Make sure the powder coat you’re using does not contain Teflon. Here is the Wikipedia info on it. http://en.wikipedia.org/wiki/Teflon-coated_bullet Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene that has numerous applications. The best known brand name of PTFE-based formulas is Teflon by Chemours.[2] Chemours is a spin-off of DuPont Co.,[3] which discovered the compound in 1938.[2] PTFE is a fluorocarbon
BHN
powder coating cast bullets the easy way
http://youtu.be/0YwCDEkpjio For the most part as long as the driving bands are good. You are good to go. This is such a easy way to do it. Just swirl and bake. I don’t use the air-soft bb’s (Im lazy and dont want to pick them out) Just bake as per the instruction on the powder coating. The bhn of these came out at BHN of 22.8 I plan…
Drill Press Lead BHN Hardness Tester
Just using my Harbor Freight Drill Press and a 10 dollar bathroom scale. If you don’t have a drill press you could use a big “C” clamp as well. To get the Brinell Hardness Number of a lead ingot. Full disclosure : You should really use a ball at the end of the drill bit or at least round it off. I just did not have a trash but to…