3M™ Aerospace Sealant 051141-58056 Dark Gray, 3.5 oz

3M™ AC350B12 Series class B non-sag aerospace sealant is ideal for use in fuel tank and fuselage applications. This intermediate density polysulfide sealant comes in two parts A and B. The part-A catalyst is brown in color while the part-B base is off-white in color. This solvent-free manganese dioxide cured 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 thixotropic paste. It requires 12 hours for application and will be sufficiently cured after 96 hours. This sealant withstands temperature range of -65 to 250 degrees F.

Features:

• Sealant offers excellent resistance to aviation gasoline/jet fuel and chemical products commonly used in the aircraft industry
• Fast cure rate helps to meet various process demands
• Efficiently maintains flexibility and bond strength on various metal, composite and coated substrates
• Provides low shrinkage results in less rework
• Specific gravity of 1.4
• Viscosity of 9000 to 12000 poise at 77 degrees F for part-B base
• Tensile strength of 250 psi

Benefits:

• Suitable for use on most metal substrates including aluminum, titanium, steel, stainless steel and glass
• Application of sealant is easy using extrusion, injection gun and spatula

Applications:

• Sealing integral fuel tanks and fuselages
• Repairing integral fuel tanks

Specifications:

• AMS-S-8802 Type II and AMS3276
• CMNP093 Type XIV or MMS332 Grade 2