This aerospace sealant consists of a two-part system, including a dark brown catalyst and an off-white base, which combine to form a dark gray mixture. Supplied in a 3.5-ounce container, it cures in 8 to 9 hours and operates effectively within a temperature range of -65 to 250 degrees F.
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Overview
3M™ AC350C2 class C fay surface aerospace sealant comes in two parts which includes part-A catalyst and part-B base. The part-A catalyst is dark brown in color, while the part-B base is off-white in color. The part-A catalyst and part-B base have a specific gravity of 1.4. This sealant is supplied in a 3.5-ounce container and can be mixed in a 100 base/10 catalyst ratio by weight to form a dark gray color mixture. It requires 2 hours for application and will be sufficiently cured after 8 to 9 hour. The product withstands a temperature range of -65 to 250 degrees F.
Features & Benefits
Fast cure rate helps to meet various process demands
Efficiently maintains flexibility and bond strength on various metal, composite and coated substrates
Easy to apply using brush, roller, spatula or extrusion gun
Provides low shrinkage results in less rework
Viscosity of 2000 to 3500 poise at 77 degrees F for part-B base
Withstands shear strength of 240 psi for graphite bismaleimide (BMI) composite IM7/5250-4 and 270 psi for AMS4911 titanium
Sealant offers an excellent resistance to aviation gasoline/jet fuel and chemical/petroleum products commonly used in aircraft industry
Suitable for use on most metal substrates including aluminum, titanium, steel and stainless steel
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