Products

Polyurethane hot melt adhesives

Weldtone has developed a variety of PUR products for touch panel assembly, structural parts assembly and small electronic components assembly in intelligent electronic products. These adhesives offer high bonding strength, fast curing, good light blocking and excellent reliability.

Benefits


Polyurethane hot melt adhesives Series
Product Name Appearance Description Viscosity(cPs@100°C) Open Time(min) Tensile Strength(PC-PC)(MPa) Hardness More parameters
3200S Milky White High initial strength
Superior final strength
Bonding various substrates
7,000~11,000 2~4 9.67 D32 Detailed introduction
7038B Black Excellent  impact resistance 
Superior final strength
Easy to rework
3,000~5,000 5~6 8.00 D28 Detailed introduction
2128F Milky White High initial strength
Superior final strength
Bonding various substrates
6,000~9,000 2~3 7.70 D31 Detailed introduction
7038BR Black Fast Curing                             
Superior final strength
Easy to rework
7,500~10,500 5 9.40 A66 Detailed introduction
9001 Light Yellow Good light transmittance
Resistance to wet-heat aging
Bonding various substrates
2,500~5,500 10 12 D29 Detailed introduction
2303 Light Yellow or Milky White High bonding strength and impact resistance 
Long opening time, suitable for bonding various substrates
3,500~6,500 4~5 11.97 D28 Detailed introduction
5354BR Black Extremely high bonding strength 
Good adhesion to plastic and metal substrates 
Excellent iMPact resistance 
4,500~7,500 4 12.56 D31 Detailed introduction
5354R Light Yellow or Milky White High initial strength
High temperature creep resistance
Good adhesion to plastic and metal substrates 
4,500~7,500 4 8.11 D31 Detailed introduction
M5300 Matte Black or Dumb Dark Grey Excellent grey-black matte effect
Super high bonding strength to TR90, suitable for all kinds of substrates bonding
Excellent oleic acid and sebum resistance
Pass ISO 10993 certification
8900 2~4 PC-PC:8.01
PA-PA:10.93
A86 Detailed introduction
TF023 Black Low viscosity
Fast curing
Light blocking
Designed for LCM edge bonding    
1,000~2,000 <2 6.76 (SS-Glass) D31 Detailed introduction
TF021S-85 Black Low viscosity
Fast curing
Light blocking 
Designed for LCM edge bonding         
1,000~2,000 < 3 6.78 (SS-Glass) D31 Detailed introduction
3280 Milky White Fast curing
Ultra-high initial strength
Reworkable
Excellent thermal stability             
Excellent reliability
7,000~10,000 5 8.53 D32 Detailed introduction
32297 Light Yellow /Milky White Fast curing 
Ultra-high initial strength
No "tailing" problem in dispensing process 
Excellent thermal stability            
Excellent reliability
2,000~4,000 <2 8.12 D32 Detailed introduction
7012S-LV-126 Light Yellow /Milky White Low viscosity                       
Suitable for jetting application
High bonding strength
Excellent reliability 
Good adhesion to  plastic and metal substrates        
2,500~3,500 8~12 9.83 D31 Detailed introduction
7012S-LV Light Yellow /Milky White Suitable for jetting application
High bonding strength 
Excellent reliability 
Good adhesion to  plastic and metal substrates    
3,500~5,500 4~6 11.53 D32 Detailed introduction
7012S Light Yellow /Milky White Fast curing  
High initial strength 
Medium open time
7,000~11,000 2~4 8.38 D32 Detailed introduction
5400 Light Yellow /Milky White Low viscosity 
Designed for sealing application
2,000 ~4,500 4~6 9.04 D30 Detailed introduction
DP421-1 Black Low viscosity 
Fast curing 
Light blocking 
Designed for LCM edge bonding(especially for camera round hole)
3,500~6,500 2~4 6.96 (SS-Glass) D31 Detailed introduction
PGS302B Black Excellent reliability
Reworkable
Good adhesion to plastic and metal substrates
Excellent impact resistance   
4,000~7,000 5~6 10.55 D30 Detailed introduction
PGS302 Light Yellow /Milky White Excellent reliability 
Reworkable
Good adhesion to plastic and metal substrates 
Excellent impact resistance   
4,000~7,000 5~6 10.55 D30 Detailed introduction
5300B Black High bonding strength 
Good impact resistance 
Good adhesion to a variety of substrates    
3,500~6,500 4 11.97 D28 Detailed introduction
6036 Light Yellow /Milky White Superior Fast curing 
Superior high initial strength
22,000~28,000@120℃ 2~3 8.32 D32 Detailed introduction
7128B Black Excellent reliability 
Reworkable 
Good adhesion to plastics (especially PC substrates  )
Designed for ultra-narrow edge bonding
5,000~8,000 4~6 11.35 D31 Detailed introduction
7128 Light Yellow /Milky White Excellent reliability 
Reworkable   
Good adhesion to plastics (especially PC substrates  )
Designed for ultra-narrow edge bonding
5,000~8,000 4~6 11.35 D31 Detailed introduction
7025BH Black Excellent reliability  
Reworkable 
Good adhesion to plastics (especially PA and ABS substrates)
Designed for ultra-narrow edge bonding
4,000~7,000 4 11.21 D31 Detailed introduction
7025EH Light Yellow /Milky White Excellent reliability
Reworkable  
Good adhesion to plastics (especially PA and ABS substrates)
Designed for ultra-narrow edge bonding
4,000~7,000 4 11.21 D31 Detailed introduction
7025BS 黑色 Excellent reliability
Reworkable
Good adhesion to plastics (especially PA  substrates)
Designed for ultra-narrow edge bonding
5,000~8,000 4~6 11.35 D31 Detailed introduction
7025ES Light Yellow /Milky White Excellent reliability
Reworkable
Good adhesion to plastics (especially PA substrates  )
Designed for ultra-narrow edge bonding
5,000~8,000 4~6 11.35 D31 Detailed introduction
2065B Black Excellent reliability
Reworkable
Good adhesion to plastics
Designed for narrow edge bonding
5,500~8,500 4 9.87 D32 Detailed introduction
2065E Light Yellow /Milky White Excellent reliability
Reworkable 
Good adhesion to plastics
Designed for narrow edge bonding
5,500~8,500 4 9.87 D32 Detailed introduction
6025E Light Yellow/Milky White High reliability
Easy rework
Good adhesion to plastics
3,500~6,500 4 6.65 D31 Detailed introduction
6025B Black High reliability
Easy rework
Good adhesion to plastics
3,500~6,500 4 6.65 D31 Detailed introduction
5300 Light Yellow/Milky White High bonding strength
Excellent bonding strength
Good adhesion to a variety of substrates  
3,500~6,500 4 11.97 D28 Detailed introduction
7037BH Black Excellent  impact resistance
Soft adhesive film
Long open time    
7500~10500 6 7.37 A72 Detailed introduction
7035B Black Excellent reliability
Reworkable
Good adhesion to plastics
Designed for narrow edge bonding
5000~8000 4 11.43 D29 Detailed introduction
7035E Light Yellow/Milky White Excellent reliability
Reworkable
Good adhesion to plastics
Designed for narrow edge bonding
5000~8000 4 11.43 D29 Detailed introduction