About |
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SI-LINK™ DFDB-5400 NT is a RoHS (Reduction of Hazardous Substances)-compliant flame retardant masterbatch designed to be used in conjunction with SI-LINK™ DFDA-5451 NT Polyethylene and the catalyst masterbatch SI-LINK™ DFDB-5480 NT Polyethylene to form a flame retardant SI-LINK polyethylene insulation system. This system is bulletinized by UL as DFDB-5425 and is moisture curable. The specific gravity of the system is 1.04. It is recommended for use in low voltage power cable and industrial cable applications. SI-LINK™ DFDB-5400 NT is formulated to pass the UL-44 horizontal burn test on 14 AWG (1.63 mm) wire, 0.030 in. insulation wall thickness, at a 25% loading with 70% SI-LINK™ DFDA-5451 NT and 5% SI-LINK™ DFDB-5480 NT. UV resistance allowing the wire to be printed “SunRes” may be achieved with the addition of a UV stabilizer package. The formulation for such an additive is available upon request and the resulting product is bulletinized by UL as DFDB-5425 UV. For accelerated curing applications SI-LINK™ DFDB-5400 NT can be used in conjunction with SI-LINK™ AC DFDB-5451 NT Polyethylene and the catalyst masterbatch SI-LINK™ AC DFDA-5488 NT Polyethylene to form a flame retardant SI-LINK™ AC polyethylene insulation system. This system is recognized by UL as DFDB-5425 AC. It is formulated to pass the UL-44 horizontal burn test on 14 AWG (1.63 mm) wire, 0.030″ wall thickness, at a 25% loading with 70% SI-LINK™ DFDB-5451 NT and 5% SI-LINK™ AC DFDA-5488 NT. SPECIFICATIONS The DFDB-5425 systems are bulletinized by UL for XHH, XHHW, XHHW-2, RHH, RHW, RHW-2, SIS, USE and USE-2. They are also suitable for CSA RW-90, and RWU-90 applications.&& |
Product Description | |
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Supplier | DOW |
Generic | PE |
Material Status | Commercial: Active |
Features | Weather resistance is good |
Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | 1.04 | g/cm³ | ASTM D792 |
The degree of cross combination | > 80 | % | ASTM D2765A |
elastic body | Nominal value | Unit | Test method |
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tensile strength | 2000 | MPa | ASTM D412 |
Tensile strain | |||
fracture | 300 | % | ASTM D412 |
Aging performance | Nominal value | Unit | Test method |
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Change in Relative Permittivity | UL 44 | ||
1-14 days | 2.0 | % | UL 44 |
7-14 days | 1.0 | % | UL 44 |
Tensile strength retention rate | |||
7 days,121℃ | 80 | % | ASTM D412 |
Elongation retention rate | |||
7 days,121℃ | 80 | % | ASTM D412 |
THERMAL | Nominal value | Unit | Test method |
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thermal deformation | |||
131℃ | < 20 | % | UL 44 |
thermosetting | |||
Elongation rate: 200 ℃ | < 50 | % | IEC 60811-2-1 |
Electrical performance | Nominal value | Unit | Test method |
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Relative permittivity | 3.00 | UL 44 | |
Capacitance | UL 44 | ||
pf,1 day:90℃ | 750 | UL 44 | |
pf,14 days:90℃ | 750 | UL 44 | |
pf,7 days:90℃ | 750 | UL 44 |
FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
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Extreme oxygen index | 26 | % | ASTM D2863 |
Flame test | |||
Horizontal | Pass | UL 44 |
Supplementary information | Nominal value | Unit | Test method |
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Crushing Test | 6005 | N | UL 44 |
Flexibility – 4 hrs(-25℃) | No visible cracks | UL 854 |
Process Conditions | |||
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Extrusion | Nominal value | Unit | Test method |
Drying temperature | 66 | °C | |
Drying time | 4.0 to 6.0 | hr | |
Barrel 1 zone temperature | 149 | °C | |
Barrel 3 zone temperature | 160 | °C | |
Barrel 5 zone temperature | 171 | °C | |
Melt temperature | 185 | °C | |
Head temperature | 171 | °C | |
Nozzle temperature | 171 | °C |
Notes |
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