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Ensinger PEI
3M AC-236 Class B-2 Aerospace Sealant
Categories: Polymer; Thermoset

Material Notes: 3M Aerospace Sealant AC-236 Class B are two-component, manganese dioxide cured, liquid polysulfide polymer system providing excellent fuel tank and fuselage seals. They have outstanding resistance to aviation gasoline and jet fuel, as well as resistance to chemicals and petroleum products common to the aircraft industry. 3M AC-236 Class B Sealants maintain flexibility and bond strength on most metal substrates like aluminum, stainless steel, steel, 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. They have excellent tooling properties.

Information provided by 3M

Vendors:
Available Properties
  • Density, cured 14 days @ 50% RH
  • Volatiles
  • Brookfield Viscosity, Accelerator, RVF #10 sp @ 2 rpm
  • Brookfield Viscosity, Base, RVF #7 sp @ 2 rpm
  • Hardness, Shore A, cured 14 days @ 50% RH
  • 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- 72 hrs @ 60°C, and Air Drying - 72 hrs @ 49°C, and 7 days @ 121°C
  • Tensile Strength at Break, JRF-14 days
  • Tensile Strength at Break, JRF-7 days
  • Elongation at Break, 24 hrs @ 121°C, and JRF-7 days @ 60°C
  • Elongation at Break, JRF- 72 hrs @ 60°C, and Air Drying - 72 hrs @ 49°C, and 7 days @ 121°C
  • Elongation at Break, Standard Cure - 14 days
  • Elongation at Break, JRF-14 days
  • Elongation at Break, JRF-7 days
  • Maximum Service Temperature, Air, cured 14 days @ 50% RH
  • Minimum Service Temperature, Air, cured 14 days @ 50% RH
  • Cure Time, Tack-Free Time
  • Cure Time
  • Shelf Life
  
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Manufacturer Notes:
none

Category Notes
Plastic

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