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Description and Application 产品描述和用途
FEJW90, FEJW105, FEJW125, FEJW150 are irradiation cross-linkable low-smoke halogen-free insulation compounds, which don’t contain any heavy metals like Pb, Ba, Cd, Cr, Sn and Sb. Their properties can well meet RoHS Standard. They have good physical and mechanical properties, and are mainly used for the insulation of communication cables, control cables and power cables.
FEJW90，FEJW105，FEJW125，FEJW150是可辐照交联低烟无卤绝缘料。不含Pb、Ba、Cd、Cr、Sn、Sb六大重金属。满足RoHS标准要求。产品具有良好的物理机械性能，尤其是较好的耐温性。主要用于通信电缆，控制电缆和电力电缆的绝缘层。
 
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
FEJW90/FEJW105/FEJW125/FEJW150	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
			FEJW90	FEJW105	FEJW125	FEJW150
Tensile Strength 拉伸强度		MPa	≥10	≥10	≥10	≥10
Elongation at Break 断裂伸长率		%	≥150	≥150	≥150	≥150
Density 密度		g/cm3	≤1.5	≤1.5	≤1.45	≤1.45
Dielectric Strength 介电强度		MV/m	≥20	≥20	≥20	≥20
Aging Conditions 热老化条件		/	121℃×168h	136℃×168h	158℃×168h	180℃×168h
Tensile Strength Variation  After Aging 老化后拉伸强度变化率		%	≥75	≥75	≥75	≥75
Elongation Variation After Aging 老化后断裂伸长率变化率		%	≥75	≥75	≥75	≥75
Brittle Temperature With Low Temperature Impact 冲击脆化温度		℃	-40	-40	-40	-40
Volume Resistivity  at 20℃ 20℃体积电阻率		Ω·m	≥1.0×1012	≥1.0×1012	≥1.0×1012	≥1.0×1012
Hot Set Test Condition 热延伸试验条件 200℃×0.2MPa×15min	Hot Elongation 负荷下伸长率	%	≤100	≤100	≤100	≤100
	Set 冷却后永久形变	%	≤15	≤15	≤15	≤15
Water Absorption 吸水性实验 14 days at 70℃		mg/cm2	≤5	≤5	≤5	≤5
Oxygen Index 氧指数		%	≥32	≥32	≥32	≥28
HCL Gas Evolution HCL气体发生量		Mg/g	≤1.0	≤1.0	≤1.0	≤1.0
PH Value PH值		/	≥4.3	≥4.3	≥4.3	≥4.3
Smoke Density烟密度 – No-flame Mode无焰模式 – Flame Mode有焰模式		Ds max	≤250 ≤100	≤250 ≤100	≤250 ≤100	≤250 ≤100
Conductivity 电导率		ｕS/mm	≤10	≤10	≤10	≤10
Toxicity Index 毒性		/	≤5.0	≤5.0	≤5.0	≤5.0

Suggestedirradiation dose:12-15 mega-tera.建议的辐照剂量为：12-15兆拉。
 

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。