过氧化物交联型半导电内、外屏蔽料

Peroxide cross-linked semi-conductive inner and outer shielding materials

过氧化物交联型半导电内、外屏蔽料

特点和用途
l 特点:稳定的加工性能,优良的物理性能和导电性能,可分布电场,防止电荷集积而造成电缆击穿。
l 用途:用作10~35Kv级中压电力电缆、架空电缆的导体屏蔽及绝缘层屏蔽。
 
包装运输及贮存
包装:PE内膜袋防潮,纸箱包装,下垫木质托盘,包装500公斤/箱
运输:小心轻放,以防破包;
贮存:打开包装后应立即使用,不必进行预干燥;产品未用完,需密封,后续使用。
 
执行标准:JB/T10738—2007。

Peroxide cross-linked semi-conductive inner and outer shielding materials
Characteristics and purpose
l Characteristics: stable processing performance; excellent physical and electrical properties; distribution in the electric field; prevention of electric charge buildup
cause the electric cable breakdown.
l Purpose: used as conductor shielding and insulation layer shielding of 10 ~ 35KV medium-voltage power cable and overhead cable.
 
 Packaging, transportation and storage
l Packaging: moisture prevantion for PE inner film bag , carton packaging, wooden pallet cushioned underneath, 500 kg/ box for packaging;

Transportation: Handle with care to avoid breaking the bag;

Storage: the product shall be used immediately after opening the packaging, and the pre-drying is not necessary; if the if the product is not used completely, it is required to be sealed and subsequently used.
 
Executive Standard:JB/T10738—2007
 
性能指标
Performance Index

序号
No.
项目
Items
单位
Unit
要求 内屏蔽料
Requirement: internal shielding material
要求 外屏蔽料
Requirement: external shielding material
1
密度
Density
g/cm3
≤1.2
≤1.2
2
拉伸强度
Stretch Str.
MPa
≥12.0
≥10.0
3
断裂伸长率
Elongation at failure
%
≥180
≥200
4
冲击脆化温度(-40℃)
Impact brittle temperature (-40 ℃)
失效数
Failure number
 

Nos.
 
≤15/30
 
≤15/30
5
空气热老化温度
Air thermal aging temperature
持续时间
Duration in
拉伸强度变化率
Variation of tensile strength
断裂伸长率变化率
Rate of change for elongation at breakage

h

135±2
168
±30
±30
 
 
±30
±30
6
热延伸200℃
Thermal extension 200 ℃
0.2MPa,15min
负荷下伸长率
Elongation under load
冷却后永久变形率
Permanent deformation rate after cooling
 
 

 
 
≤100
≤15
 
 
≤100
≤15
7
体积电阻率,20℃
Volume resistivity, 20 ℃
Ω.cm
≤100
≤100
8
剥离强度
Peel strength
N/cm
/
10~45