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

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

3M 270 Clear Potting Epoxy Adhesive in a 5-gallon pail is a two-part, low-viscosity epoxy formulated for potting, sealing, and encapsulating sensitive electronic components. With a clear formulation and a 1:1 mix ratio, it offers excellent thermal shock resistance, electrical insulation, and minimal exotherm. This bulk format provides an efficient solution for industrial applications, ideal for potting transformers, diodes, sensors, and other delicate components in electronics, metalworking, and specialty vehicles.

3M 270 Features and Benefits

• 5-Gallon Pail Container: Ample adhesive supply for large-scale applications, providing efficiency and convenience.
• Thermal Shock Resistance: Safeguards components from rapid temperature changes, enhancing durability.
• Excellent Electrical Insulation: Performs reliably in high-humidity conditions, ideal for electronic applications.
• Non-Corrosive to Copper: Ensures safe encapsulation for copper components without risk of corrosion.
• Long Work Life: Offers a 60 to 70-minute open time for precise application and adjustments.
• Minimal Exotherm: Protects heat-sensitive components by reducing heat buildup during potting.

Specifications

• Series: 3M Scotch-Weld 270 Clear 
• Type: Epoxy Adhesive
• Application: Structural Bonding, Potting
• Color: Clear
• Package Size: 5 Gallon Pail
• Mix Ratio by Volume (B:A): 1:1
• Shore D Hardness (ASTM D2240): 83
• Open Time: 60 Minutes
• Tack Free Time: 3 Hours
• Work Life: 60 to 70 Minutes
• Shear Strength: 2,500 psi
• Full Cure Strength: Reaches Full Cure in 48 Hours
• Storage Temperature: 60°F to 80°F (16°C to 27°C)
• Certifications: UL 94 HB Certified

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