SI-LINK™ DFDB-5400 NT

About
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
SupplierDOW
GenericPE
Material StatusCommercial: Active
FeaturesWeather resistance is good
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe

Technical Data
PHYSICALNominal valueUnitTest method
Density1.04g/cm³ASTM D792
The degree of cross combination> 80%ASTM D2765A

elastic bodyNominal valueUnitTest method
tensile strength2000MPaASTM D412
Tensile strain
fracture300%ASTM D412

Aging performanceNominal valueUnitTest method
Change in Relative Permittivity UL 44
1-14 days2.0%UL 44
7-14 days1.0%UL 44
Tensile strength retention rate
7 days,121℃80%ASTM D412
Elongation retention rate
7 days,121℃80%ASTM D412

THERMALNominal valueUnitTest method
thermal deformation
131℃< 20%UL 44
thermosetting
Elongation rate: 200 ℃< 50%IEC 60811-2-1

Electrical performanceNominal valueUnitTest method
Relative permittivity3.00 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 CHARACTERISTICSNominal valueUnitTest method
Extreme oxygen index26%ASTM D2863
Flame test
HorizontalPass UL 44

Supplementary informationNominal valueUnitTest method
Crushing Test6005NUL 44
Flexibility – 4 hrs(-25℃)No visible cracks UL 854

Process Conditions
ExtrusionNominal valueUnitTest method
Drying temperature66°C
Drying time4.0 to 6.0hr
Barrel 1 zone temperature149°C
Barrel 3 zone temperature160°C
Barrel 5 zone temperature171°C
Melt temperature185°C
Head temperature171°C
Nozzle temperature171°C

Notes
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