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SN/T 2498.4-2012: Basic environmental testing for the import and export fireworks and firecracker articles. Damp heat, steady state
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2498.4-2012 | English | 209 |
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Basic environmental testing for the import and export fireworks and firecracker articles. Damp heat, steady state
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SN/T 2498.4-2012
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Basic data | Standard ID | SN/T 2498.4-2012 (SN/T2498.4-2012) | | Description (Translated English) | Basic environmental testing for the import and export fireworks and firecracker articles. Damp heat, steady state | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | Y88 | | Classification of International Standard | 71.100.30 | | Word Count Estimation | 8,827 | | Quoted Standard | SN/T 0306.2; SN/T 0306.3; SN/T 0306.5-2012 | | Regulation (derived from) | National Quality Inspection (2012) 237; industry standard filing Notice 2012 No. 9 (Total No. 153); | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the import and export of fireworks products, basic environmental tests "Damp heat test, " the test methods. This standard applies to determine the import and export of fireworks products diffuse heat at constant conditions of use a | SN/T 2498.4-2012: Basic environmental testing for the import and export fireworks and firecracker articles. Damp heat, steady state
---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.
Basic environmental testing for the import and export fireworks and firecracker articles.Damp heat, steady state
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Importers Pyrotechnic products Basic environmental testing norms
Constant heat test method
firecrackerarticles-Dampheat, steadystate
Issued on. 2012-05-07
2012-11-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
SN/T 2498 "Importers Pyrotechnic products environmental testing standard" is divided into four parts.
--- Part 1. Test Db. Damp heat test, cyclic;
--- Part 2. Test Ed. Free fall;
--- Part 3. Test Z/AD. temperature, humidity cyclic test methods;
--- Part 4. Damp heat test method.
This section SN/T 2498 "Importers Pyrotechnic products basic environmental test specifications," Part 4.
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 Hunan Exit Inspection and Quarantine.
The main drafters of this section. Zhang Guanghui, Europe Yang Jiang capital into, Tanai Xi, Xiaojia Yong, Jiang put Ming Fan Xiaolin, Zhong Jianjun, Li Yue, Qiu Zhao tree.
Importers Pyrotechnic products Basic environmental testing norms
Constant heat test method
1 Scope
This section SN/T 2498 provisions of the import and export of fireworks products Basic Environmental Testing "Damp heat test," Test Method.
This section applies to determine the suitability of the import and export of fireworks products used and stored at a constant hot and humid conditions.
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.
SN/T 0306.2 export fireworks testing procedures - Part 2. Toy Fireworks delivery inspection
SN/T 0306.3 inspection of export fireworks Part 3. Large fireworks delivery inspection
SN/T 0306.5-2012 inspection of export fireworks Part 5. Type tests
Test Method 3
3.1 Equipment
3.1.1 Temperature/humidity chamber. The temperature can be maintained at 75 ℃ ± 2 ℃, humidity can be maintained at 93% ± 2%.
3.1.2 Automatic temperature and humidity recording system. real-time measurement, recording and storage temperature/humidity test chamber temperature and humidity.
3.2 Sample Requirements
Sample to be tested should be Pyrotechnic products, the number of samples is 6 or 6 sales package.
3.3 Test Procedure
3.3.1 Initial Detection
Randomly selected three samples or three sales packaging, in accordance with the requirements of SN/T 0306.5-2012 Appendix A, respectively appearance and Regulation
Grid size, component mounting, fuse and discharge performance testing, if not appear any missing SN/T 0306.2 and SN/T 0306.3 provisions
Trap, then the remaining three or three sales package samples test conditions.
3.3.2 Environmental Testing
3.3.2.1 The test sample kept at room temperature for 2h.
3.3.2.2 The sample was placed in a temperature/humidity chamber, without humidification of the test chamber temperature to 75 ℃.
3.3.2.3 until the test chamber temperature was raised to 75 ℃ and stable, the chamber is set to 93% relative humidity, the samples were humidified, to be tested
The inside temperature and relative humidity reaches a predetermined value and stability, it began to calculate the duration of the test, test duration 48h.
3.3.3 intermediate detection
During the test conditions should be observed whether the sample produced a fire or explosion, whether to produce colored smoke or gas; temperature and humidity automatically credited by
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