Standard No.:	GB/T 2951.9-1997
English Name:	Common test methods for insulating and sheathing materials of electric cable Part 4: Methods specific to polyethylene and polypropylene compounds Section two: Elongation at break after pre-conditioning―Wrapping test after pre-conditioning―Wrapping test
Chinese Name:	电缆绝缘和护套材料通用试验方法 第4部分:聚乙烯和聚丙烯混合料专用试验方法 第2节:预处理后断裂伸长率试验--预处理后卷绕试验--空气热老化后的卷绕试验--测定质量的增加 附录A:长期热稳定性试验 附录B:铜催化氧化降解试验方法
Chinese Classification:	K13    Cable and its accessory
Professional Classification:	GB    National Standard
Source Content Issued by:	STSB
Issued on:	1997-10-28
Implemented on:	1998-10-1
Status:	superseded
Superseded by:	GB/T 2951.42-2008 Common test methods for insulating and sheathing materials of electric and optical cables - Part 42: Methods specific to polyethylene and polypropylene compounds - Tensile strength a
Superseded on:	2009-4-1
Superseding:	GB/T 2951.42-1994 Test method for determining mechanical and physical properties of electric cables and wires Wrapping test after thermal ageing in air
Target Language:	English
File Format:	PDF
Word Count:	7000 words
Translation Price(USD):	210.0
Delivery:	via email in 1~3 business day

GB/T 2951标准规定了配电用电缆和通信电缆，包括船用电缆的聚合物绝缘和护套材料的试验方法。GB/T 2951.9规定了预处理后的断裂伸长率方法、预处理后的卷绕试验方法、空气中热老化后的卷绕试验方法、质量增加的测定方法、长期热稳定性试验方法及铜催化氧化降解实验方法。适用于电线、电缆的绝缘。