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GB/T 24218.8-2010: Textiles -- Test methods for nonwovens -- Part 8: Determination of liquid of liquid strike-through time (simulated urine)
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| GB/T 24218.8-2010 | English | 139 |
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Textiles -- Test methods for nonwovens -- Part 8: Determination of liquid of liquid strike-through time (simulated urine)
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GB/T 24218.8-2010
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Basic data | Standard ID | GB/T 24218.8-2010 (GB/T24218.8-2010) | | Description (Translated English) | Textiles -- Test methods for nonwovens -- Part 8: Determination of liquid of liquid strike-through time (simulated urine) | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | W04 | | Classification of International Standard | 59.080.30 | | Word Count Estimation | 6,621 | | Date of Issue | 2011-01-14 | | Date of Implementation | 2011-08-01 | | Quoted Standard | GB/T 6682 | | Adopted Standard | ISO 9073-8-1995, MOD | | Regulation (derived from) | National Standard Approval Announcement 2011 No.2 (Total No.167) | | 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 method for the determination of non-woven fabric coated with the material liquid (simulated urine) breakthrough time. This method is suitable for comparing the performance of the liquid to penetrate the nonwoven fabric coated with a different material. This method can not be simulated on the actual conditions of use of the final product. | GB/T 24218.8-2010: Textiles -- Test methods for nonwovens -- Part 8: Determination of liquid of liquid strike-through time (simulated urine)
---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 8. Determination of liguid of liguid strike-through time (simulated urine)
ICS 59.080.30
W04
National Standards of People's Republic of China
Test methods for nonwovens textiles
Part 8. Determination of liquid penetration time
(Simulated urine)
Part 8. Determinationofliquidstrike-throughtime (simulatedurine)
(ISO 9073-8.1995, MOD)
Issued on. 2011-01-14
2011-08-01 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.
GB/T 24218 "textile non-woven fabric test method" 1 to 18 portions corresponding to ISO 9073 series of standards, in addition to the standard
Registration, the other part of the correspondence with ISO 9073 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, eqv ISO 9073-4. 1989)
--- GB/T 18318.1 "Textiles - Determination of flexural properties - Part 1. slant Law" (GB/T 18318.1-2009,
ISO 9073-7.1995, MOD)
--- GB/T 23329 "Textiles - Determination of fabric drape" (GB/T 23329-2009, ISO 9073-9.2008, MOD)
This section GB/T 24218 Part 8.
The partial modification of the use of ISO 9073-8.1995 "Textiles nonwovens Test methods - Part 8. Determination of liquid penetration time
(Simulated urine) "(in English).
This section according to ISO 9073-8.1995 redrafted, and ISO 9073-8.1995 The main differences are as follows.
--- Deleted Chapter 1 Note;
--- Normative references in the international standard to replace the corresponding national standards, removed the reference to ISO 139 and ISO 186;
--- Deleted 5.1 Note;
--- Increased 5.2 simulated urine surface tension measurement temperature;
--- Reference to ISO 9073-13.2006, adjusted the figure (a) and (b) two sizes of 1;
--- Canceled 8.2 pairs of the humidity of the sample program;
--- Deleted the Chapter 9 of the note;
--- Deleted the Chapter 11 test report c) of the humidity atmospheric conditions.
This part is proposed by the China Textile Industry Association.
This part of the National Standardization Technical Committee based textile branch (SAC/TC209/SC1) centralized.
This part mainly drafted by. Textile Standard (Beijing) Co., Inspection and Certification Center.
The main drafters of this section. Siying.
Test methods for nonwovens textiles
Part 8. Determination of liquid penetration time
(Simulated urine)
1 Scope
This section GB/T 24218 specifies the method for determination of non-woven fabric coated with a liquid material (simulated urine) breakthrough time.
This method is applicable to liquid penetration compare the performance of different non-woven fabric coating material. This method can not simulate the actual making of the final product
Condition.
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 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)
3 Terms and Definitions
The following terms and definitions apply to this part of the GB/T 24218 of.
3.1
Penetration time strike-throughtime
A quantity of liquid flows in a standard liquid-absorbent pad laid nonwoven fabric covering the surface of the material, the time required to penetrate the coating material.
Principle 4
A certain amount of simulated urine under specified conditions, to flow at a constant speed on a standard laying the absorbent pad of non-woven fabric sample, electricity measurement method
Measuring the time required for all of the liquid to penetrate the nonwoven fabric specimen.
5 Materials and Reagents
5.1 standard absorbent pad 5 by a standard filter paper layer (100mm × 100mm) composition, smooth side up, in the case where no sample, measured after 10 times
The average amount of liquid penetration time (3 ± 0.5) s.
5.2 analog urine, formulated NaCl 9g/L in line with GB/T 6682 tertiary water (or deionized water) at (23 ± 2) ℃ under
A surface tension of (70 ± 2) mN/m.
Note 1. Due to storage, the surface tension of the liquid will change, Before each test, the surface tension of the liquid should be tested.
Note 2. Adult Urine surface tension of 69mN/m to 70mN/m. Some low surface tension of infant urine (e.g. 45mN/m). Be able to simulate urine
Adding a surfactant to adjust surface tension. Addition of a surfactant as the difference between this section, should be described in the test report, and show
The surface tension of the liquid.
6 Instruments
6.1 Buret capacity of 50mL, with support frame.
6.2 funnel with solenoid drain valve to control the liquid flow rate (3.5 ± 0.25) s internal flows 25mL.
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