公司信息及水印
牌号简介 About |
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Visico LE4421/LE4460/LE4437是一种用于低压绝缘的防焦、湿交联聚乙烯化合物LE4421/LE4460/LE4437是一种天然、湿交联聚乙烯化合物,设计用于低压电线绝缘和护套。VISICO LE4421基树脂与LE4460溴化阻燃母粒和LE4437催化剂的结合,提供了一种具有优异热稳定性和良好阻燃性能的高烧焦阻燃化合物。LE4421/LE4460/LE4437含有一种获得专利的防焦添加剂(SRA),该添加剂增加了湿交联化合物的加工窗口,并将挤出机、机头或模具中过早交联的趋势降至最低。由75份LE4421与20份LE4460和5份LE4437混合而成的成品化合物被保险商实验室认定为Visico Horizontal。Visico Horizontal旨在降低普通PE火焰蔓延特性,并在14 AWG及以上电线上实现HB-1火焰等级。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包。适当混合,在挤出过程中,LE4421/LE4460/LE4437表现出良好的氧化热稳定性。LE4421/LE4460/LE4437使用为热塑性聚乙烯或交联聚乙烯设计的标准电线和电缆颜色浓缩物容易着色成各种颜色。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。 Visico LE4421/LE4460/LE4437 is a scorch retardant, moisture-crosslinking polyethylene compound for low voltage insulation LE4421/LE4460/LE4437 is a natural, moisture-induced crosslinking polyethylene compound that is designed for use as low voltage wire insulation and jacketing. The combination of a VISICO LE4421 base resin, along with the LE4460 brominated flame retardant masterbatch and the LE4437 catalyst, provides a highly scorch retardant compound with excellent thermal stability and good retardant flame properties. LE4421/LE4460/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. A finished compound that is composed of 75 parts of LE4421 mixed with 20 parts of LE4460 and 5 parts of LE4437 is recognized by Underwriters Laboratories as VISICO HORIZONTAL. VISICO HORIZONTAL is designed to reduce normal PE flame spread characteristics and achieve an HB-1 flame rating on 14 AWG wires and larger. LE4437 also provides, in addition to catalyst, a stabilization package containing suitable antioxidants, a metal passivator and a metal deactivator. Properly mixed, during the extrusion process, LE4421/LE4460/LE4437 exhibits excellent thermal stability to oxidation. LE4421/LE4460/LE4437 is readily pigmented to a variety of colors using standard wire & cable color 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. |
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 | ||
Base Resin Base Resin |
0.923 | g/cm³ | ASTM D792 |
黄色 yellow |
0.941 | g/cm³ | ASTM D792 |
-- -- 2 |
2.00 | g/cm³ | ASTM D792 |
熔体质量流动速率 Melt Flow Rate |
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190℃,2.16kg 190℃,2.16kg |
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 |
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屈服 yield |
16.5 | MPa | ASTM D412 |
拉伸应变 Tensile strain |
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断裂 fracture |
% | ASTM D412 | |
热性能 THERMAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
热固性 thermosetting 3 |
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 |
空气烘箱老化后的机械性能 Mechanical properties of air oven after aging |
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121℃,168 hr,拉伸强度的变化率 121 ℃, 168 hr, rate of change in tensile strength |
% | IEC 60811 | |
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 |
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60 Hz 60 Hz |
ASTM D150 | ||
耗散因数 Dissipation factor |
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60 Hz 60 Hz |
ASTM D150 | ||
补充信息 Supplementary information |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
Horizontal Flame Test Horizontal Flame Test 4 |
备注 |
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1 一般属性:这些不能被视为规格。 |
2 Masterbatch |
3 0.20 MPa |
4 14 AWG-30 mil |
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