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Main Features of Tape

Time of issue:

2017-11-18 16:49

Source:

 
Initial adhesion: 
 
 
Describe the performance of the adhesive first contact with the surface。
 
In the smallest pressure and the shortest contact time to take effect。
 
Irrelevant to the adhesive force which is generated after pressure
 
Strong initial adhesion can support adhesion to rough surfaces
 
 
Test Method: ball rolling test method (initial viscosity)
 

 
Bonding force: 
 
 
Describe the attractiveness of the adhesive and the object surface.
 
It is a very important performance of tape.
 
Applying pressure to the bonding surface creates the bonding force.
 
Usually increase by 15% to 150% within the first day.
 
Depond on the glue, pasted object, pressure, time and environmental conditions。
 
 
Test Method: Adhesion：
 
Test Conditions:
 
-       Substrate:  steel
 
-       Tape width:  20mm
 
-       Roll down:  4kg, 10m/min, 5 back&forth
 
-       Reinforcement:  25 um PET film
 
-       Dwell time:  immediately
 
-       Peel speed:  300 mm/min
 
-       Measurement condition: 23±1℃， 50±5% Rel. Humidity
 
-       Measurement unit: N/CM
 
 
 
Cohesion: 
 
 
Describe the internal strength of the adhesive
 
Mainly determines the retention force in the application
 
If external forces act parallel to the bonding surface, this application is related to cohesion
 
 
Test Method: Retention
 
Test Conditions:
 
-       Material:  steel plate for shear test
 
-       Bonding area:  25mm x 25mm
 
-       Presure:  625N, 5s
 
-       Dwell time:  <30min/24hrs at RT
 
-       Velocity: 50 mm/min
 
-       Temperature: 23±1℃， 50±5% Rel. Humidity
 
-       Measurement unit: N/CM2
 
 
 
 
 
 

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