This standard specifies how to determine the bulk density of carbon black, one of the characteristics of granulated particles of carbon black for rubber (hereinafter referred to as carbon black), which is used as a compounding agent for raw materials in the rubber industry.
JIS K 6219-2:2006 history
2006JIS K 6219-1:2006 Carbon black for rubber industry -- Characteristics of pelletized carbon black -- Part 1: Determination of fines content
1997JIS K 6219:1997 Testing methods of properties of pellets of carbon black for rubber industry