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90℃防白蚁抗紫外低烟无卤阻燃护套料 EHW90BZ
90℃Termite and UV Resistant Low-smoke Halogen-free Flame-retardant Jacketing Compound ...
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Description and Application  产品描述和用途
EHW90BZ is 90℃termite and UV resistant low-smoke halogen-free jacketing compound, which doesn’t contain any heavy metal like Pb, Ba, Cd, Cr, Sn and Sb.The properties can meet RoHS Standard.It has excellent mechanical and flame-retardant properties with temperature resistant from -40℃to 90℃. It is mainly used for the jacketing of communication cables, control cables and power cables.
EHW90BZ是90℃防白蚁防紫外线低烟无卤护套料。不含Pb、Ba、Cd、Cr、Sn、Sb六大重金属。各种性能均能满足RoHS的标准要求。产品具有良好的物理机械性能和阻燃性能,能满足防白蚁和抗紫外线的要求,可耐温-40℃~90℃,主要用于通信电缆,控制电缆和电力电缆的护套层。
 
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
EHW90BZ
130-140℃
150-160℃
 
 
Physical and Electrical Properties 物理及电性能指标
Item
试验项目
Unit
单位
Specification
技术要求
Density
密度
g/cm3
≤1.55
Tensile Strength
拉伸强度
MPa
≥10
Elongation at Break
断裂伸长率
%
≥150
Aging Conditions
热老化条件
/
110℃×240h
Tensile Strength Variation
拉伸强度变化率
%
±25
Elongation Variation
断裂伸长率变化率
%
±25
Thermal
Deformation
热变形
Condition
 
90℃×6h
Variation
%
≤50
Dielectric Strength
介电强度
MV/m
≥20
Brittle Temperature With Low Temperature Impact
冲击脆化温度
-40
Volume Resistivity
at 20℃
20℃体积电阻率
Ω.cm
≥1.0×1011
Oxygen Index
氧指数
%
≥32
HCL Gas Evolution
HCL气体发生量
Mg/g
≤5.0
PH Value
PH值
/
≥4.3
Smoke Density烟密度
 – No-flame Mode无焰模式
– Flame Mode 有焰模式
Ds max
 
≤200
≤100
Conductivity
电导率
uS/mm
≤10
Toxicity Index
毒性指数
/
≤5.0
Anti-termite Property
防白蚁(群体法)
(Level)
1-2
Rat Resistant
( 14-day protecting rate of bite)
防鼠(14天啃咬防护率)
%
100%(measured value)
100%(实测值)
 
 
Attentions 注意事项:
1)The compound should be dried before using if the package is broken. Once package is open, recommend to run out within 12 hours.
原料破包需烘干后才能使用,材料一经开封,建议12小时之内用完。
2)Please ensure the screw, barrel, hopper are thoroughly cleaned before operation. Avoid bringing impurities while processing.
加工前确保螺杆、机筒、加料斗彻底清理干净,加工过程中严禁带入杂质。
3)If you need a faster extrusion. Please accelerate screw speed gradually to avoid inadequate plasticizing which may cause rough surface of the cables.
如果要快速挤出时,请慢慢逐渐加快螺杆转速,以免塑化不良,电缆表面毛糙。