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Goodfellow - Materials for Research and Industry - Small Quantities FAST
3M AC-350 Class B-6 Aerospace Sealant
Categories: Polymer; Thermoset

Material Notes: 3M Aerospace Sealant AC-350 Class B are fast-cure, intermediate density polysulfide sealant suitable fro fuel tank and fuselage applications. These two-component, manganese dioxide cured sealant are solvent free and have resistance to aviation gasoline and jet fuel, as well as resistance to chemicals and petroleum products common to the aircraft industry. 3M AC-350 Class B Sealants maintain flexibility and bond strength on most metal substrates such as aluminum, titanium, steel, stainless steel, glass, and many coatings under extremes of temperature, weathering and stress. The mixed compound is a thixotropic paste easily applied by extrusion, injection gun or spatula, and exhibits good tooling properties.

Information provided by 3M

Available Properties
  • Density, cured 14 days @ 50% RH
  • Volatiles
  • Brookfield Viscosity, Base, RVF #7 sp @ 2 rpm
  • Hardness, Shore A, cured 14 days @ 50% RH
  • Tensile Strength at Break, Standard Heat cycle + JRF-12 days @ 60°C, 60 hrs @ 71°C, 6 hrs @ 82°C + 24 hrs at 49°C
  • Tensile Strength at Break, 24 hrs @ 121°C, and JRF-7 days @ 60°C
  • Tensile Strength at Break, Standard Cure-14 days
  • Tensile Strength at Break, JRF-14 days
  • Tensile Strength at Break
  • Tensile Strength at Break
  • Elongation at Break, Standard Heat cycle + JRF-12 days @ 60°C, 60 hrs @ 71°C, 6 hrs @ 82°C + 24 hrs at 49°C
  • Elongation at Break, 24 hrs @ 121°C, and JRF-7 days @ 60°C
  • Elongation at Break, Standard Cure-14 days
  • Elongation at Break, JRF-14 days
  • Elongation at Break
  • Elongation at Break
  • Maximum Service Temperature, Air, cured 14 days @ 50% RH
  • Maximum Service Temperature, Air, Short term, cured 14 days @ 50% RH
  • Minimum Service Temperature, Air, cured 14 days @ 50% RH
  • Cure Time, Tack-Free Time
  • Cure Time
  • Shelf Life
Property Data

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