Double coated tapes

Thermal conductive adhesive transfer tapes

Flexible. Highly thermal conductive.

  • Product name
    UT2525P
  • Features
    • No solvent used at coating process. UV curable manufacturing method.
    • Has a high thermal conductivity, suppress the warpage of the board LED.
    • Good reworkability PET base material specification.
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Structure

Specifications

Product name UT2525P
Main component Acrylic base
Carrier PET
Color White
Adhesive thickness(µm) About 250
Release film thickness(µm) About 140
Bonding strength(N/20mm) *1 5
St'd size(width & length) 500mm×50m
Warranty period from manufacturing date 12 months
  • UL Certificated File No.E63260 UL94 VTM-2
    *1 90° peeling strength

Suitable for fixing the heat sink of LED backlight and LED illumination device.

1.Bonding strength on various type of substrate (90° peeling)

Test Piece condition

Tape width:20mm
Bonding condition:One stroke with 2-kg roller
Measuring condition:23°C±5°C 60%±20%RH
Peeling speed:300mm/min
Backing material:40µm aluminum foil

[Left at RT for one day before measurement]

Results

(N/20mm)

90° peeling strength Product name Substrate
SUS Aluminum SECC
UT2525P 10 6 7

2.Bonding strength on various type of substrate (180° peeling)

Test Piece condition

Tape width:20mm
Bonding condition:One stroke with 2-kg roller
Measuring condition:23°C±5°C 60%±20%RH
Peeling speed:300mm/min
Backing material:25µm PET

[Left at RT for one hour before measurement]

Results

(N/20mm)

180° peeling strength Product name Substrate
SUS Aluminum SECC
UT2525P 16 12 13

3.Holding power at different temperatures

Test Piece condition

Substrate:Stainless steel plate (SUS304)
Bonding area:25mm x 25mm
Bonding condition:One stroke with 2-kg roller
Backing material:40µm aluminum foil

[Left at RT for one hour and then at each temperature for 30 minutes before measurement]
[Creep length after one hour application of 1-kg load]

Results
Creep length (mm) Product name Measurement temperature
60°C 100°C
UT2525P 0.5 0.6

4. Heat resistance and thermal conductivity

Test Piece condition

Bonding area:15mm x 15mm
Setting electric power of heater:10W
Bonding pressure:0.3MPa

[Left at RT for 30 minutes or more and measure heat resistance]

Results
Product name UT2525P
Heat resistance (°C/W) ※1 1.4
Thermal conductivity (W/(m・K)) ※2 0.8
  • ※1 Measured by our self-made heat resistance meter
    ※2 Computed from the heat resistance

caution

Note on the characteristic data given - Data on the characteristics of the products described in this page based on the results of evaluations carried out by the company. This does not guarantee that the characteristics of the product conform with your usage environment. Before use, review the usage conditions based on evaluation data obtained from the equipment and substrates actually used.

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