SN/T 4789-2017 English PDF

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SN/T 4789-2017: Flexible intermediate bulk containers(FIBCs). Test method for breakdown voltage
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 4789-2017	149	Add to Cart	2 days	Flexible intermediate bulk containers(FIBCs). Test method for breakdown voltage	Valid

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Basic data

Standard ID: SN/T 4789-2017 (SN/T4789-2017)
Description (Translated English): Flexible intermediate bulk containers(FIBCs). Test method for breakdown voltage
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: A82
Word Count Estimation: 4,437
Date of Issue: 2017-05-12
Date of Implementation: 2017-12-01
Regulation (derived from): State-Quality-Inspection-Accreditation (2017) 228
Issuing agency(ies): General Administration of Customs

SN/T 4789-2017: Flexible intermediate bulk containers(FIBCs). Test method for breakdown voltage

---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.
(Test method for breakdown voltage of container bags) People's Republic of China entry and exit inspection and quarantine industry standards Bulk bag breakdown voltage test method Released on.2017-05-12 2017-12-01 implementation People's Republic The General Administration of Quality Supervision, Inspection and Quarantine issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard refers to IEC 61340-4-4.2012 "Flexible Intermediate Bulk Container Electrostatic Classification Special Test Method", which relates to the container bag The technical content of the breakdown voltage test is consistent with the above standards. This standard is proposed and managed by the National Certification and Accreditation Administration. This standard was drafted. Jiangsu Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China. The main drafters of this standard. Gao Xiang, Wang Rong, Liu Junfeng, Shao Chenjie. Bulk bag breakdown voltage test method

1 Scope

This standard stipulates the method and procedure for the breakdown voltage test of the export package for export goods. This standard applies to the breakdown voltage test of transport packaging containers containing non-dangerous goods for export.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 1408.1 Test methods for electrical strength of insulating materials - Part 1 IEC 61340-4-4.2012 Test method for electrostatic classification of flexible intermediate bulk containers

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Container bag flexibleintermediatebulkcontainers;FIBCs The flexible medium-sized bulk container with a capacity of not more than 3.0m3 and a net weight of between 400kg and 3000kg. Mainly from woven plastic or It is composed of a main body composed of a combination of other flexible materials and, if necessary, a corresponding inner liner and a top lifting member. 3.2 Breakdown voltage breakdownvoltage The voltage at which the sample breaks under the specified test conditions.

4 test requirements

4.1 The parts of the container bag, such as the top, the bag body and the bottom, are made of different raw materials or different processes, and each part is required. Experiment separately. 4.2 The boosting method is carried out in accordance with 9.1 of IEC 61340-4-4.2012.

5 test equipment

5.1 Electrical installation According to the requirements of GB/T 1408.1. 5.2 Electrode Using unequal diameter electrodes, the electrode consists of two metal cylinders, one of which has a diameter of 25 mm ± 1 mm and a height of about 25mm, the other electrode has a diameter of 75mm ± 1mm and a height of about 15mm. The two electrodes are placed coaxially with an error of 2 mm. ......

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