
【国外标准】 Standard Specification for Track-Resistant Thermoplastic High-Density Polyethylene Insulation for Wire and Cable, 75 °C Operation
本网站 发布时间:
2024-02-28
开通会员免费在线看70000余条国内标准,赠送文本下载次数,单本最低仅合13.3元!还可享标准出版进度查询、定制跟踪推送、标准查新等超多特权!  
查看详情>>

适用范围:
This specification covers track-resistant black thermoplastic high-density polyethylene insulation for conducting wires and cables operating continuously at a specified conductor temperature. The insulation is suitable for use for power transmission in overhead spaced-line service that is exposed to sunlight and other atmospheric environments. The prescribed tests cannot be performed unless the insulation is formed around a conductor, but these are done solely to determine the insulation properties and not to test the conductor or completed cable. Each test sample should be subjected to an ac or dc voltage withstand test at voltages that are based on the nominal thickness of the insulation and should comply with the required values for aging, heat distortion, cold blend, U-bend discharge, track resistance, tensile strength, elongation at rupture, environmental cracking, and surface resistivity.1.1 This specification covers track-resistant thermoplastic high-density polyethylene insulation. Before application to the conductor, the insulation shall comply with the requirements of Specification D1248, Type III, Class C or D, Category 5, Grade E10, J4, or J5. The requirements of Specification D1248 shall not apply to the insulation removed from the conductor.1.2 This type of insulation is considered suitable for use on wire or cable that will be used for continuous operation at conductor temperatures up to 75 °C.1.3 This insulation is suitable for use on wire or in cable used for power transmission in overhead spaced-line service, installed at temperatures above −25 °C and exposed to sunlight and other atmospheric environments between −55 and +75 °C.1.4 In many instances, the insulation cannot be tested unless it has been formed around a conductor. Therefore, tests done on insulated wire in this standard are solely to determine the relevant property of the insulation and not to test the conductor or completed cable.1.5 Whenever two sets of values are presented, in different units, the values in the first set are to be regarded as standard. The values given in parentheses are mathematical conversions that are provided for information only and are not considered standard.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.
标准号:
ASTM D3554-20e1
标准名称:
Standard Specification for Track-Resistant Thermoplastic High-Density Polyethylene Insulation for Wire and Cable, 75 °C Operation
英文名称:
Standard Specification for Track-Resistant Thermoplastic High-Density Polyethylene Insulation for Wire and Cable, 75 °C Operation标准状态:
Active-
发布日期:
-
实施日期:
出版语种:
- 推荐标准
- ASTM F3016/F3016M-19 Standard Test Method for Surrogate Testing of Vehicle Impact Protective Devices at Low Speeds
- ASTM F3019/F3019M-19 Standard Specification for Chromium Free Zinc-Flake Composite, with or without Integral Lubricant, Corrosion Protective Coatings for Fasteners
- ASTM F302-09(2021) Standard Practice for Field Sampling of Aerospace Fluids in Containers
- ASTM F3021-17 Standard Specification for Universal Design of Fitness Equipment for Inclusive Use by Persons with Functional Limitations and Impairments
- ASTM F3022-16e1 Standard Test Method for Evaluating the Universal Design of Fitness Equipment for Inclusive Use by Persons with Functional Limitations and Impairments
- ASTM F3023-18 Standard Test Methods for Evaluating Design and Performance Characteristics of Stationary Upright and Recumbent Exercise Bicycles and Upper and Total Body Ergometers
- ASTM F3026-14(2019) Standard Guide for Helicopter Inland Search and Rescue (SAR) Crew Chief
- ASTM F3027-18 Standard Guide for Training of Personnel Operating in Mountainous Terrain (Mountain Endorsement)
- ASTM F3033-16(2021) Standard Practice for Installation of a Single-Sized, Cured-In-Place Liner Utilizing an Inflatable Bladder for Resurfacing Manhole Walls of Various Shapes and Sizes
- ASTM F3034-21 Standard Specification for Billets made by Winding Molten Extruded Stress-Rated High Density Polyethylene (HDPE)
- ASTM F3035-22 Standard Practice for Production Acceptance in the Manufacture of a Fixed Wing Light Sport Aircraft
- ASTM F3036-21 Standard Guide for Testing Absorbable Stents
- ASTM F3038-21 Standard Test Method for Timed Evaluation of Forced-Entry-Resistant Systems
- ASTM F3043-15 Standard Specification for “Twist Off” Type Tension Control Structural Bolt/Nut/Washer Assemblies, Alloy Steel, Heat Treated, 200 ksi Minimum Tensile Strength
- ASTM F3045-21 Standard Test Method for Evaluation of the Type and Viscoelastic Stability of Water-in-oil Mixtures Formed from Crude Oil and Petroleum Products Mixed with Water