3M Flexible Potting and Encapsulating Compound, 120g Package size, 57 Shore D Hardness - Resin bag Scotchcast 40 120 g

This flexible potting and encapsulating compound is a liquid polyurethane resin designed for electrical insulation and mechanical protection. The 3M Scotchcast 40 is a two-component system that cures at room temperature, making it suitable for a variety of applications where durability and moisture resistance are essential. This product is packaged in a 120g bag for ease of use in various electrical joint applications.

Features & Benefits

• Provides superior dielectric strength for reliable electrical insulation
• Excellent adhesion to metals and many plastics for versatile use
• Hydrophobic behaviour during curing enhances moisture resistance
• Low exothermic reaction temperature ensures safer handling
• Effective for both indoor and outdoor installations
• Impact resistance contributes to long-lasting protection

Applications

• Used for protecting low voltage electrical joints
• Ideal for underground and submerged
• Suitable for indoor installations where moisture is a concern
• Provides mechanical protection in challenging environments

How is the mixing process managed to ensure a proper application?

The resin is supplied in two-chamber plastic pouches, ensuring accurate mixing ratios for optimal performance in applications.

What is the temperature range for this resin during operation?

The operational temperature range is between -40°C and +110°C, making it suitable for various environmental conditions.

What are the key performance metrics after the curing process?

After curing, the resin exhibits a Shore D hardness of 57, enhancing its mechanical properties and ensuring durability under stress.

How does this product maintain its electrical properties over time?

Its volume resistivity remains significantly high under dry and wet ageing conditions, ensuring long-term reliability in electrical insulation.

What precautions should be taken during the handling of this resin?

It is advised to review the Material Safety Data Sheet (MSDS) for detailed information on safe handling, storage, and disposal to mitigate any health risks.

Units	Per unit
1 - 5	£18.72
6 - 11	£18.33
12 +	£17.59

Select all	Attribute	Value
	Brand	3M
	Trade Name	Scotchcast 40
	Hardness	57 Shore D
	Maximum Operating Temperature	+80°C
	Minimum Operating Temperature	+5°C
	Physical Form	Liquid
	Dielectric Strength	34 → 38kV/mm
	Viscosity Measurement	2500mPa/s
	Operating Temperature Range	5 → +80 °C

	Select all
	Brand 3M
	Trade Name Scotchcast 40
	Hardness 57 Shore D
	Maximum Operating Temperature +80°C
	Minimum Operating Temperature +5°C
	Physical Form Liquid
	Dielectric Strength 34 → 38kV/mm
	Viscosity Measurement 2500mPa/s
	Operating Temperature Range 5 → +80 °C

3M Resin bag Scotchcast 40 120 g Flexible Potting and Encapsulating Compound

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