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3M Scotchcast Electrical Resin 235

  • 3M™ Scotchcast™ Electrical Resin 235 system has permanent semiflexibility, thermal shock and impact resistance, good electricals and adhesion properties.
  • Very low viscosity and good wetting ability allow for complete impregnation of small voids.
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3M Scotchcast Electrical Resin 241

  • This filled version of 3M™ Scotchcast™ Electrical Resin 235 offers many of the key features of 235 plus lower shrinkage,
  • improved thermal and mechanical shock resistance, and increased thermal conductivity.
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3M Scotchcast Electrical Resin 253

This product offers many of the advantages of 3M™ Scotchcast™ Electrical Resin 241. Its thixotropic nature renders it useful in dipping, brushing or troweling applications where resistance to running or sagging is a requirement.

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3M Scotchcast Electrical Resin 255


  • 3M Scotchcast Electrical Resin 255 (18 lb)
  • This is a two-part, oven-curing, semi-flexible, filled, flame retardant, epoxy liquid resin.
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3M Scotchcast Electrical Resin 280

  • 3M™ Scotchcast™ Electrical Resin 280 is characterized by its high-temperature stability,
  • superior electrical properties and thermal shock resistance.
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3M Scotchcast Electrical Resin 281

  • These filled versions of 3M™ Scotchcast™ Electrical Resin 280 offer many of the key features of 280 plus lower shrinkage,
  • improved thermal and mechanical shock resistance, and high thermal conductivity.
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3M Scotchcast Electrical Resin 282

3M™ Scotchcast™ Electrical Resin 282 is a thixotropic version of 281 offering many of the same advantages. It is also used in dipping, brushing or troweling applications where resistance to running or sagging is a requirement.

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3M Scotchcast Electrical Resin MR283

  • Not for specifications. Values are typical, not to be considered minimum or maximum.
  • Properties measured at room temperature 73°F (23°C) unless otherwise stated.
  • Physical Properties * Typical Value US units (metric) Hardness (Shore D
  • ) 80 Specific Gravity (cured)3 1.55
  • Compressive Strength6 10%
  • Compression 5500 psi @ 10% (38.,7 kg/cm2 )
  • Tensile Strength2 Ultimate 3700 psi (260,1 kg/cm2 )
  • Elongation (% at break)5 12
  • Flexural Strength7 3500 psi @ 5% (246.1 kg/cm2 )
  • Thermal Conductivity4 Cal • cm/cm2 • sec • °C Watt/m • k @ 29 °C 11.1 x 10-4 0.463
  • Glass Transition Temp (Tg) 22ºC
  • Linear Thermal Expansion (LTE)9 (length/unit length/°C) Tg .57 x 10-4 1.65 x 10-4
  • Thermal Shock1 10 cycles -65 to 155ºC 1/8” (3,165 mm)
  • Olyphant Insert Pass Thermal Shock 1 10 cycles – 55 to 130°C ¼” (6,35 mm)
  • Olyphant Insert Fail Flame Retrdancy2 Self-Extinguishing Fungus Resistance10 Fungus Resistant Rating: 2
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3M Scotchcast Electrical Resin MR283F075

• Thermal shock resistant
• Hydrolytically stable
• Temperature rating – Class B or F