DOW™ Electrical & Telecommunications DFDA-1648 NT EXP1

Fluid Resistance:

• Oil , IRM #902, 7 days, 23°C

• Tensile Strength Retention: 87.6%

• Elongation Retention: 89.8%

• Oil , IRM #902, 4 hrs, 70°C

• Tensile Strength Retention: 75.9%

• Elongation Retention: 86.1%

• Turbine Fuel, JP-5, MIL-T-5624, 24 hrs, 23°C

• Tensile Strength Retention: 63.8%

• Elongation Retention: 74.1%

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Uses may also be described by the following terms: Wire and Cable Applications, Wire & Cable Applications, Communication Wire Jacketing, Industrial Cable Jacketing, Flame Retardant Jacketing, LSZH Jacketing.

This plastic material has 4 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): CSA (1), IEEE (1), UL (1), IEC (1).

DFDA-1648 NT EXP1 can be processed on commercial thermoplastic extrusion equipment. Processing practices necessary to achieve optimum characteristics will be dependent on the particular equipment used and can be determined only by extrusion trials.

Typical Extrusion Conditions

• Typical commercial extrusion conditions are shown below as a guide. Each extrusion system is unique and will require optimization of these conditions for the specific unit.

EXTRUDER

• Screw L/D: 20:1 to 24:1

• Screw Type: Single Flight

• Compression Ratio: 2:1 to 3:1

• Screenpack: 12 or 20 mesh

• Draw-Down Ratio (DDR for semi pressure or tube on): Up to 3.5

TEMPERATURE PROFILE

• BARREL:

• Feed Zone: 266°F (130°C)

• Center Zones: 284°F (140°C)

• Metering Zone: 293°F (145°C)

• CROSSHEAD:

• Head: 320°F (160°C)

• Die: 320°F (160°C)

• Melt Temperature: < 338°F (170°C)

• SCREW:

• Circulating Water: Neutral

Compound Drying

• Drying before extrusion in a dehumidifying hot air dryer for a minimum of 6 hours at 140°F (60°C) is recommended to avoid jacket porosity and to improve the extrusion quality. Do not heat over 195°F (90°C).