Quality requirements and test methods for newspaper printed matters

This standard specifies the quality requirements and inspection methods for offset newspaper prints. This standard applies to newspaper prints printed by offset printing, and newspapers printed by other printing methods can refer to it. GB/T 14705-1993 Quality requirements and inspection methods for newspaper prints GB/T14705-1993 Standard download decompression password: www.bzxz.net
This standard specifies the quality requirements and inspection methods for offset newspaper prints. This standard applies to newspaper prints printed by offset printing, and newspapers printed by other printing methods can refer to it.

National Standard of the People's Republic of China
Quality requirements and test methods for newspaper printed matters1 Subject content and scope of application
This standard specifies the quality requirements and test methods for offset newspaper printed matters. GB/T 14705 --93
This standard applies to newspaper printed matters printed by offset printing, and newspapers printed by other printing methods can refer to it. 2 Reference standards
CY3 Color evaluation lighting and viewing conditions
3 Product classification
3.1 Monochrome products: During the printing process, only one color is printed on the substrate. 3.2 Multicolor products: During the printing process, two or more colors are printed on the substrate. 4 Quality requirements
4.1 Appearance
4.1.1 The finished product is neat, without obvious streaks, paste or dirty plates. Missing strokes do not affect the meaning of the characters, and there should be no print-through phenomenon. 4.1.2 The text is clear, the field is even, and the color is true. 4.1.3 The center of the page is centered, and the top is slightly larger than the bottom. There are no broken edges, wrinkles, folds, cuts, cuts, or stretching. 4.2 Overprint
4.2.1 For each printing format, the overprint tolerance of the front and back sides shall not exceed 2 in "up and down" and "left and right". 4.2.2 For the same format with two or more colors, the overprint tolerance shall comply with Table 1. 1
Product Type
Two-color Product
Note: The main part refers to the part of the picture that reflects the title, engraving, text, logo 4.3 Ink Color
Main Part
4.3.1 The ink color is based on the header and the small special title. The density is: 1.10. 1-color product
General Part
4.3.2 The ink color of the printing format is uniform. The average density of the words with small positive Song font "\" shall prevail, and the density is: 0.25\. 4.3.3 Multi-color printing The color format shall be based on the printed sample as a reference: the solid color depth shall comply with Table 2. Table 2www.bzxz.net
Yellow (Y)
0. 00~ 0. 60
Approved by the State Bureau of Technical Supervision on November 16, 1993 Magenta (M)
0. 99~-1.19
Cyan (heart)
1. 0---1.20
Black (BK)
1. 0---1. 30
Implemented on July 1, 1994
GB/T 14705—93
4. 4. 1 The dots shall be clear, with a minimum dot area of ​​3%~5%. 4.4.2 The dots must be accurate in angle, free of moire and ghosting. 5 Inspection
5.1 Inspection conditions
Inspection environment temperature: 23±5℃.
Relative humidity: 60% or above.
5.1.2 The light source of the viewing platform complies with CY3.
5.2 Inspection tools and instruments
5. 2.1 Densitometer.
5.2.2 Magnifier, 10~-20 times magnifier for routine inspection, 30~~50 times reading magnifier for quantitative inspection. 5.2.3 Ruler or tape measure.
5.3 Inspection force method
5. 3. 1 Measurement comparison method.
5. 3.2 Instrument measurement method.
5.4 Inspection form
5. 4. 1 Random inspection.
The post office will conduct random inspection.
Additional explanation:
This standard is proposed by the National Technical Committee for Printing Standardization. This standard is under the jurisdiction of the Press and Publication Administration.
This standard was drafted by the People's Daily Printing House, and the main drafters of this standard were Jiang Afu, Li Jianhua, and Zhao Xinmin.
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