Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
ASTM D4325-20
Năm ban hành 2020
Publication date
Tình trạng
A - Còn hiệu lực
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Tên tiếng Anh
Title in English Standard Test Methods for Nonmetallic Semi-Conducting and Electrically Insulating Rubber Tapes
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Chỉ số phân loại Quốc tế (ICS)
By field |
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Số trang
Page 7
Giá:
Price Liên hệ / Contact us
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Phạm vi áp dụng
Scope of standard 1.1 These test methods cover the methods and procedures for testing electrically insulating and semi-conducting rubber tapes designed for splicing, terminating, and sheath repair of electrical wire and cable. 1.2 The test methods appear in the following sections: Section Referenced Documents 2 Conditioning 5 - 6 Dielectric Strength 35 - 40 Dimensions 11 - 16 Dissipation Factor 22 - 26 Elongation 17 - 21 Heat Exposure 46 - 49 Fusion 7 - 10 Ozone Resistance 41 - 45 Permittivity 22 - 26 Sample Requirements 4 Tensile Strength 17 - 21 Volume Resistivity 27 - 34 Ultraviolet and Weather Resistance 50 - 54 1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard. Note 1: There is no IEC equivalent to these methods. 1.4 Unless otherwise stated, measurements are made on tapes from which the removable separator has been removed. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific warning statement see 43.1. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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