UNIGARD™ RE DFDC-1638 BK

About
UNIGARD™ RE DFDC-1638 Black is a non-halogen, highly flame retardant, thermoplastic, low smoke, low corrosive, and low toxic compound. It is designed for general purpose cable jacket applications. Used as jacket, it easily passes the IEEE-383/UL-1685 (Limited Smoke Test) vertical tray cable burn tests. Cable construction, of course, plays an important role in flame performance. It can be used as a jacket on cables operating at up to 90°C. This compound can replace PVC, low smoke PVC, and halogenated rubbers as a jacket with excellent fire safety (low smoke, low corrosivity, and low toxicity) and good property balance. This compound meets or exceeds many industry jacket specifications: UL-1277 Tray Cable, UL Subject 444 for general purpose communication cable, mass transit applications, and several international applications. As a non-halogen, flame retardant jacket, DFDC-1638 Black is also designed to replace the conventional non-halogen jacket products. This compound has much better process-ability than current non-halogen jacket products. It can sustain a higher extrusion temperature (up to 392°F [200°C]), and can be extruded in the typical single-flight metering PE screws. Features UNIGARD RE DFDC-1638 Black provides the following features: Highly flame retardant (IEEE 383 flame test rating) Environmentally friendly (lead-free, halogen-free, sulfur/antimony-free) Low smoke, low corrosivity, and low toxicity Ease of extrusion and no special screw required Excellent cut-through, crush, and abrasion resistance Good UV, moisture and fluid resistance Good balance of toughness and flexibility Track and erosion resistant&&

Product Description
SupplierDOW
Generic热塑性聚酯
Material StatusCommercial: Active
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe
Process MethodsExtrusion

Technical Data
PHYSICALNominal valueUnitTest method
Density1.50g/cm³ASTM D1505
Mechanical water absorption rate
70℃,7days14.3mg/in²UL 1581
ESCR(Environmental Stress Cracking Resistance)
10% non-ionic detergent720hrASTM D1693

elastic bodyNominal valueUnitTest method
tear strength
cracking6.1kN/mASTM D470

Aging performanceNominal valueUnitTest method
Tensile strength retention rate ASTM D638
100℃95%ASTM D638
7 days:121℃110%ASTM D638
Elongation retention rate ASTM D638
100℃70%ASTM D638
7 days:121℃63%ASTM D638

THERMALNominal valueUnitTest method
Embrittlement temperature-20.0ASTM D746
thermal deformation UL 1581
100℃5.2%UL 1581
121℃49%UL 1581

Electrical performanceNominal valueUnitTest method
Volume resistivity3.9E+14ohms·cmASTM D257
Dielectric constant ASTM D150
60 Hz3.72 ASTM D150
100 kHz3.63 ASTM D150
1 MHz3.56 ASTM D150
Dissipation factor ASTM D150
60 Hz5.0E-3 ASTM D150
100 kHz7.2E-3 ASTM D150
1 MHz0.013 ASTM D150

FLAME CHARACTERISTICSNominal valueUnitTest method
Extreme oxygen index40%ASTM D2863
Acid gas test MIL C-24643
Acid by Weight0.43%MIL C-24643
US Navy pH3.30 MIL C-24643
toxicity0.820 NES 713
Acid gas emission pH
International Electrotechnical Comm.5.20ppgIEC 754-2
Conductivity of acidic gas emissions
Conductivity Change< 1.00µS/mmIEC 754-2
Temperature index (combustion) – Critical> 375NES 715
smoke
2.54 mm12.0 NES 711
Smoke density ASTM E662
Flaming Mode – D1.5:2.54 mm0.40 ASTM E662
Flaming Mode – D4.0:2.54 mm2.7 ASTM E662
Flaming Mode – Dm,(corr.):2.54 mm59 ASTM E662
Non combustion mode – D1.5:2.54 mm0.70 ASTM E662
Non combustion mode – D4.0: 2.54 mm21 ASTM E662
Non combustion mode – Dm, (cor.): 2.54 mm280 ASTM E662

Supplementary informationNominal valueUnitTest method
Track and Erosion ResistancePass @ 240 hrs ASTM D2132
Sunshine resistantPass UL 1581

MECHANICALNominal valueUnitTest method
Shore hardness
Shaw’s A88 ASTM D2240
tensile strength13.8MPaASTM D638
Tensile strain
fracture160%ASTM D638
Bending modulus
1% secant207MPaASTM D790
Wear resistance1%ASTM D1044
Shrinkback(4 hrs,100℃)5.3%REA 89

Notes
1. Typical properties: these are not to be construed as specifications.
2. 1000 cycles
3. 10 days. Based on 0.045 in./14 AWG (1.63 mm dia.) wires.
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