3M resin technology – reliable jointing

3M resin technology – reliable jointing

3M™ Scotchcast™ Resin Joints and Resins

Clean and safe electrical installation.

High mechanical stress, changing temperatures, application underwater and underground: jointing kits must resist the highest levels of stress. When it comes to cable jointing you expect maximum reliability, durability and low maintenance. 3M has developed electrical resins and resin kit portfolio for all types of electrical installer needs.

Easy mixing and clean application

The perfect joint in four steps:

Prevent resin spillage or faulty connections using 3M resin joints. The easy to use CMP (closed mixing and pouring) system enables jointing in only four easy steps; low risk of skin-to-resin contact, no need to cut the mould body to fit to the cable and no need to tape the mould body ends for sealing.

  • 1. Connect the cables
    1. Connect the cables
  • Close the mould body
    2. Close the mould body
  • 3. Mix the resin
    3. Mix the resin
  • 4. Pour the resin
    4. Pour the resin

3M™ Scotchcast™ Resin Kits

Protecting your cable connection

When cable jointing is necessary during installation, resin kits are the solution of choice. They provide mechanical protection and electrical insulation when used in outdoor and indoor applications. Resin mixing and pouring is critical and this must be simple, fast and clean.

*Gel time at 23°C for 92-NBA 3 GS

  • New 3M™ Scotchcast™ Resin 4 GS with Colour Indicator

    Introducing the new 3M™ Scotchcast™ Resin 4 GS.

    This CMR free electrical jointing resin has a unique colour mixing indicator. This indicator makes it possible for installers to know when the resin is correctly mixed. Scotchcast™ Resin 4 GS comes in a 2-part transparent bag with integrated pouring spout, ensuring mess-free effortless application. The high-performing formulation means the resin cures even in the presence of water. Rapid installation, immediate re-energisation and ease of use it makes this the first choice in electrical cable jointing.

3M™ Scotchcast™ Resins

It is the quality of 3M Scotchcast resins that provide a professional installation and ensure we are the first choice when it comes to choosing resins.

We have a wide range of polyurethane resins designed for mechanical protection and electrical installation of low voltage cable joints in a variety of standard and challenging environmental applications.

Easy to use 3M Resin

Optimised CMP (closed mixing and pouring) system

Our CMP (closed mixing and pouring) system is a clean, user-friendly solution for mixing and pouring resin. 3M Scotchcast™ resins comes in transparent two-chamber bags. One chamber contains the resin, the other the curing agent. By opening the seam between the chambers, the two components can be mixed manually to form the resin, ready to pour into the mould body of the cable joint.

  • 1. Open outer packaging
    1. Open outer packaging


  • 2. Open seam
    2. Open seam


  • 3. Mix resin and curing agent
    3. Mix resin and curing agent


  • 4. Squeeze the edges clean
    4. Squeeze the edges clean
  • 5. Mix resin and curing agent
    5. Mix resin and curing agent
  • Press out the resin
    6. Press out the resin

  • Introducing the 3M™ Scotchcast™ Easy Dispenser Resin 250

    Introducing the 3M™ Scotchcast™ Easy Dispenser Resin 250

    Reliable and easy to use re-enterable electrical insulation solution. Suitable for outdoor low voltage cable installations such as swimming pools and lighting. The dispenser provides easy to apply, Scotchcast™ Re-enterable Resin 2123 to electrical connections. Quick accessibility for testing in areas requiring high humidity performance

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