


⚡ Power your projects with 3M’s next-level insulating resin — because your cables deserve the best!
3M Scotchcast Electrical Insulating Resin 4N-B is a two-part, epoxy-based resin designed for industrial cable splicing and insulation up to 8 kV. Featuring a rapid 16-minute gel time and self-heating cure, it offers robust 80 Shore D hardness and thermal stability from 0 to 130°C. Ideal for solid dielectric and oil-filled cables, this ASTM-approved, RoHS-compliant resin ensures durable, professional-grade electrical insulation and sealing.









| ASIN | B0112JT3ZK |
| Best Sellers Rank | #259,653 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #610 in Electrical Tape #55,217 in Electrical Equipment |
| Date First Available | July 6, 2015 |
| Item Weight | 8 ounces |
| Item model number | 4B |
| Manufacturer | 3M |
| Product Dimensions | 10 x 11 x 2 inches |
R**N
Great product for insulating/waterproofing splices!
Great product for insulating/waterproofing splices!
Trustpilot
2 weeks ago
3 weeks ago