GB/T 22471.2-2008 English PDF

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GB/T 22471.2-2008: Resin impregnated glass banding tape for electrical insulation -- Part 2: Test methods
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22471.2-2008	299	Add to Cart	3 days	Resin impregnated glass banding tape for electrical insulation -- Part 2: Test methods	Valid

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Basic data

Standard ID: GB/T 22471.2-2008 (GB/T22471.2-2008)
Description (Translated English): Resin impregnated glass banding tape for electrical insulation -- Part 2: Test methods
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K15
Classification of International Standard: 29.035.10
Word Count Estimation: 13,143
Date of Issue: 2008-10-29
Date of Implementation: 2009-10-01
Quoted Standard: GB/T 1408-2006; GB/T 1411-2002; GB/T 4207-2003; GB/T 11026.1-2003
Regulation (derived from): Announcement of Newly Approved National Standards No. 18 of 2008 (No. 131 overall)
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 electrical insulation resin impregnated glass fiber mesh banding with no latitude (hereinafter referred to mesh with no latitude) test methods. This section applies to semi-cured (B phase) mesh with no latitude for performance tests.

GB/T 22471.2-2008: Resin impregnated glass banding tape for electrical insulation -- Part 2: Test methods

---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.
Resin impregnated glass banding tape for electrical insulation Part 2. Test methods ICS 29.035.10 K15 National Standards of People's Republic of China Electrical insulating resin impregnated glass fiber mesh Test method. no latitude banding with Part 2 Posted 2008-10-29 2009-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 22471 "for electrical insulation resin impregnated glass fiber mesh banding with no latitude" is divided into three parts. --- Part 1. General requirements; --- Part 2. Test methods; --- Part 3. Specifications for individual materials. This section GB/T 22471 Part 2. This portion of the reference ISO LA company, AGE company, JISC2412 related standards. This part is proposed by the China Electrical Equipment Industrial Association. This part of the National Standardization Technical Committee of the insulating material (SAC/TC51) centralized. This part mainly drafted by. Shanghai Yaohua Composite Materials Co., Guilin Institute of Electrical Science. Drafters of this section. Tang Fu Ying, Xu Zhiwei, Xuemin. This section first formulated. Electrical insulating resin impregnated glass fiber mesh Test method. no latitude banding with Part 2

1 Scope

This section GB/T 22471 specifies the electrical insulating resin impregnated glass fiber mesh banding with no latitude (hereinafter referred to as the mesh without weft Test Method band). This section applies to a semi-cured (B stage) mesh without weft performance test strip.

2 Normative references

The following documents contain provisions cited by the present part of GB/T 22471, constitute provisions of this part. 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 1408.1-2006 electrical insulating materials strength test methods - Part 1. Tests at power frequencies (IEC 60243-1.1998, IDT) GB/T 1411-2002 dry solid insulating material resistant to high voltage, low current arc discharges (IEC 61621.1997, IDT) GB/T 4207-2003 solid insulating materials under moist conditions index tracking of the measuring method and the proof tracking index compared (IEC 60112. 1979, IDT) GB/T 11026.1-2003 Electrical insulating materials - Part 1 Heat resistance. aging procedures and evaluation of test results (IEC 60216- 1.2001, IDT) General requirements for three pairs of test Unless otherwise specified, the sample should be at a temperature of (23 ± 2) ℃ and a relative humidity of (50 ± 5)% under the conditions for 24h, and in which Member under test. For high-temperature test, it should be dealt with at a predetermined temperature 45min after the test.

4 width

The indexing is 0.5mm steel ruler along the length of each mesh with no latitude spaced approximately 300mm measuring point, measuring a total of five points wide Degrees to the value as the test result.

5 thickness

The indexing is 0.01mm micrometer screw mesh with no latitude along the longitudinal direction at intervals of about 300mm measuring point, were measured at ten Thickness to the value as the test result, taken two significant figures. To prevent the resin adhesion measurement micrometer screw cap, the cap can be measured in micrometer Polyester liner film, should be calculated by subtracting the film thickness.

6 volatile content

6.1 Lab a) oven. the maximum test temperature of not lower than 250 ℃, temperature control accuracy of ± 2 ℃; b) Analytical balance. accuracy 0.001g; ......

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