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Epoxy Filler Structural

2K views 16 replies 7 participants last post by  minuteman62-64 
Read the info on the different types of fillers sold by West System. Different fillers are used for different purposes. Sawdust substantially weakens the epoxy mix and is used mainly as a fairing compound by those that don't want to spend the money on a fairing compound. If it's strength that you want, buy the proper filler. These fillers should more properly be referred to as 'thickeners'.
Using the proper thickeners would be more akin to adding aggregate to cement to make concrete. It's not just a filler, it's a strengthener.
 
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