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How to do Heat Transfer——Test data for bonding fastness of liquid silicone to hot melt adhesive
Pubdate: 2022-03-18
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I.The washing test results for different types of silicone:

Heat temperature:120 degree, test times:20.The washing test standard all according to the Nike: 20 degree,wash 10 times,each time 45 mins



图片1



Test Sample

Item No.

Silicone Item

Cross Linker

Hot Melt Glue Item 

Catalyst

Washing Test Results


Heat transfer

1

DOW CORNING 9600

RG-1521AB

Hot melt glue RG-1818

RG-B80

2% of peak part unglued

2

SOLLYD RG-2660M-3

RG-1521AB

Hot melt glue RG-1818

RG-B80

2% of peak part unglued

3

SOLLYD RG-2850

RG-1521AB

Hot melt glue RG-1818

RG-B80

no unglued

4

Vinyl solid silicone

RG-1521AB

Hot melt glue RG-1818

RG-B80

25% unglued


Test conclusion:Liquid silicone is more suitable for siliconeheat transfer printing than solid silicone. Among them, RG-2850 has the best effect and stability.


 

V.The washing test results for different hot melt glue: 

The washing test standard all according to the Nike: 20 degree,wash 10 times,each time 45 mins.

 


Test Sample

Item No.

Silicone Item

Cross Linker

Hot Melt Glue Item 

Catalyst

Washing Test Results


Heat transfer

1

SOLLYD RG-2660M-3

RG-1521AB

TPU Hot melt glue

RG-B80

passed,1% of peak park unglued

2

SOLLYD RG-2660M-3

RG-1521AB

TPU Hot melt glue

RG-B80

failed

3

SOLLYD RG-2660M-3

RG-1521AB

TPU Hot melt glue

RG-B80

Passed,no unglued



Testing result: Based on the cross linker RG-1521AB,the stability of hot melt glue type is: TPU hot melt glue film>TPU hot melt glue>TPU hot melt  powder

Pay attentions:above process,we just need to heat the surface dry when heating cross linker and  silicone .Excessive heat will cause the stratification.


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