Epoxy will not wet out mat properly and more likely not at all. Mat has a binder in it to hold the strands together while its in its raw state.
The polyester and vinylester resins work good with mat, as the styrene in them dissolves the binder.Epoxy will not wet out the mat because it can, t dissolve the binder.
It will however work with a stitch mat like 1708 as there is no binder in it as the mat is held to the fabric with a thread.
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All this,just for a boat ride
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