The degree of color stability of hand-made rugs in the world and the world is determined in various ways of view and view. The methods included in the standards referred to as Standard No. 1240 are the standard institution of Iran’s industry demands for the most current purpose. In this regard, it is generally considered as follows: 1 because it usually takes place to determine the characteristics of the price rugs of the trumpet, this should be done according to its agreement. (2) The dispute shall be done in order not to harm the carpet. 3 For example, it is used as if it is not working. 4) Do not perform tests if necessary in the label.