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Textiles -- Test methods for nonwovens -- Part 2: Determination of thickness
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Basic data
| Standard ID | GB/T 24218.2-2009 (GB/T24218.2-2009) |
| Description (Translated English) | Textiles -- Test methods for nonwovens -- Part 2: Determination of thickness |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | W04 |
| Classification of International Standard | 59.080.30 |
| Word Count Estimation | 6,694 |
| Date of Issue | 2009-06-19 |
| Date of Implementation | 2010-02-01 |
| Quoted Standard | GB/T 6529 |
| Adopted Standard | ISO 9073-2-1995, MOD |
| Regulation (derived from) | National Standard Approval Announcement 2009 No.9 (Total No.149) |
| 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 test methods for conventional and fluffy kind nonwovens thickness measured under some pressure. |
GB/T 24218.2-2009: Textiles -- Test methods for nonwovens -- Part 2: Determination of thickness
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
.. Textiles Test methods for nonwovens Part 2. Determination of thickness
ICS 59.080.30
W04
National Standards of People's Republic of China
Test methods for nonwovens textiles
Part 2. Determination of thickness
(ISO 9073-2.1995, MOD)
Posted 2009-06-19
2010-02-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 24218 "textile non-woven fabric test method" is divided into the following sections.
--- Part 1. Determination of mass per unit area;
--- Part 2. Determination of thickness;
--- Part 3. breaking strength and elongation measurement (strip method);
--- Part 5. Determination of resistance to mechanical penetration (ball burst method);
--- Part 6. Determination of absorption;
--- Part 8. Determination of liquid penetration time (simulated urine);
--- Part 10. Determination of Luoxu;
--- Part 11. Determination of overflow traffic;
--- Part 12. Determination of compression of the absorbent;
--- Part 13. Determination of liquid repeatedly through the time;
--- Part 14. Determination of wet coating material return amount;
--- Part 15. Determination of permeability;
--- Part 16. Determination of resistance to water (hydrostatic method);
--- Part 17. Determination of water permeability (spray impact method);
--- Part 18. breaking strength and elongation measurement (Grab method);
Determination of resistance to saline properties (Mason flask method). Part --- 101.
This section GB/T 24218 Part 2.
GB/T 24218 "textile non-woven fabric test method" section above (except section 101) with the ISO 9073 series of standards
Corresponding to the section.
And ISO 9073 Part 4, Part 7 and Part 9 national standards corresponding to the case as follows.
--- GB/T 3917.3 "Textiles Tear properties of fabrics - Part 3. Determination of tear force of trapezoidal shaped test specimens" (GB/T 3917.3-
1997, eqvISO 9073-4. 1989);
--- GB/T 18318.1 "Textiles - Determination of flexural properties - Part 1. slant Law" (ISO 9073-7.1995, MOD);
--- GB/T 23329 "Textiles - Determination of fabric drape" (GB/T 23329-2009, ISO 9073-9.2008, MOD).
The partial modification using ISO 9073-2.1995 "Textiles nonwovens Test methods - Part 2. Determination of thickness."
This section according to ISO 9073-2.1995 redrafted with ISO 9073-2.1995 main differences are as follows.
--- Deleted introduction;
--- Normative references in the international standard to replace the corresponding national standards, canceled the ISO 186 references;
--- Chapter 6 sampling methods modified to delete the note;
--- Remove the test report of the "humidity atmosphere" and "reference sample description."
This part is proposed by the China Textile Industry Association.
This part of the National Standardization Technical Committee on Basic Standards Subcommittee Textiles (SAC/TC209/SC1) centralized.
This part mainly drafted by. Southern Textile Industry Science and Technology Test Center, Textile Industry Research Institute of Standardization.
The main drafters of this section. Zhang Minjie, Dong Xiang, shall Ophelia, Siying.
Test methods for nonwovens textiles
Part 2. Determination of thickness
1 Scope
This section GB/T 24218 specifies the test methods for class conventional and fluffy nonwoven fabric thickness measured at a certain pressure.
2 Normative references
The following documents contain provisions which, through reference GB/T 24218 in this section constitute provisions of this section. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
GB/T 6529 Textiles The humidity and atmospheric testing standard (GB/T 6529-2008, ISO 139.2005, MOD)
3 Terms and Definitions
The following terms and definitions apply to this part of the GB/T 24218 of.
3.1
When pressure is applied to increase from 0.1kPa to 0.5kPa, the rate of change of thickness reaches or exceeds 20% of the non-woven fabric.
3.2
The distance between the both sides of the nonwoven fabric, i.e. the measurement of the nonwoven fabric is placed and parallel to the reference plate and the pressure nonwoven Bushi Jia
The distance between the presser foot.
Principle 4
The nonwoven fabric sample was placed in a horizontal reference plate by applying a predetermined pressure on the sample and the reference plate parallel to the presser foot, the reference plate and the press
The vertical distance between the feet as a sample thickness.
5 Instruments
5.1 For conventional type non-woven fabric
5.1.1 two horizontal circular plate, the presser foot (circular plate) and reference plate (a circular plate) components. The presser foot can be moved up and down, and with the reference plate
Parallel to the presser foot surface area 2500mm2; a reference plate surface diameter greater than the diameter of at least the presser foot 50mm.
5.1.2 measuring device can display the distance between the presser foot and the base plate, the indexing is 0.01mm.
5.2 For a maximum thickness of 20mm fluffy non-woven fabric type
Note. Figure 1 lists the appropriate test device.
5.2.1 Vertical reference plate, an area of \u200b\u200b1000mm2; presser foot, an area of \u200b\u200b2500mm2. The sample is suspended vertically in the base plate and the press
Between the feet.
5.2.2 elbow lever, there are two equal length of the lever arm, and the associated reference plate. When the balance was not put (5.2.4), the other by a corresponding balance
Was making an elbow lever exerts a small force on the left to reach equilibrium. Elbow lever geometry of the need to make the balance was provided 0.02kPa
pressure.
...
