3M 7000121350 Hot Melt Adhesive Electrical Potting

Product Description

The 3M 7000121350 is a Scotch-Weld Hot Melt Adhesive formulated as a 100% solids thermoplastic compound designed for electrical potting applications. It delivers low viscosity flow for consistent fill and penetration into cavities, combined with high-temperature resistance that keeps bonds stable under sustained heat loads. The off-white adhesive comes in a 1 inch x 3 inch stick form and is packaged in a 22-pound quantity, making it suited for production-level dispensing. Good electrical properties make it a reliable choice where insulation integrity and thermal stability are both required.

This adhesive is primarily used in electrical potting and encapsulation work across industrial and commercial settings. Electricians and assembly technicians apply it where components must be sealed, insulated, or mechanically stabilized within a housing or enclosure. Its low viscosity allows it to flow into tight spaces before setting, which is useful in automated or manual hot-melt dispensing setups. Applications include coil potting, connector sealing, and electrical component encapsulation in both OEM manufacturing and field repair contexts.

Key Features

• 100% solids thermoplastic formula with no solvents or carriers
• Low viscosity for thorough fill of voids and cavities during potting
• High-temperature resistance maintains bond integrity under heat exposure
• Good electrical properties support use in insulation and encapsulation applications
• Off-white color for easy visual inspection of coverage
• Stick form at 1 inch x 3 inch dimensions suits standard hot-melt dispensing equipment

Compatibility

Designed for use with hot-melt dispensing equipment compatible with 1 inch x 3 inch adhesive sticks. Consult the 3M applicator guide for approved dispensing system options specific to this adhesive.

Installation Notes

This product is applied by trained electricians or assembly technicians using compatible hot-melt dispensing equipment. Power down and de-energize all electrical components before potting or encapsulating. Allow the adhesive to fully cure and cool before restoring power to any assembly. Follow applicable NEC guidelines and the manufacturer applicator guide for safe handling of hot-melt materials at elevated temperatures.

Technical Specifications

• Form Factor: Stick
• Dimensions: 1 inch x 3 inch
• Package Weight: 22 pounds
• Unit Weight: 1.06 pounds
• Color: Off-white
• Adhesive Type: Hot melt thermoplastic
• Solids Content: 100%
• Primary Application: Electrical potting
• UPC: 00021200825927

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000121350