Oasis® 120TWT561

 
 
 

Unique Bonding Characteristics for Modern Composite Wire Insulations

Processing of this material can be done on most wire taping standard polyimide films.

DuPont™ Oasis® 120TWT561 is a heat sealable composite film that is made using DuPont high strength polyimide film and fluoropolymer designed to meet the light weight wire requirements of AS22759/80-92. 120TWT561 film has a unique balance of excellent electrical, thermal durability, and chemical resistance properties, including improved hydrolytic stability, that make it ideal for the next generation of aerospace wire designs.

120TWT561 film possesses excellent bonding characteristics to itself and to other fluoropolymer-containing materials, while providing low adhesion to metal conductors. These unique bonding characteristics should provide a wide operating window for producing modern composite wire insulations.

Applications

• Aerospace Wire and Cable
    o Airframe wires
    o Hookup wires
    o General purpose aircraft wires
• Bonding

Table 1. Typical Properties of Oasis® 120TWT561 Film

PROPERTY

UNITS

TYPICAL VALUE

TEST METHOD

Thickness

mil

1.2

ASTM D374

Density

g/cc

1.78

ASTM D1505

Tensile Strength

kpsi

31

ASTM D882

Tensile Modulus

kpsi

500

ASTM D882

Elongation

%

60

ASTM D882

Moisture Content

%

<1.0

DuPont Test Method

Heat Seal Strength at 350°C

g/cm

500

DuPont Test Method

Seal Initiation Temperature

°C

280

DuPont Test Method

Dielectric Strength

V/mil

4150

ASTM D149

Dissipation Factor at 1 kHz

-

0.010

ASTM D150

Dielectric Contant at 1 kHz

-

2.85

ASTM D150

Volume Resistivity

ohm-cm

1016

ASTM D257

Yield

ft2/lb

53.2

DuPont Test Method

Product Data Sheets
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