UNIGARD™ HP HFDA-1544 NT

Category: PE Copolymer , Halogenated Flame Retardant Insulation Compound
Manufacturer: The Dow Chemical Company
Trademark: UNIGARD™
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: GOXsND_UNIGARD-HP-HFDA-1544-NT.pdf
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Control cable insulation

UNIGARD™HP HFDA-1544 Natural is a flame-retardant, peroxide-cured polyethylene copolymer used as a wire insulation material. It is recommended to apply it to 600 volt power cables and control cables. It is suitable for wet and dry occasions such as UL XHHW-2 or Canadian Standards Association (CSA) RW-90 at an operating temperature of 90°C. When this product was developed, it was considered to widen its processing temperature window to reduce the scorch phenomenon in the extrusion system that can cause problems, and reduce odor and head drop due to the use of peroxide curing system.

Specifications
HFDA-1544 Natural have been UL announced to meet the requirements of XHHW, XHHW-2, RHH, RHW, RHW-2, SIS, USE, USE-2 and VW-1 applications. The material is also applicable to applications specified by the Canadian Standards Association NMD-90 and RW-90.
General Information
Uses
  • Flame Retardant Insulation
  • Halogenated Insulation
  • Low voltage insulation
  • Wire and cable applications
  • Insulating material
  • Moisture-resistant insulating material
Forms
  • Particle
Processing Method
  • Extrusion
PhysicalNominal ValueUnitTest Method
Density 1.30g/cm³ASTM D1505
MechanicalNominal ValueUnitTest Method
Tensile Strength 13.8MPaASTM D638
Tensile Elongation (Break)330%ASTM D638
Flexural Modulus - 1% Secant 124MPaASTM D790
AgingNominal ValueUnitTest Method
Tensile strength retention- 7 days (121°C)100%ASTM D638
Elongation retention rate- 7 days (121°C)95%ASTM D638
ThermalNominal ValueUnitTest Method
Deformation (121°C)10%UL 1581
ElectricalNominal ValueUnitTest Method
Insulation resistance- in water (16°C)50000Mohms/1000 ftUL 44
FlammabilityNominal ValueUnitTest Method
VW-1 - Vertical Burn Test (No. 14 AWG (1.63 mm dia.) PassUL 44
Flame test- Horizontal, No. 14 AWG (1.63mm dia.) 0.030 in. wall PassUL 44
ThermalNominal ValueUnitTest Method
Brittleness Temperature -55.0°CASTM D746
ElectricalNominal ValueUnitTest Method
Dielectric Constant (60 Hz)3.20ASTM D150
Dissipation Factor (60 Hz)3.0E-3ASTM D150
FlammabilityNominal ValueUnitTest Method
Oxygen Index 29%ASTM D2863
Additional Information
变形,UL-1581,121°C:10%拉伸强度保持,ASTM D638,在 121°C 下 7 天后:100%拉伸伸长率保持,ASTM D638,在 121°C 下 7 天后:95%
Figure 5: EM-60 Data HFDA-1544 Specific Inductance Capacitance in 90°C water
Extrusion instructions
The Extrusion Profile summarizes conditions for a commercial extrusion run on UNIGARD-HP HFDA-1544 Natural. Using these conditions with a standard polyethylene screw afforded high quality finished wire meeting the specifications set forth in Underwriters Laboratories, Subject 44 (XHHW, SIS, USE, A, B or C applications and VW-1). Exact extrusion characteristics will, of course, be dependent on the equipment in use and can only be determined during cable trials. Hopper drying at 150°F (65°C) before extrusion is recommended to remove moisture and diminish the possibility of die drool.Extrusion Profile Compound: HFDA-1544 on #14 7/STR (1.84 mm) Bare Copper, .030 in, 3 1/2 in Extruder Head: 235°F (113°C) Die: 180°F (82°C) Zones: RF 235, 235, 235, 240, 250°F (113, 113, 113, 115,121°C) Screw: 180°F (82°C) Stock: 250°F (121°C) Speed: Dependent on steam leg length. Allow for residence time of approximately 1 min. for 14 AWG (1.63 mm dia.) and 0.030 in. wall.
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