Just a point of interest.. SkinnyD and myself were talking and he said there was some guys using ceiling tile for wad material
DO NOT DO THIS!! A list of their ingredients as per USG tile
Perlite CAS93763-70-3 (silicate)
Cellulose fibre CAS 9004-34-6 (wood fibre)
Slag wool fibre CAS N/A
Kaolin CAS 1332-58-7 (porcelain clay) Made from Kaolinite mineral Al2Si2O4
Starch CAS 9005-25-8
Limestone CAS 1317-65-3 (rock)
Calcined kaolin CAS 92704-41-1
Calcium carbonate CAS 471-34-1
I've installed 2 1/2 million feet of this stuff over the last 30 years.. It grinds down your knife blades.. No way would I recommend anyone dumping this crap down your barrel on a regular basis..
Thanks Leroy