The document specifies the requirements and corresponding test methods for the types of carbon blacks, lamp black (type A), furnace black (type B) and gas black (type C): relative tinting strength, dibutylphthalate absorption value, specific surface area, matter volatile at 105 ?and at 950 ? loss on ignition, residue on sieve and matter soluble in toluen. Additionally requirements for the black value of the three types of carbon blacks were included into the standard.
DIN 55968:1999 history
2013DIN 55968:2013-08 Pigments - Industrial carbon blacks (lamp black, furnace black, gas black) - Requirements and methods of test
2013DIN 55968:2013 Pigments - Industrial carbon blacks (lamp black, furnace black, gas black) - Requirements and methods of test
1999DIN 55968:1999 Pigments - Industrial carbon blacks (lamp black, furnace black, gas black) - Requirements and methods of test