Darbond® PUR Adhesive
Consumer electronic products use more and more new materials and new structure designs, and the application requirements of electronic packaging materials in this field are also getting higher and higher, and traditional packaging materials can no longer meet the development needs of modern smart de vices. Darbond® new generation of PUR electronic packaging material has sweat resistance, drop resistance, and higher reliability, and has been recognized by many customers.
Darbond® PUR23（General purpose）
- Good comprehensive performance, suitable for bonding of various substrates
- Moderate repairable, drop resistant
- Mainly used in mobile phone, PAD, smart wear,laptop and other terminal products shell bonding
Darbond® PUR25（Quick fixing）
- Fast curing, high initial strength
- Good adhesion to plastic and metal substrates
- Mainly used in mobile phones, PADs, smart wearables, notebook computers and other terminals Product structure bonding
Darbond® PUR50N（Low odor）
- Low viscosity, good air tightness
- Low odor, hypoallergenic, drop resistant
- Mainly used for sealing and bonding of smart wearable terminals such as TWS headsets and glasses
Darbond® PUR70H（Air tightness）
- Low viscosity, strong initial tack
- Good air tightness and excellent acoustic performance
- Mainly used in TWS earphones, glasses and other smart wearable terminal speaker components sealing
Darbond® PUR73（Shock Resistant）
- Good adhesion to metals and plastics
- Drop resistance, impact resistance
- Mainly used for fixing and bonding of terminals such as vibration motors and game handles
Darbond® PUR89BL（High Strength）
- Fast curing, high strength
- Well formed, anti-drop
- Mainly used in the bonding of terminal shells such as laptop and PAD
Darbond® PUR41BL（Drop resistant）
- Moderately repairable
- Good shape, drop resistance, reliability
- Mainly used in mobile phone, PAD and other terminal screen bonding
Darbond® PUR87BL（High Strength）
- Fast curing, high strength
- Well formed, anti-drop
- Mainly used in the bonding of terminal screen frames such as TVs and high-end monitors
Darbond® PUR10R（Shading）
- Good shading effect, can be repaired
- Excellent reliability
- Mainly used in mobile phone, Pad, smart wear, notebook computer and other terminal display module blind hole sealing and shading
Darbond® PUR30（Shading）
- Repairable
- Mainly used in display module side sealing and shading
Darbond® PUR77BL（UV+Moisture Curing）
- UV moisture curing, high initial strength
- Well formed, low hardness
- It is suitable for structural bonding requirements with high initial strength, good forming and controllable operation time.
Technical Information
| Product | Color | Viscosity (mPa·s) | Shelf life |
| PUR10R | Black | 4500 | 6mths@Room temperature |
| PUR23 | Amber | 4500 | 6mths@Room temperature |
| PUR25 | Amber | 5300 | 6mths@Room temperature |
| PUR30 | Black | 900 | 6mths@Room temperature |
| PUR41BL | Black | 5200 | 6mths@Room temperature |
| PUR50N | Amber | 2000 | 6mths@Room temperature |
| PUR70H | Light Yellow | 1500 | 6mths@Room temperature |
| PUR73 | Yellow | 3200 | 6mths@Room temperature |
| PUR77BL | Black | 23000 | 6mths@Room temperature |
| PUR87BL | Black | 3500 | 6mths@Room temperature |
| PUR89BL | Black | 6200 | 6mths@Room temperature |