亚洲中文字幕无码久久2017

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                                                            環保型聚氯乙烯抗紫外線護套料 W-7021-Z W-9021-Z W-0521-Z
                                                            Lead-free UV-resistant PVC Jacketing Compound...
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                                                            Product Description產品描述
                                                            Lead-freeUV-resistant PVC jacketing compound are granule compounds which are manufactured with mixing, plasticizing and pelletizing processes. They regard advanced PVC resin as the basic raw material, and add special plasticizer, stabilizer and other accessory ingredients.
                                                            環保型聚氯乙烯抗紫外線護套料是以優質聚氯乙烯樹脂為基料,加入特種增塑劑、特種穩定劑等助劑,經混合、塑化、造粒而成的粒狀電纜料。
                                                             
                                                            Characteristics and Application 特點及用途
                                                            The products have excellent climate-resistant property and good processability. They can meet RoHS Standard. All their properties are referred to GB/T 8815 and UL 1581 and other standards. They are mainly used for the jacketing of cables which have UV-resistant property requirements.
                                                            產品具有良好的耐候性,加工性能優異,符合RoHS環保標準。產品性能參考GB/T 8815、UL1581等標準的要求,主要用于有抗紫外線要求的電線電纜護套。
                                                             
                                                            Processing Indicator加工工藝
                                                            Recommend to use 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-7021-Z / W-9021-Z / W-0521-Z 145-170℃ 165-180℃
                                                             

                                                            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-7021-Z W-9021-Z W-0521-Z
                                                            Tensile Strength
                                                            拉伸強度
                                                            MPa ≥15.0 ≥16.0 ≥16.0
                                                            Elongation at Break
                                                            斷裂伸長率
                                                            % ≥180 ≥180 ≥180
                                                            Thermaldeformation
                                                            熱變形
                                                            % ≤50 ≤40 ≤40
                                                            Brittle Temperature with Impact
                                                            沖擊脆化溫度
                                                            -25 -20 -20
                                                            200℃Thermal Stability
                                                            200℃時熱穩定時間
                                                            min ≥50 ≥80 ≥80
                                                            20℃Volume Resistivity
                                                            20℃時體積電阻率
                                                            Ω.m ≥1.0×108 ≥1.0×109 ≥1.0×109
                                                            Dielectric Strength
                                                            介電強度
                                                            MV/m ≥18 ≥18 ≥18
                                                            Thermal Aging
                                                            熱老化試驗
                                                            \ 100℃×168h 100℃×240h 135℃×168h
                                                            Tensile strength after aging
                                                            老化后拉伸強度
                                                            MPa ≥15.0 ≥16.0 ≥16.0
                                                            Tensile Strength Variation
                                                            拉伸強度變化率
                                                            % ±20 ±20 ±20
                                                            Elongation After Aging
                                                            老化后斷裂伸長率
                                                            % ≥180 ≥180 ≥180
                                                            Elongation Variation
                                                            斷裂伸長率變化率
                                                            % ±20 ±20 ±20
                                                            Loss of Mass
                                                            質量損失(100℃×168h)
                                                            g/m2 ≤23 ≤15 ≤20
                                                            Artificial weathering test
                                                            人工氣候老化試驗
                                                            \ 720h
                                                            Tensile Strength Variation
                                                            拉伸強度變化率
                                                            % ±20 ±20 ±20
                                                            Elongation Variation
                                                            斷裂伸長率變化率
                                                            % ±20 ±20 ±20

                                                            亚洲中文字幕无码久久2017