3M Scotch-Weld 270 Black Epoxy in 5 Gallon Pails - Part A & B

3M Scotch-Weld 270 Black Epoxy in 5 Gallon Pail Overview

3M 270 Black Potting Epoxy Adhesive in a 5-gallon pail is a low-viscosity, two-part epoxy designed for industrial potting, sealing, and encapsulating of sensitive electronic components. With a 1:1 mix ratio and a 70-minute work life, it provides precise control for applications that require extended adjustment time. This adhesive offers excellent thermal shock resistance, minimal shrinkage, and superior electrical insulation properties, making it ideal for demanding electronic applications such as potting transformers, relays, and sensors.

3M 270 Features and Benefits

• 5-Gallon Pail Container: Provides ample adhesive supply for efficient use in large-scale industrial applications.
  
• 70-Minute Work Life: Allows for extended adjustment and precise application, ideal for potting electronic components.
  
• Minimal Exotherm: Safeguards temperature-sensitive materials during the potting process.
  
• Non-Corrosive to Copper: Safe for use with electronic components, protecting component integrity.
  
• Thermal Shock Resistant: Maintains durability under extreme temperature fluctuations.
  
• UL 94 HB Certified: Flame-resistant for added safety in encapsulation applications.

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: 5 Gallon Pail
  
• 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.