Heat resistant adhesive transfer tapes for FPC
Double coated tapes for fixing FPC stiffener.
Products Category Double coated tapes
Please select the product name :  
G4200D/G4200DW

Product name

 G4200D/G4200DW

Suitable use

 For FPCs.

Application

 Computers / AV / Cellular phones

Features
  • Environmentally friendly non-solvent manufacturing method.
  • Highly adhesive to FPC backing materials (PET, polyimide and metal).
  • Resistant to high-temperature conditions for lead free solder reflow. Little degradation of adhesive and release paper after reflow.
  • High holding power even at high temperature.
  • High processability and workability.

Structure

Specifications
Product name G4200D G4200DW(※2)
Main component Acrylic base Acrylic base
Carrier Non-carrier Non-carrier
Color Semi transparent Semi transparent
Adhesive thickness(µm) 50 50
Release paper thickness(µm) 95 95+130
Bonding strength(N/20mm) 10 10
St'd size (width & length) 500mm x 100m 500mm x 100m 

※2 G4200DW: With both side release paper.

Application Example
For fixing of FPC main body or adhesion of reinforcement.
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Technical Data
1.Bonding strength on various type of substrate (180° peeling) 180°Peeling strength test
Test Piece Condition
Tape width: 20mm
Bonding condition One stroke with 2-kg roller
Measuring condition: 23°C±5°C 60%±20%RH
Peel speed: 300mm/min
Backing material: 25 µm PET
  • [Left at RT for one hour before measurement]
Results
 
2.Peeling strength before and after reflow  
Test Piece Condition
  • Attach adhesive tape to polyimide (kapton® 111H) and reflow without removing release paper before measurement under the following conditions.
  • For reflow conditions, see the reflow graph (maximum temperature: 240°C)
Substrate: Glass epoxy
Tape width: 20mm
Bonding condition: One stroke with 2-kg roller
Measuring condition: 23°C±5°C 60%±20%RH
Peel speed: 300mm/min 
  • [Left at RT for one hour before measurement]
Results
3.Peeling strength of release paper before and after reflow
(T-type peeling and appearance of release paper)
Test Piece Condition
Pretreatment: Reflow release paper/adhesive/kapton® 100H before measurement.
Measuring condition: 23°C±5°C 60%±20%RH
Peel speed: 300mm/min
Results
4.Holding Power at different temperatures Holding power test
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
 
5.Punching processes  
Test Piece Condition
Blade type: Pinnacle type
Cutting type: Half cutting
Results
  G4200D
2000 shots No adhesive left on blade
3000 shots No adhesive left on blade
5000 shots No adhesive left on blade
  Photograph of appearance after 5000 shots
 
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caution The technical data in this document, which was acquired based on reliable tests, does not guarantee full performance as per the documentation in any instance. Users assume total responsibility and risk for use of this product for any purpose under any usage conditions.
※"kapton® Polyimide film" is a registered trademark of DuPont Co,Ltd. in the United States.