This aerospace sealant consists of a black liquid catalyst and an off-white thixotropic paste, designed to prevent corrosion. Supplied in a 2-ounce container, it mixes in a 100:10 ratio by weight, requires 2 hours for application, and cures in 24 hours, withstanding temperatures from -65 to 250 degrees F.This aerospace sealant consists of a black liquid catalyst and an off-whit
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WARNING: This product can expose you to chemicals including LEAD and SILICA, CRYSTALLINE (AIRBORNE 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™ AC-730B2 class B non-sag aerospace sealant is ideal for offering effective barrier against the common causes of corrosion. This product comes in two parts which includes part-A catalyst and part-B base. The liquid part-A catalyst of sealant is black in color, while the thixotropic paste part-B base is off-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 1.5 and VOC contents of 3.8 grams per liter. The sealant is supplied in a 2-ounce container and can be mixed in a 100 base/10 catalyst ratio by weight to form a mixed compound. It requires 2 hours for application and will be sufficiently cured after 24 hours. The product withstands a temperature range of -65 to 250 degrees F.
Features & Benefits
Efficiently maintains flexibility and bond strength on various metals
Easy to apply using spatula, extrusion gun or injection dispenser
Provides low shrinkage results in less rework
Density of 1.58 grams per liter for part-A catalyst and 1.5 grams per liter for part-B base
Viscosity of 9500 to 16,000 poise at 77 degrees F for part-B base
Withstands a tensile strength of 200 psi
Flash point greater than or equal to 200 degrees F
Employs non-chromate corrosion inhibitive formula, thereby helping to comply with chromate reduction initiatives
Suitable for use on most metal substrates including aluminum and between other dissimilar metals
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