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SN/T 2558.7-2014: Testing method of import and export functional textiles. Part 7: Luminescent properties of luminous fiber
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Testing method of import and export functional textiles. Part 7: Luminescent properties of luminous fiber
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SN/T 2558.7-2014
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Basic data | Standard ID | SN/T 2558.7-2014 (SN/T2558.7-2014) | | Description (Translated English) | Testing method of import and export functional textiles. Part 7: Luminescent properties of luminous fiber | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | W04 | | Classification of International Standard | 59.080.01 | | Word Count Estimation | 8,866 | | Quoted Standard | GB/T 8170; CIE 1931 | | Regulation (derived from) | AQSIQ notification issued in 2014 on the first batch of 230 industry-standard entry-exit inspection and quarantine | | Issuing agency(ies) | General Administration of Customs | | Summary | This Standard specifies the determination of luminous fibers chromaticity coordinates and afterglow of test methods afterglow time. This section applies to the import and export of textile raw materials luminous filament in aluminate system. Other types o | SN/T 2558.7-2014: Testing method of import and export functional textiles. Part 7: Luminescent properties of luminous fiber
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Testing method of import and export functional textiles.Part 7. Luminescent properties of luminous fiber
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Functional Textiles Import and Export Inspection Method
Part 7. Luminous Fiber luminescent properties
Part 7. Luminescentpropertiesofluminousfiber
Issued on. 2014-01-13
2014-08-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
SN/T 2558 "Importers functional textiles test methods" is divided into seven sections.
--- Part 1. UV resistance;
--- Part 2. negative ions;
--- Part 3. iron property;
--- Part 4. antibacterial properties of agar plate method;
--- Part 5. Determination of deodorizing rate detecting tube method;
--- Part 6. water vapor permeability;
--- Part 7. Luminous fiber luminescent properties.
This section SN/T 2558 Part 7.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section proposed and managed by the National Certification and Accreditation Administration Committee.
This section was drafted by. People's Republic of China Jiangsu Entry-Exit Inspection and Quarantine Bureau.
The main drafters of this section. fuel Xu Xia, Wu Ming, Ge Ming Bridge.
Functional Textiles Import and Export Inspection Method
Part 7. Luminous Fiber luminescent properties
1 Scope
This section SN/T 2558 specifies the determination of luminescent fiber afterglow brightness and chromaticity coordinates, afterglow time of the test method.
This section applies to the import and export of textile raw materials luminous filament in aluminate system. Other types of luminescent fibers or item reference
According to use.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 8170 repair value expressed about the rules and limit values and judgment
CIE1931 standard colorimetric observer
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Luminous fiber luminousfiber
Polyester, polyamide, polypropylene substrates, such as adding rare earth aluminate luminescent materials, through special spinning process is made efficient energy storage
Luminescent fibers.
3.2
Illumination iluminance
Illuminance at a point on the surface is incident on the surface of the element that contains the point on the flux dΦv, divided by the surface of the cell area dA provider to Ev
He expressed in units of lux (lx).
3.3
Afterglow of afterglowluminance
After the stop light, over time, luminous fiber brightness value at different times. L expressed in units of nits or candelas
Per square meter (1nt = 1cd/m2).
3.4
Afterglow time afterglowtime
After the stop light, the afterglow of the luminous fibers L decays to L≥0.32 × 10-3cd/m2 (minimum brightness of the human eye visible range) hold
Continuous time. In T expressed in minutes (min).
3.5
Chromaticity coordinates chromaticitycoordinates
In CIE1931 colorimetric system, CIExyY chromaticity diagram using the illumination parameters and Y color coordinates (x, y) to describe the color, which color
Color coordinates (x, y) on a two-dimensional map for the specified color, x represents the red component, y represents a green component, (x, y) is the color chromaticity
coordinate.
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