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3M™ Scotchcast™ 40 Premium Resin

3M™ Scotchcast™ 40 Premium Resin

3M™ Scotchcast™ 40 Premium Resin is a premium 2 part polyurethane designed for electrical insulation and mechanical protection of low voltage electrical cable joints. The resin once hardened provides impact resistance and durability against moisture and atmospheric corrosion. Easy to install as part of 3M Cable Joints with a closed mix and pour system for added safety. Particularly recommended for use in wet or high humidity areas.

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  • Good adhesion on metals and different plastics.
  • Excellent hydrolytic stability
  • Available with Closed Mix and Pour Delivery System
  • Low exothermic reaction temperature.


  • Suitable for mechanical protection and electrical insulation of low voltage electrical joints installed for indoor and outdoor, underground and submerged applications


  • TypePolyetherurethane
  • Form2 Part
  • Density (g/cm3)1.07
  • Viscosity at 23°C (Pas)0.9
  • Hardness (Shore D)57
  • Elongation at break (%)50
  • Pot life at 23°C (min)20
  • Dielectric strength (kV/mm)24
  • Exotherme Reaction (°C) - Temp 40°C95

Product Videos

  • What Have 3M Done To Minimise Cable Jointing Health & Safety Concerns?
  • In What Situations Would I Require A Hazardous Area Joint?
  • How Can Our Network Of Distribution Partners Help You?
  • Where Can I Receive Product Installation Training For 3M Cable Accessories?
  • What Approvals Do 3M Joints & Terminations Have?

Technical Datasheets

  • 3M™ Scotchcast™ 40 Premium Resin Datasheet


  • 3M™ Scotchcast™ LV Jointing Brochure
  • 3M™ Scotchcast™ Understanding Resins Guide
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