GBZ21214-2007 English PDF

US$159.00 · In stock
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GBZ21214-2007: Polyester film for fly back transformer
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/Z 21214-2007	159	Add to Cart	3 days	Polyester film for fly back transformer	Valid

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Basic data

Standard ID: GB/Z 21214-2007 (GB/Z21214-2007)
Description (Translated English): Polyester film for fly back transformer
Sector / Industry: National Standard
Classification of Chinese Standard: K15
Classification of International Standard: 29.035.99
Word Count Estimation: 6,636
Date of Issue: 2007-12-03
Date of Implementation: 5/20/2008
Regulation (derived from): China National Standard Approval Announcement2007 No.12 (Total No.112)
Issuing agency(ies): Ministry of Health of the People's Republic of China
Summary: This standard specifies the requirements for line output transformer with a polyester film, test methods, inspection rules, signs, packaging, transport and storage. The technical guidance document applies to the polyethylene terephthalate film was cast and stretched biaxially oriented film obtained for line output transformer manufacturing industry.

GBZ21214-2007: Polyester film for fly back transformer

---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.
GB /Z 21214-2007 Polyester film for flyback transformer ICS 29.035.99 K15 National Standardization Technical Document of the People's Republic of China GB /Z21214-2007 Polyester film for line output transformer Released on.2007-12-03 General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Administration issued

Foreword

This guidance document refers to the Japanese Toray S10 polyester film standard and GB 12802.2-2004 "electrical insulation film Part 2. Polyester film for electrical insulation. This guidance technical document was proposed by the China Electrical Equipment Industry Association. This guidance document is under the jurisdiction of the National Technical Committee for Standardization of Insulation Materials (SAC/TC51). This guiding technical document was drafted by. Oriental Insulation Materials Co., Ltd. The main drafters of this guiding technical document. Luo Chunming, Zhao Ping. This guidance document is for the first time. GB /Z21214-2007 Polyester film for line output transformer

1 Scope

This guidance document specifies the requirements, test methods, inspection rules, marking, packaging, and transportation of polyester film for output transformers. And storage. This guidance document applies to films made from polyethylene terephthalate through cast slab and biaxially oriented stretching. Line output transformer manufacturing industry.

2 Normative references

The terms of the following documents are incorporated into the terms of this guidance document by reference to this guidance. Any dated Reference documents, all subsequent amendments (not including errata content) or revisions do not apply to this guidance technical document, however, drums The parties that have reached an agreement under this guidance document will investigate whether the latest versions of these documents are available. Any undated reference The latest version of the document applies to this guidance document. GB/T 13541-1992 Test method for plastic film for electrical (neqIEC 60674-2.1988) GB/T 13542-1992 General requirements for plastic films for electrical purposes (neq IEC 60674-1. 1980) ANSI/UL94-2001 Combustibility Test for Plastics for Equipment Parts IEC 61074.1999 Determination of melting heat, melting point, crystallization heat and crystallization temperature of electrical insulating materials by differential scanning calorimetry method

3 requirements

3.1 Appearance The film is supplied in rolls or in a disk, and the surface of the film is smooth and smooth, free from defects such as wrinkles, tears, particles, bubbles, pinholes and foreign matter. The edges should be neat and undamaged. When cut into discs, the end faces are neat, the hand feels smooth, no curling, no burrs. 3.2 film roll, die Film rolls and dies shall comply with the provisions of 4.2 and 4.4 of GB/T 13542-1992. 3.3 size 3.3.1 Thickness range and tolerance The thickness is determined by negotiation between the supplier and the buyer. The recommended nominal thickness is recommended. 75 μm, 100 μm. The thickness tolerance is ± 3% of the nominal thickness. 3.3.2 Number of joints and length of the shortest section The number of joints per roll is 0, and the shortest length is determined by negotiation between the supplier and the buyer. 3.3.3 Winding diameter, width and limit deviation The specifications of the roll diameter and width are determined by negotiation between the supplier and the buyer. Recommended width is 26.5mm, 28mm, 32mm, 34mm, 36mm, 38mm, 40mm. The film is processed into a reel according to user requirements. The limit deviation of the winding diameter and width shall comply with the requirements of Table 1. Table 1 The limit deviation of film winding diameter and width is in millimeters Width winding diameter limit deviation Width film roll end face film height 15～50 ≥180 ±0.2 < 0.3 3.4 Performance requirements Film performance requirements shall be in accordance with Table 2. GB /Z21214-2007 ......

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