3M™ AC-350B4 Aerospace Sealant 70005202737 Dark Gray, 4.5 oz
3M Aerospace
Part # 051141-58078=CB
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Mfr Part # 70005202737
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UPC # 51141580784
This aerospace sealant consists of a two-part system, including a brown liquid catalyst and an off-white paste base, which combine to form a dark gray mixture. It has a temperature range of -65 to 250 degrees F, requires 4 hours for application, and cures in 32 to 36 hours.
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WARNING: This product can expose you to chemicals including LEAD and TITANIUM DIOXIDE (AIRBORNE, UNBOUND PARTICLES OF RESPIRABLE SIZE) which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Overview
3M™ AC350B4 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 brown in color, while the paste part-B base is off-white in color. With greater than or equal to 200 degrees F flash point, the 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. With greater than 230 degrees F flash point, the sulfurous odored part-B base has a specific gravity of 1.35 and VOC contents of 2.9 grams per liter. This sealant is supplied in a 4.5-ounce container and can be mixed in a 100 base/10 catalyst ratio by weight to form a dark gray color mixture. It requires 4 hours for application and will be sufficiently cured after 32 to 36 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 spatula, extrusion gun or injection dispenser
Provides low shrinkage results in less rework
Density of 1.58 grams per milliliter for part-A catalyst and 1.35 grams per milliliter for part-B base
Viscosity of 9000 to 12,000 poise at 77 degrees F for part-B base
Withstands a tensile strength of 250 psi
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, stainless steel and glass
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DISCLAIMER: Product information provided “as is.” Boeing may add, change, discontinue or remove this information at any time. Product photos may not be exact match to product delivered. Seeterms & conditions.
