Products

Stiffeners with thermosetting adhesive for FPC

Thermosetting adhesive is coated to 188µm white PET stiffener.


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Product name

 PET8707/PET8708

Suitable use

 Reinforcement for FPC connectors

Application
  • Computers/
  • AV/
  • Game machines/
  • Cellular phones

Features
  • Thermosetting adhesive is already coated on stiffener.
  • In contrast to conventional FPC stiffeners with adhesive, eliminating dust on the edge of stiffeners.
  • Storage at room temperatures; easy handing.

Structure

Structure

Specifications

Product name PET8707 PET8708
Main component NBR/Epoxy base NBR/Epoxy base
Carrier About 188µm PET About 188µm PET
Color Faint yellow Faint yellow
Adhesive thickness(µm) About 223 About 238
Release paper thickness(µm) About 115 About 115
Bonding strength(N/20mm) *1 10 12
St'd size(width & length) 500mm x 100m 500mm x 100m
Warranty period from manufacturing date 9 months 9 months

*1 90° peeling strength to polyimide
* Recommended curing conditions: thermal lamination:120°C x 34.3 N/cm(line speed: 1m/minute)+ after curing for 2 hours at 120°C.


Application Example

Application Example
Ideal for FPC stiffeners.

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Technical Data

1.Bonding strength (90° peeling )


Test Piece condition
Substrate: Polyimide film
Tape width: 10mm
Bonding condition: *Recommended curing conditions listed above
Measuring condition: 23°C±5°C 60%±20%RH
Peeling speed: 50mm/min
  • [Laminated and left at RT for one hour before measurement]
Results
(N/10mm)
90° peeling strength Product name Bonding strength
PET8707 10
PET8708 12

2. T-type peeling strength (T-peeling)


Test Piece condition
Substrate: Polyimide film
Tape width: 10mm
Bonding condition: *Recommended curing conditions listed above
Measuring condition: 23°C±5°C 60%±20%RH
Peeling speed: 50mm/min
  • [Laminated and left at RT for one hour before measurement]
Results
(N/10mm)
T-type peeling strength Product name Bonding strength
PET8707 12
PET8708 15
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coution
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.