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3M™ Plastic Bonding Adhesive
3M™ Plastic Bonding Adhesive
For reducing costs and streamlining assembly, 3M™ Plastic Bonding Adhesive 2665 is a product whose time has come. Based on hot-melt, moisture-curing adhesive technology, it delivers a long open time for easy assembly of parts requiring a thin bond line.
Features and benefits:
- High tack holds parts together for immediate handling and fast production
- 4-minute open time allows initial repositioning even with thin bond lines that would otherwise cure too quickly for assembly
- Low viscosity holds bead shape and size in small, defined areas
- One-component eliminates potential inconsistencies of metering and mixing
- 100% solids provides a low-VOC system with no drying equipment and attack on plastics
- Bonds and seals simultaneously
- High performance for a wide range of consumer electronics because:
- Tough flexible bond lines help improve fit, appearance, and reliability
- High strength bonds plastics and metals, dissimilar substrates, and even hard-to-bond plastics such as polycarbonate
- Improved appearance without the whitening from cyanoacrylate and cracking from ultrasonic welding
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3M™ Plastic Bonding Adhesive 2665 |
Ultrasonic Welding |
3M™ Cyanoacrylate Adhesive |
| Production Speed |
Fast with very high tack, yet long time for assembly. |
Very fast. |
Bonds on contact |
| Bond thin plastic joints |
Bond lines less than 1mm wide. |
Difficult. Potential vibration damage. |
May flow beyond bond area. |
| Bond dissimilar plastics/materials |
Yes. Even hard-to-bond plastics can be bonded after simply wiping off. |
Attach only similar materials. |
Yes. |
| Bond strength |
Very strong even in small areas. Flexible to withstand impact. |
Very strong. |
Very strong but brittle and can crack. |
| Appearance |
Virtually invisible. No blooming. |
Can scratch and crack plastics. |
Causes Blooming. |
| Complete seal |
Complete. |
Incomplete. |
Complete. |
- Lens, case and housing assembly in cell phones and notebooks, MP3 players, portable batteries, and other consumer electronics
- Bond plastics and metals, dissimilar substrates, and even hard-to-bond plastics such as polycarbonate
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