GuilhermeNoronha Posted May 12 Share Posted May 12 Hi everyone, i need some help to start making BBs. i have a plastic indutry in Brazil, and now we on a project to make Airsoft BBs, the last answer we don’t find yet is what kind of additive i have to use for make different weight bbs. Without any additive i reached on 0,11g , what can i use for make 0,20g or 0,25g?? Apreciate your time for reading my doubt Link to comment Share on other sites More sharing options...
Supporters Rogerborg Posted May 12 Supporters Share Posted May 12 I don't know for sure, but I'd like to find out. I've noted before that 5.95mm of pure ABS would mass about 0.11g and PLA would be about 0.2g, so everything above that needs adulterated with some sort of mineral, whether that's metal or ceramic. I've seen barium phosphate suggested, or compressed talc. Some BBs contain magnetic metal, presumably iron. Link to comment Share on other sites More sharing options...
Supporters Adolf Hamster Posted May 13 Supporters Share Posted May 13 As above, the density means they have to be mixed with something. Iron dust would make sense being relatively dense, safe and cheap Rogerborg and Tactical Pith Helmet 2 Link to comment Share on other sites More sharing options...
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