051141-57940 3M™ AC-240 B1/2 Aerospace Sealant Gray 25 g

3M™ AC240B1/2 class B non-sag aerospace sealant comes in two parts which includes part-A catalyst and part-B base. The liquid part-A catalyst is dark brown in color, while the paste part-B base is white in color. This slight odored part-A catalyst has a specific gravity greater than or equal to 1.58 and VOC contents of 0.9 grams per liter. This sulfurous odored part-B base has a specific gravity of 1.61 and VOC contents of 2 grams per liter. The polysulfide-based sealant is supplied in a 25-gram container and can be mixed in a 100 base/10 catalyst ratio by volume or weight to form a gray color mixture. It requires 1/2 hour for application and will be sufficiently cured after 4 hours. This product withstands a temperature range of -65 to 250 degrees F.

Features:

• Efficiently maintains flexibility and bond strength on various metal and coated substrates
• Easy to apply using spatula or extrusion gun
• Density of 1.58 grams per milliliter for part-A catalyst and 1.61 grams per milliliter for part-B base
• Viscosity of 9000 to 14,000 poise
• Withstands a tensile strength of 200 psi
• Flash point greater than or equal to 200 degrees F

Benefits:

• Sealant offers an excellent resistance to aviation gasoline/jet fuel and chemical/petroleum products commonly used in aircraft industry
• Suitable for use on aluminum, titanium, steel, stainless steel and glass

Applications:

• Long application life, quick cure integral fuel tank and fuselage sealant

Specifications:

AMS-S-8802