3M Scotch-Weld 270 Black Epoxy in Gallon Kit

3M Scotch-Weld 270 Black Epoxy in Gallon Kit Overview

3M 270 Black Potting Epoxy Adhesive in a gallon kit is a low-viscosity, two-part epoxy designed for potting, sealing, and encapsulating sensitive electronic components. With a 1:1 mix ratio and a 70-minute work life, it provides precise, controlled application, ideal for projects requiring extended adjustment time. The adhesive offers strong thermal shock resistance, minimal shrinkage, and excellent electrical insulation, making it perfect for demanding electronic applications like potting transformers, relays, and sensors.

3M 270 Features and Benefits

• Gallon Kit Containers: Compact size for mid-scale applications, includes both Part A and Part B.
• 70-Minute Work Life: Allows ample time for positioning and adjustments before curing.
• Minimal Exotherm: Protects temperature-sensitive components during potting.
• Non-Corrosive to Copper: Safe for electronic applications, ensuring component integrity.
• Thermal Shock Resistant: Maintains performance under extreme temperature changes.
• Certified Flame Resistance: Meets UL 94 HB standards for safe potting and encapsulation.

Specifications

• Series: 3M Scotch-Weld 270 Black
• Type: Epoxy Adhesive
• Application: Structural Bonding, Encapsulating, Potting, Sealing
• Substrates: Electronic and Electrical Components
• Color: Black
• Package Size: Gallon Kit (Includes Part A and Part B)
• Mix Ratio by Volume (B:A): 1:1
• Shore D Hardness: 83
• Open Time: 60 Minutes
• Work Life: 70 Minutes
• Tack Free Time: 3 Hours
• Time to Handling Strength: 3 Hours
• Time to Full Cure: 48 Hours
• Shear Strength: 2,500 psi
• Storage Temperature: 60°F to 80°F (16°C to 27°C)

Note: All results are based on testing at 72°F (22°C), unless stated otherwise.