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Visico™ LE4421/LE4460/ LE4437
| Category: | PE, Unspecified , Polyethylene |
| Manufacturer: | Borealis AG |
| Trademark: | Visico™ |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | zt7NTL_Visico-LE4421-LE4460-LE4437.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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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. |
| General Information | |
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| Features |
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| Uses |
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| Agency Ratings |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | ASTM D792 | ||
| Base Resin | 0.923 | g/cm³ | |
| Yellow | 0.941 | g/cm³ | |
| -- 1 | 2.00 | g/cm³ | |
| Melt Mass-Flow Rate (MFR) (190°C/2.16 kg) | 0.90 | g/10 min | ASTM D1238 |
| Elastomers | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength (Yield) | 16.5 | MPa | ASTM D412 |
| Tensile Elongation (Break) | 300 | % | ASTM D412 |
| Aging | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Mechanical Properties After Aging in Air Oven, 121°C, 168 hr (Change in Tensile Strength) | < -10 | % | IEC 60811 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Hot Set 2 | ICEA T-28-562 | ||
| Elongation under load : 150°C | < 50 | % | |
| Permanent deformation : 150°C | < 5.0 | % |
| Additional Information | Nominal Value | ||
|---|---|---|---|
| Horizontal Flame Test 3 | PASS |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Volume Resistivity | 1.0E+16 | ohms·cm | ASTM D257 |
| Dielectric Strength | > 22 | kV/mm | ASTM D149 |
| Dielectric Constant (60 Hz) | 2.50 | ASTM D150 | |
| Dissipation Factor (60 Hz) | 5.0E-4 | ASTM D150 |
| Extrusion | Nominal Value | Unit | |
|---|---|---|---|
| Cylinder Zone 1 Temp. | 146 | °C | |
| Cylinder Zone 2 Temp. | 163 | °C | |
| Cylinder Zone 3 Temp. | 171 | °C | |
| Cylinder Zone 4 Temp. | 171 | °C | |
| Die Temperature | 177 | °C |
| Note Message | |
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| 1 . | Masterbatch |
| 2 . | 0.20 MPa |
| 3 . | 14 AWG-30 mil |
| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| SUMIPLOY® AS1411 | Sumitomo Chemical Co., Ltd. | PESU | SUMIPLOY® |
| TYNE® Olefins W7401 | Tyne Plastics LLC. | HDPE | TYNE® Olefins |
| Borealis PP RA130E-6020 | Borealis AG | PP Random Copolymer | Borealis PP |
| ColorFast® PBT100 | LTL Color Compounders, Inc. | PBT | ColorFast® |
| CYCOLOY™ CM6140 resin | SABIC Innovative Plastics | PC+ABS | CYCOLOY™ |
