GB 12983-1991 National flag color standard sample

GB 12983-1991 National Flag Color Standard Sample GB12983-1991 Standard download and decompression password: www.bzxz.net

National Standard of the People's Republic of China
Standard color sample of national flag Subject content and scope of application
GB12983-91
This standard specifies the use of cotton, Technical requirements for the size and chromaticity of national flag color standard samples made of silk and synthetic fiber fabrics. This standard is applicable to the production of national flag color standard samples. 2 Reference standards
GB3979
GB8424bZxz.net
Measurement method of object color
Measurement method of textile color and color difference
GB12982
National flag|| tt||3 Technical requirements
3.1 Dimensions
The dimensions of the national flag color standard sample are shown in Table 1. Table 1
length
height
inch, cm
30||tt| |20
Note: The dimensions shown are the main dimensions of the finished product, excluding hems and flagpole covers. 3.2 Chroma
The chroma regulations of national flag color standard samples are shown in Table 2. Table 2
cotton
containing fiber
fiber fabric
flagpole cover
month|| tt||red
yellow
yellow
yellow
stimulation value Y10|| tt||%
78.0||tt| |Chroma
Coordinates
The allowable error
is a positive deviation of 2.5% of the size
The allowable error
are all
ARh≤1.3
equivalent to textiles
Color difference 4~5 levels
stimulation value Y. Not less than 78 (%)
3.3 The chromaticity data in Table 2 are calculated based on CIE standard illuminant Ds and CIE1964 supplementary standard chromaticity system. 3.4 The flag pattern, plate-making positioning, flag appearance evaluation and dyeing fastness requirements of the national flag color standard sample shall comply with the GB12982 regulations, approved by the State Bureau of Technical Supervision on 1991-05-25 and implemented on 1991-12-01
4 Test methods
GB12983-91
4.1 The dimensions of the national flag color standard sample shall be measured using qualified measuring tools with an accuracy of not less than 0.5%. 4.2 The chromaticity measurement of the national flag color standard sample shall be carried out in accordance with the provisions of 3.1 and 3.2 in GB3979. 4.3 The chromaticity measurement results of the national flag color standard sample are expressed according to the provisions of 5.1 in GB3979, that is, the measured values ??are expressed by the stimulus value Y1o and the chromaticity coordinates 210 and 910.
4.4 The measurement of the color difference of the chromaticity value of the national flag color standard sample is carried out in accordance with the provisions of 4.2 in GB8424 and A2 in Appendix A. 5 Testing Rules
5.1 The inspection of the chromaticity requirements in the national flag color standard sample must be carried out in accordance with the provisions of 4.2, 4.3 and 4.4 in the test method. Those whose results do not meet the standards shall not be used as standard samples and shall not be issued. 5.2 The national flag color standard samples owned by national flag manufacturers and supervision departments have a use period of two years. If they exceed two years, they must be submitted for inspection. If the chromaticity value does not meet the standard requirements, they shall not be used. 6. National flag color standard samples need to be stored in special packaging boxes, sealed, moisture-proof, and protected from light. 7. The standardization administrative department of the State Council is responsible for the production, issuance and supervision of the national flag color standard samples. Additional notes:
This standard is proposed by the State Administration of Technical Supervision. This standard is drafted by the National Color Standardization Technical Committee. The main drafters of this standard are Zhu Daqi, Jing Qicheng, Shen Xinshu, Sun Xiuru, Lin Zhiding, Lu Yao, Li Yazhang, and Lin Zhongxian.
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