3M 2131B 7.5 oz Flame Retardant Compound
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Manufacturer 3M
Mfg Catalog # 2131B
North Coast Part # 1165021


  • Typical hardness (ASTM D2240) - 82 Shore A
  • Has 17-minute gel time at 73 °F (23 °C)
  • Useful for replacing or repairing the jacket on both single- and multi-core power cables
  • Withstands a temperature range of 32 to 194 °F (0 to 90 °C)
  • Elongates 339% longer than its original size for easy insulation or wrapping
  • Flame-retardant
  • Rated up to 1 kV
  • RoHS 2011/65/EU Compliant


  • Application: Sealing, electrical insulation and mechanical protection
  • Cable Accessory Products: Electrical Resins
  • Color Family: Black
  • Container Size (Imperial): 7.5 oz
  • Cure Method: Room
  • Dielectric Strength (V/mil): 343 V/mil
  • Elongation: 3.39 %
  • Flexibility: Flexible
  • Form: Liquid
  • Gel Time: 17 minutes at 73(deg)F (23(deg)C)
  • Hardness: 82 Shore A
  • Material: Polyurethane
  • Maximum Operating Temperature: 90ºC (194ºF) continuous; overload rating 130ºC (266ºF)
  • Net Weight (Imperial): 7.51 oz
  • Net Weight (Metric): 213 g
  • Product Color: Black
  • Product Type: Resin
  • Resin Matrix: Filled
  • RoHS EU Comments: RoHS 2011/65/EU compliant without exemption
  • Storage Time in Months: 36
  • Tensile Strength (Imperial): 1038 Pound-Force Per Square Inch
  • Voltage: 1 kV
  • Voltage Application: Low Voltage
  • Weight (Imperial): 7.5 ounce


UPC 05112859166
Item Long Description 3M Scotchcast Electrical Resin 2131 is a 2 part, flame retardant compound, useful for coating cable jackets when splicing or repairing mine and portable cables. This permanent, polyurethane, liquid type resin has a unique formulation used in rugged conditions. The high dielectric strength offers a very good electrical insulating property to the resin.
GTiN 00051128591666
Color Black
Type Reenterable Electrical Insulating Resin
Applications Sealing, Electrical Insulation And Mechanical Protection
Family Brand Name Scotchcast
Sub Brand Scotchcast
Weight 7.5 oz
Material Polyurethane

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