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⚡ Power your splices with 3M’s self-heating, high-voltage insulating resin—because downtime is not an option.
3M Scotchcast Electrical Insulating Resin 4N-B is a two-part epoxy resin designed for industrial cable splicing and insulation up to 8 kV. Featuring a rapid 16-minute gel time at room temperature, it self-generates heat to cure without external tools. With an 80 Shore D hardness and 4% elongation, it provides durable, flexible protection across a wide temperature range (32 to 266 °F). Ideal for solid dielectric and oil-filled cables, this resin ensures reliable, long-lasting electrical insulation and sealing in demanding environments.









| ASIN | B0112JT3ZK |
| Best Sellers Rank | #139,354 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #431 in Electrical Tape #30,482 in Electrical Equipment |
| Brand Name | 3M |
| Customer Reviews | 4.9 4.9 out of 5 stars (10) |
| Global Trade Identification Number | 00051128613481 |
| Included Components | Scotchcast Electrical Insulating Resin |
| Item Thickness | N/A inches |
| Manufacturer | 3M |
| Manufacturer Part Number | 4B |
| Material Type | Epoxy |
| Model Number | 4B |
| Number of Items | 1 |
| Number of Packs | 1 |
| Recommended Uses For Product | Fleet and plant maintenance. |
| UPC | 051128613481 |
| Unit Count | 1 Count |
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