Blastcraft is a mod by cammygames that is included in the Universal Electricity Pack. It adds a few blast-proof blocks to help fortify your house, as well as Barbed Wire which is not blast-proof but does damage to any mob or player that touches it.
The items in this mod are:
The items marked with stars are mentioned by the author and in some mod spotlight videos, but I do not see their recipes in the actual mod pack, which contains Blastcraft v03. I tested the recipes shown by the author and posted on imgur, but they do not work in this version.
The mod's home page is here.