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GB/T 22363-2008: Paper and board -- Determination of roughness (air leak methods) -- Bendtsen method and print-surf method
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Paper and board -- Determination of roughness (air leak methods) -- Bendtsen method and print-surf method
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GB/T 22363-2008
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Basic data | Standard ID | GB/T 22363-2008 (GB/T22363-2008) | | Description (Translated English) | Paper and board -- Determination of roughness (air leak methods) -- Bendtsen method and print-surf method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y30 | | Classification of International Standard | 85-010 | | Word Count Estimation | 15,114 | | Date of Issue | 2008-08-19 | | Date of Implementation | 2009-05-01 | | Older Standard (superseded by this standard) | GB/T 2679.4-1994; GB/T 2679.9-1993 | | Quoted Standard | GB/T 450; GB/T 10739 | | Adopted Standard | ISO 8791-2-1990, MOD; ISO 8791-4-1992, MOD | | Regulation (derived from) | National Standard Approval Announcement 2008 No.14 (Total No.127) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the use of measuring the roughness of the paper and cardboard Special Health Act and the printing surface method approach. The special law applicable to the particular raw raw roughness value of approximately 50mL/min ~ 1200mL/min paper and cardboard. Does not apply to the end face of the probe will produce significant indentation in the surface of the paper sheet is soft, does not apply to air will penetrate the high permeability of the sheet of paper, or metal rings under heavy paper can be placed flat. Law applies to all printed surface with protective ring surface of the probe to form a good seal of printing paper and paperboard. | GB/T 22363-2008: Paper and board -- Determination of roughness (air leak methods) -- Bendtsen method and print-surf method
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Paper and board. Determination of roughness (air leak methods). Bendtsen method and print-surf method
ICS 85-010
Y30
National Standards of People's Republic of China
Replacing GB/T 2679.4-1994, GB/T 2679.9-1993
Paper and board - Determination of roughness (air leak methods)
Bent Health Act and surface printing method
[ISO 8791-2.1990, Paperandboard-Determinationof
roughness/smoothness (airleakmethods) -Part 2. Bendtsenmethod,
ISO 8791-4.1992, Paperandboard-Determinationof
roughness/smoothness (airleakmethods) -Part 4. Print-surf
method, MOD]
Posted 2009-05-01 2008-08-19 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard specifies the roughness of the Health Law and the present special printing paper and board Determination of surface of GB/T 2679.4-1994 "Paper and
Cardboard roughness assay (Bent roughness Health Act) "and GB/T 2679.9-1993" Paper and board Determination of roughness (the printing surface
Act), "the two standards were integrated.
The standard Bent Health Law Amendment uses ISO 8791-2.1990 "Paper and paperboard roughness/smoothness - Part 2. Bent Health Law";
Printing surface modification method using ISO 8791-4.1992 "Paper and paperboard roughness/smoothness Part 4. printing surface normal."
The standard Bent Health Law and ISO 8791-2.1990 as compared to the only editorial changes, the same technical content.
The standard surface printing method and ISO 8791-4.1992 as compared to, technical differences are. The standard delete ISO 8791-4.1992 in
5.6,5.7,9.5,9.6.1 and Appendix A, Appendix C and Appendix E related content on variable area flowmeter type roughness meter.
This standard also replace the GB/T 2679.4-1994 and GB/T 2679.9-1993.
This standard compared with GB/T 2679.4-1994, the main changes are as follows.
--- Modify the pressure buffering bottle volume and install a predetermined position (1994 Version 5.2; this version 3.3.2);
--- Increased capillary flow meter inspection equipment regulations (1994 edition 5.1.2; 3.3.4 edition);
--- Modify the measuring head and the inner diameter of the connecting pipe length (1994 edition 5.1.1; 3.3.5 edition);
--- Measuring device adds heavy metal mound (see 3.3.7);
--- Remove the 1994 edition 6.3 "Check the probe compression ring is flat" and 8.5 "Determination of compressibility and elasticity";
--- Modified Bent students analyzer maintenance and maintenance (the 1994 edition of Appendix A; this edition of Appendix A);
--- Increasing the calculation method and check the calibration of the air flow calibration values \u200b\u200busing a capillary method (Excerpts Appendix B.2.3 and B.3).
This standard compared with GB/T 2679.9-1993 main changes are as follows.
--- Increased probing predetermined loop length (this version 3.3.5);
--- Hard to modify the requirements described pad (1993 version 5.2.6; this edition 4.3.4.2);
--- Modify the measuring range of the instrument accuracy and measurement system (1993 edition 5.2.6; 4.3.6 edition);
--- Modify the clamping pressure selection rules (1993 version 7.3; this version 4.7.4);
--- Modify the instrument calibration method (the 1993 edition of Appendix C; this edition of Appendix D).
The Standard Appendix A, Appendix B, Appendix C, Appendix D is a normative appendix.
The standard proposed by China National Light Industry Council.
This standard by the National Standardization Technical Committee of the paper industry.
This standard was drafted. China Pulp and Paper Research Institute.
The main drafters of this standard. Zhangqing Wen.
This standard replaces the standards previously issued as follows.
--- GB/T 2679.4-1981, GB/T 2679.4-1994;
--- GB/T 2679.9-1993.
The standard National Standardization Technical Committee commissioned the paper industry is responsible for interpretation.
Paper and board - Determination of roughness (air leak methods)
Bent Health Act and surface printing method
1 Scope
This standard specifies the determination of the roughness of paper and board and law students to use this special printing surface METHOD.
Bent Health Act apply to this special raw roughness value of about 50mL/min ~ 1200mL/min paper and cardboard. Not available for the probe ends
Will face significant indentation in the surface of the paper soft paper, does not apply to air will penetrate the high-permeability sheet of paper, or heavy metal ring
Under the paper can not be laid flat.
Surface printing method is suitable for all surfaces with the guard ring of the probe to form a good seal printing paper and paperboard.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 450 and take samples to an aspect of paper and paperboard samples, positive and negative determination (GB/T 450-2008, ISO 186.
2002, MOD)
GB/T 10739 paper, paperboard and pulp sample processing and testing standard atmospheric conditions (GB/T 10739-2002, eqv ISO 187.
1990)
3 Special Health Act
3.1 Terms and Definitions
The following terms and definitions apply to this standard.
3.1.1
Under specified test conditions and operating pressure, air flow rate measured by the probe annular plane between the paper or paperboard, in milliliters per
Points represent.
3.2 Principle
Insert a specimen is clamped between a plate and a metal ring measuring surface, in a closed space measuring surface through the nominal pressure
1.47kPa air, measured air flow rate and the sample surface measuring between.
3.3 test device
Test apparatus comprising a compressor (A), a pressure of the air supplied to the buffer container (B), having a pressure control means (C),
Meter (D) and a probe (E) (see Figure 1).
Appendix A gives details of this special Health Care and maintenance of the measuring instrument.
Compressor 3.3.1
The compressor shall be capable of generating a pressure of about 127kPa air. If desired, a filter should be installed in order to ensure clean air, free of oil.
3.3.2 pressure buffer vessel
Volume of the pressure buffer vessel shall be not less than 10L, it should be installed between the compressor and the regulator valve.
3.3.3 regulator valve
Meter inlets application regulator valve to control the air pressure, the majority of students in this special instrument provides three interchangeable weight regulator, the air
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