO13934-1:1999), tensile strength of width (according to national standard 1147-1 with reference ISO13934-1:1999), lint strength (according to national standard 894, reference ISO4919:1978), color stability with grey criterion (according to national standard 160 with reference ISO105-A03:1993) and color stability against rubbing (according to national standard 204 with reference ISO105-X12:2001), destructions of museum carpets are defined and preventive solutions of museum carpets against temperature and humidity are presented.
Keywords: Silk, Wool, Cotton, Natural combined fiber, temperature, humidity, carpet, museum.
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