Details

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Details

Highlights

• Two-component polyurethane (urethane) structural adhesive for multi-material bonding
• Non-sag formulation allows controlled application on vertical and overhead surfaces
• Approximately 60-minute work life allows time for alignment, repositioning, and assembly adjustments
• Designed for bonding dissimilar substrates including composites and metals
• Good adhesion to SMC, FRP, plastics, ceramics, wood, rubber, and metal surfaces
• Provides durable, flexible bond performance suitable for vibration and movement
• Brown color allows easy visual identification during application and curing
• Room temperature curing system for convenient industrial use
• Supplied in 48.5 mL Duo-Pak cartridge for precise dispensing and mixing control
• Suitable for automotive, transportation, marine, and industrial assembly applications

Description

The 3M™ Scotch-Weld™ Urethane Adhesive DP640 (7100148761) is a two-component, non-sag polyurethane adhesive designed for bonding a wide range of dissimilar materials. With a 60-minute work life, it provides sufficient time for positioning and adjustment during assembly, making it suitable for panel bonding and complex fabrication tasks. It bonds effectively to composites, SMC, FRP, plastics, ceramics, wood, rubber, and metals, delivering durable and flexible performance under dynamic conditions. The room-temperature curing system simplifies processing, making it widely used in automotive, marine, and industrial manufacturing environments.

Typical Properties