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| 牌号简介 About |
|---|
| Visico™ LE4421/LE4437是一种用于低压绝缘的防焦、湿交联聚乙烯化合物。Visico基料LE4421和锡催化剂母粒LE4437的组合提供了一种具有优异热稳定性的高度烧焦阻燃化合物。LE4421/LE4437含有一种获得专利的防焦添加剂（SRA），它增加了湿交联化合物的处理窗口，并最大限度地减少了挤出机、机头或模具中过早交联的趋势。应通过将5份LE4437与95份LE4421的比例进行干混，将LE4437直接添加到挤出机料斗中的LE4421中。除催化剂外，LE4437还提供含有适当抗氧化剂、金属钝化剂和金属钝化剂的稳定剂包。适当混合，在挤出过程中，LE4421/LE4437表现出良好的氧化热稳定性。使用为热塑性或交联聚乙烯设计的标准电线和电缆浓缩物，LE4421/LE4437易于着色成各种颜色。通过添加适当的炭黑或紫外线添加剂，可获得抗紫外线天气性能。使用Visico LE4432代替LE4437将锡催化剂与适当的炭黑结合在一起，以提供黑色、抗紫外线、防潮交联电缆绝缘。用途：推荐LE4421/LE4437作为低压控制电缆和额定电压达6KV的电力电缆的绝缘材料。 Visico LE4421/LE4437 is a scorch retardant, moisture-crosslinking polyethylene compound for low voltage insulation The combination of a VISICO base material, LE4421, and a tin catalyst masterbatch, LE4437, provides a highly scorch retardant compound with excellent thermal stability. LE4421/LE4437 contains a patented scorch retardant additive (SRA) that increases the processing window for a moisture crosslinking compound and minimizes the tendency for premature crosslinking in the extruder, head or die. LE4437 should be added to LE4421 directly in the extruder hopper by dry blending a ratio of 5 parts LE4437 to 95 parts LE4421. LE4437 also provides, in addition to catalyst, a stabilizaton package containing suitable antioxidants, a metal passivator and a metal deactivator and a 25% loading of fine particle size carbon black for UV weather resistance. Properly mixed, during the extrusion process, LE4421/LE4437 exhibits excellent thermal stability to oxidation. The final insulation or jacketing will also contain 2.5% of a suitable carbon black to ensure satisfactory UV weathering stability. LE4421/LE4437 is readily pigmented to a variety of colors using standard wire & cable concentrates designed for thermoplastic or crosslinked polyethylene. UV weather resistance is obtained by the addition of a suitable carbon black or UV additive. Using VISICO LE4432 in place of LE4437 combines a tin catalyst along with the proper carbon black to provide a black, UV resistant, moisture crosslinking cable insulation. APPLICATION: LE4421/LE4437 is recommended for use as insulation for low voltage conrol cables and power cables up to 6kv in rating. Specifications Visico LE4421/LE4437 in combination meets the applicable requirements as below when processed using sound extrusion and testing procedure: Underwriters Laboratories Standards 854 for types USE and USE-2 NF C33-210 HD 603 S1 ASTM D 2655 Canadian Standards Association C22.2 No. 1790-00-AirportSeries Lighting Cables and C22.2 No. 38 Cable Type RW-90 Outdoor EC 502 NBN C 33-321 |
产品描述 Product Description
用途：电缆护套;低压绝缘;
颜色：黑色,可用颜色
加工条件：挤出 Extrusion
性能特点： 可交联; 热稳定性好; 抗氧化; 耐候抗UV; Weather resistance is good,Crosslinked,Inoxidizability,Heat Stabilized
紫外线：UV Stabilized
| 技术参数 Technical Data | |||
|---|---|---|---|
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物理性能 PHYSICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
|
密度 Density |
ASTM D792 | ||
|
-- -- 2 |
0.923 | g/cm³ | ASTM D792 |
|
-- -- 3 |
0.941 | g/cm³ | ASTM D792 |
|
熔体质量流动速率 Melt Flow Rate 2 |
|||
|
190℃，2.16kg 190℃，2.16kg 2 |
0.90 | g/10min | ASTM D1238 |
|
弹性体 elastic body |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
|
拉伸强度 tensile strength |
|||
|
屈服 yield |
15.0 | MPa | ASTM D412 |
|
拉伸应变 Tensile strain |
|||
|
断裂 fracture |
300 | % | ASTM D412 |
|
热性能 THERMAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
|
高温蠕变 High temperature creep |
ICEA T-28-562 | ||
|
负荷下伸长率：150℃ Elongation under load: 150 ℃ |
% | ICEA T-28-562 | |
|
永久变形：150℃ Permanent deformation: 150 ℃ |
% | ICEA T-28-562 | |
|
老化性能 Aging performance |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
|
拉伸性能的保留率 Retention rate of tensile performance |
|||
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After Ageing 168 h，121℃ After Ageing 168 h，121℃ |
% | ASTM D638 | |
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电气性能 Electrical performance |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
|
体积电阻率 Volume resistivity |
ohms·cm | ASTM D257 | |
|
介电强度 Dielectric strength |
kV/mm | ASTM D149 | |
|
介电常数 Dielectric constant |
|||
|
23 ℃，60 Hz 23 ℃，60 Hz |
ASTM D150 | ||
|
耗散因数 Dissipation factor |
|||
|
23℃，60 Hz 23℃，60 Hz |
ASTM D150 | ||
| 备注 |
|---|
| 1 一般属性：这些不能被视为规格。 |
| 2 LE4421 Base Resin |
| 3 LE4437 Masterbatch |
|
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【免责声明】 广州搜料信息技术有限公司保留所有权利。 此数据表中的信息由搜料网soliao.com从该材料的生产商处获得。搜料网soliao.com尽最大努力确保此数据的准确性。 但是搜料公司对这些数据值及建议等给用户带来的不确定因素和后果不承担任何责任，并强烈建议在最终选择材料前，就数据值与材料供应商进行验证。 |
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