3M AC-350 Class B-1/2 Aerospace Sealant

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3M AC-350 Class B-1/2 Aerospace Sealant
Categories:	Polymer; Thermoset; Polysulfide Sealant/Adhesive
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 outstanding 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
Vendors:

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
Shelf Life

Property Data

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Manufacturer Notes:
none

Category Notes
Plastic

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