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Product Description產品描述
W-9021 series are granular compounds which are manufactured through mixing, plasticizing and pelletizing processes. They regard advanced PVC resin as the basic raw materials, and add plasticizer, stabilizer and other accessory ingredients.
W-9021系列產品是以優質聚氯乙烯樹脂為基料，加入特種增塑劑、穩定劑等助劑，經混合、塑化、造粒而成的粒狀電纜料。
 
Characteristics and Application 特點及用途
These products have good mechanical and physical property, electrical property and excellent processing performance. They meet RoHS Standard and all their properties comply with GB/T 8815. They are suitable for the jacketing of 90℃cables.
產品具有良好的機械物理性能和電性能，加工性能優異，符合RoHS環保標準。性能符合GB/T 8815的要求，主要用于90℃耐溫等級的電線電纜護套。
 
Processing Indicator加工工藝
Recommend to use of single-screw extruders with L/D= 20-25.
建議使用普通長徑比為20-25的單螺桿擠出機進行生產。

Model 牌號	Machine Barrel Temperature 機筒溫度	Molding Temperature 機頭溫度
W-9021	150-170℃	170-180℃

Physical and Electrical Properties
機械物理性能及電性能指標

Item 試驗項目	Unit 單位	Technical Requirements 技術要求
		W-9021	W-9021-L5	W-9021-L6	W-9021-L7	W-9021-L8
Tensile Strength 拉伸強度	MPa	≥16.0	≥16.0	≥16.0	≥16.0	≥16.0
Elongation at Break 斷裂伸長率	%	≥180	≥180	≥180	≥180	≥180
Thermal Deformation 熱變形	%	≤40	≤40	≤40	≤40	≤40
Brittle Temperature with Impact 沖擊脆化溫度	℃	-20	-25	-30	-35	-40
200℃Thermal Stability 200℃時熱穩定時間	min	≥80	≥80	≥80	≥80	≥80
20℃Volume Resistivity 20℃時體積電阻率	Ω.m	≥1.0×109	≥1.0×109	≥1.0×109	≥1.0×109	≥1.0×109
Dielectric Strength 介電強度	MV/m	≥18	≥18	≥18	≥18	≥18
Thermal Aging 熱老化試驗	\	100±2℃×240h
Tensile Strength After Aging 老化后拉伸強度	MPa	≥16.0	≥16.0	≥16.0	≥16.0	≥16.0
Tensile Strength Variation 拉伸強度變化率	%	±20	±20	±20	±20	±20
Elongation After Aging 老化后斷裂伸長率	%	≥180	≥180	≥180	≥180	≥180
Elongation Variation 斷裂伸長率變化率	%	±20	±20	±20	±20	±20
Mass Losses 質量損失(100℃×240h)	g/m2	≤15	≤15	≤15	≤15	≤15