
3M
3M SCOTCH WELD 3439HT FST - Void Filling Compound
3M SCOTCH WELD 3439HT FST
Adhesives
Details & Compliance
FALSE
lead time
Lead Time: 2-4 Weeks
Description
3M Scotch-Weld 3439HT FST is a two-component void filling compound designed for filling gaps, cavities, and irregular spaces in demanding aerospace applications. It provides a durable, stable fill after curing and is formulated for applications where fire, smoke, and toxicity (FST) performance is important. The compound helps create a more uniform surface and supports structural or assembly requirements where controlled void filling is needed.