MEGOLON™ HF 8142 NATURAL UV

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A FLEXIBLE, THERMOPLASTIC, ZERO HALOGEN, 105°C RATED, FLAME RETARDED, OLEFINIC, UV RESISTANT COMPOUND INTENDED FOR DEMANDING TELECOMMUNICATION CABLES.&&

Product Description
Generic热塑性聚酯
Material StatusCommercial: Active
FeaturesWeather resistance is good,Good flexibility,Halogen free,Flame Characteristics
AvailabilitysNorth America,Europe
Process MethodsExtrusion

Technical Data
PHYSICALNominal valueUnitTest method
Density1.47 to 1.53g/cm³ASTM D792
Melt Flow Rate
190℃,10.0kg2.5g/10minASTM D1238

elastic bodyNominal valueUnitTest method
tensile strength
0.762 mm11.7MPaASTM D412
Tensile strain
Fracture, 0.762 mm130%ASTM D412

MECHANICALNominal valueUnitTest method
Shore hardness ASTM D2240
Shaw’s D57 to 63 ASTM D2240
Shore D, 15 seconds48 to 54 ASTM D2240

THERMALNominal valueUnitTest method
Embrittlement temperature-20.0ASTM D746
Hot pressure test (% Loss, 80 ℃)20%IEC 811-3-1
Temperature index> 355NES 715

Aging performanceNominal valueUnitTest method
The rate of change in tensile strength in air (136 ℃, 168 hr)-6.0%UL Unspecified
The rate of change in ultimate elongation in air
136℃,168 hr-13%UL Unspecified
The rate of change in tensile strength
70℃,4 hr,in ASTM #2 Oil-29%UL Unspecified
Change in Ultimate Elongation(70℃,4 hr,in ASTM #2 Oil)22%UL Unspecified

Electrical performanceNominal valueUnitTest method
Dielectric constant ASTM D150
23 ℃,1 MHz3.58 ASTM D150
23 ℃,100 MHz3.49 ASTM D150
23 ℃,200 MHz3.46 ASTM D150
23 ℃,350 MHz3.45 ASTM D150
23 ℃,600 MHz3.41 ASTM D150
23 ℃,1.00 GHz3.38 ASTM D150
Dissipation factor ASTM D150
23℃,1 MHz0.022 ASTM D150
23℃,100 MHz0.014 ASTM D150
23℃,200 MHz0.012 ASTM D150
23℃,350 MHz0.010 ASTM D150
23℃,600 MHz8.5E-3 ASTM D150
23℃,1 GHz7.9E-3 ASTM D150

FLAME CHARACTERISTICSNominal valueUnitTest method
Extreme oxygen index
3.18 mm44%ASTM D2863
Conductivity of acidic gas emissions0.380µS/mmIEC 60754-2
Acid gas emission pH5.40 IEC 60754-2
Halogen Content 
< 5mg/gIEC 754-1
0%MIL C-24643
Smoke index5.35 NES 711
toxicity4.60 NES 713

Process Conditions
ExtrusionNominal valueUnitTest method
Drying temperature80°C
Drying time2.0hr
Recommended maximum moisture content0.040%
Barrel 1 zone temperature154°C
Barrel 2 zone temperature160°C
Barrel 3 zone temperature166°C
Barrel 4 zone temperature171°C
Barrel 5 zone temperature171°C
Connector temperature177°C
Melt temperature171 to 182°C
Nozzle temperature177°C
Extruder screw compression ratio1.5:1.0 to 2.5:1.0 

Notes
1. Typical properties: these are not to be construed as specifications.
2. Thickness: 30 mil
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