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Goodfellow - Materials for Research and Industry - Small Quantities FAST
3M AC-215 Class B-2 Aerospace Sealant
Categories: Polymer; Thermoset

Material Notes: 3M Aerospace Sealant AC-215 Class B are two-part, polysulfide access door sealants for faying surfaces where easy separation of jointed surfaces is required. They are a highly thixotropic reddish past which can easily be applied with a spatula, putty knife or caulking gun. The cured 3M AC-215 Class B Sealants have low adhesion and form a tough, “rubbery” gasket that molds well to surface irregularities.

Information provided by 3M

Available Properties
  • Density, MIL-S-8784
  • Volatiles
  • Brookfield Viscosity, Base, RVF #7 sp @ 2 rpm
  • Hardness, Shore A, MIL-S-8784
  • Peel Strength, Adhesion to Aluminum, steel, stainless steel, titanium, zinc, cadmium, chromium, magnesium, glass, enamel, Epoxy MIL-P-23377 and Urethane MIL-C-27725
  • Maximum Service Temperature, Air, MIL-S-8784
  • Minimum Service Temperature, Air, MIL-S-8784
  • Cure Time, Tack-Free Time
  • Cure Time
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