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90℃热塑性低烟无卤阻燃护套料 TEWR960
90℃ Thermoplastic Low-smoke Halogen-free Flame-retardant Jacketing Compound ...
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Description and Application 产品描述和用途
TEWR960 is a kind of thermoplastic low-smoke halogen-free flame-retardant jacketing compounds. It has good mechanical property, high-temperature resistant and processability, especially good irradiation-resistant and aging resistant properties. It is low-smoke and halogen-free, especially suitable for the jacketing which has strict aging property requirements. It is also suitable for the jacketing of K1, K3 nulcear power cables. According to The Arrhenius Equation, this product can reach 90℃and 60-year service life.
TEWR960是热塑性低烟无卤阻燃护套料,其具有优良的物理机械性能,耐高低温性以及加工性能,更为突出的是其具有卓越的耐辐照性和耐热老化性。产品低烟,无卤,特别适用于对老化条件要求较高的电缆绝缘层,适用于制作K1,K3核电用电缆的内绝缘,根据阿累尼乌斯方程推断,本产品符合90℃条件60年寿命的要求。
 
Processing Indicator 加工工艺
Recommend to use special screw for low-smoke halogen-free compound with L/D=20-25.
采用低烟无卤专用螺杆,长径比L/D=20-25。
Model
牌号
Machine Barrel Temperature
机筒温度
Molding Temprature
机头温度
TEWR960
130-160℃
150-170℃


Physical and Eletrical Properties 物理及电性能指标
试验项目
单位
技术要求
Density
密度
g/cm3
≤1.5
Tensile Strength
抗张强度
MPa
≥10.0
Elongation at Break
断裂伸长率
%
≥250
Aging Conditions
老化条件
/
(110±2)℃×240 h
Changing rate of Tensile Strength
抗张强度变化率
≤±20
Changing Rate if Elongation
断裂伸长率变化率
≤±20
High Temperature Pressure Test
高温压力试验(80±2℃)
%
≤50
Volume Resistivity of Insulation
绝缘体积电阻率(1kV,20℃)
Ω·m
≥1×1012
Brittle Temperature With Low Temperature低温脆化温度
-40
Dielectric Strength
介电强度(1kV,20℃)
kV/mm
≥18
HCL gas Evolution
卤酸气体含量测定
mg/g
≤5
PH Value
PH值
/
≥4.3
Conductivity
电导率
μS/mm
≤10
Smoke Density
烟密度
No-flame Mode无焰
%
≤200
Flame Mode 有焰
%
≤190
Toxicity Index
毒性指数
/
≤2.5
Oxygen Index
氧指数
%
≥30
UV-resistant Test
耐紫外线试验
h
≥720
Material Life(90℃)
材料寿命
≥60