Double coated tapes

Low outgas adhesive double coated tapes

Low outgassing. Excellent damper effect.

  • Product name
    T4412WP
  • Features
    • Excellent bonding characteristics for stainless steel, Aluminum and plastics.
    • Low outgassing.
    • PET carriers for excellent handling and punching process.

Structure

Specifications

Product name T4412WP ※2
Main component Acrylic base
Carrier PET film
Color Transparent
Adhesive thickness(µm) About 55
Release paper thickness(µm) About 75+75
Bonding strength(N/20mm) ※1 12
St'd size(width & length) 500mm x 100m
Warranty period from manufacturing date 12 months
  • ※1180° peeling strength
  • ※2With both side release film.

Ideal for fixing FPC in HDD due to low outgassing characteristics.

1.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
Stainless steel Polymide
T4412WP 12 11

2.Bonding strength at different temperatures(180° peeling)

Test Piece condition

Substrate:Stainless steel plate(SUS304)
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 and then at each temperature for 5 minutes before measurement]

Results
180° peeling strength Product name Measurement temperature
23°C 40°C 60°C 80°C
T4412WP 12 10 9 6

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:25µm PET

[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
40°C 100°C
T4412WP 0.2 0.3

4.Outgas

Test Piece condition

Test method:Dynamic headspace method (Purge & Trap) Gas chromatography-mass spectrometry. (Desorption and purge : 250°C 15min, He 100ml/min,
Trap : -60°C, Tenax TA)
Outgassing condition:120°C 1hour
Standard substance:Tetra-decane

Results
Outgas(ppm) Product name Tetra-decane conversion
T4412WP 30

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.