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Kapton® MTB Black Thermally Conductive Polyimide Film----[[LIREN ELECTRICAL INSULATION MATERIALS]]
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MTB Thermally Conductive Black Polyimide Film

 

Description:

MTB Black Polyimide Film (e.g Kapton® MTB, LIREN® MTB film) is a thermally conductive opaque film, possesses higher thermal conductivity properties than standard polyimide film. This property makes it ideal for applications requiring efficient thermal energy transfer, such as loudspeaker voice coils frame, electrical insulating pads and flexible printed circuit board. Moreover it also can offer an excellent combination of electrical, physical and mechanical properties.

Characteristics

 • Excellent thermal conductivity

 • High opacity black film

 • Good dimensional stability

 • Chemical resistance

 • Flame resistance UL V-0

 • High and low temp resistance

Application:

       • Voice coil frame of loudspeaker

       • High temperature resistant label

       • Flexible Printed Circuit (FPC)

 Insulation Pads (heat sink)

  • Military applications

Technical Data:

Properties

Units

MTB Thermally Conductive Black Polyimide Film Typical Value

LR-PI 100MTB

LR-PI 200MTB

LR-PI 300MTB

LR-PI 500MTB

Nominal Thickness

m

25

50

75

125

Thickness Tolerance

m

2.5

4

6

8

Film Width

mm

520

520

520

520

Tensile Strength

MPa

150

140

135

130

Elongation

%

45

45

45

45

Dielectric Strength

MV/m

100

90

80

75

Surface Resistivity

1x1010

1x1010

1x1010

1x1010

Volume Resistivity

.cm

1x1012

1x1012

1x1012

1x1012

Shrinkage, at 150

%

0.10

0.10

0.10

0.10

Thermal Conductivity

W/m⋅K

0.41

0.41

0.41

0.41

Appearance

 

P Type: Polished / Polished;  MP Type: Matte / Polished

 

Roll Size: 3" paper or plastic core, from 6mm width upward, standard width 520mm.

   Special thickness or combinations can be supplied per customer's request.

Note: The technical information, data, recommendations, and other statements provided are based on tests or research which we believe to be reliable, but such information shall in no event constitute a warranty of any kind by Liren. Before using this product, all purchasers should carefully evaluate its suitability for their intended applications. Kapton® is a registered trademark of DuPont. LIREN® is a registered trademark of Liren Elec Insulation Materials Pte Ltd.

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