3M Scotch-Weld 5520 Plus Black One-Part Epoxy Adhesive Low Temperature Fast Cure Glue for Semiconductor Electronics LED Lens 55ml

3M Scotch-Weld 5520 Plus Black One-Part Epoxy Adhesive

Engineered for precision electronics assembly, the 3M Scotch-Weld 5520 Plus is a one-part, heat-cure epoxy adhesive formulated to deliver fast, reliable bonding at low cure temperatures. Its black color and controlled flow make it ideal for optical and electronic applications where aesthetics and accuracy matter — from LED lens bonding to semiconductor packaging.

Key Features

• One-Part Formula: No mixing required — ready to use straight from the cartridge for consistent, repeatable results
• Low Temperature Fast Cure: Cures efficiently at lower temperatures, reducing thermal stress on sensitive electronic components
• Black Color: Provides light-blocking properties ideal for optical assemblies and LED lens bonding
• High Bond Strength: Excellent adhesion to metals, ceramics, glass, and many plastics common in electronics manufacturing
• Controlled Rheology: Thixotropic paste that stays in place during application — no sagging or slumping
• 55ml Cartridge: Convenient packaging for precision dispensing in production environments

Typical Applications

• Semiconductor packaging and die attach
• LED lens bonding and optical assembly
• PCB component bonding and potting
• Electronics enclosure sealing
• Sensor and transducer assembly