This standard specifies the rapid determination method for the light transmittance of carbon black toluene extract by spectrophotometer. This standard is applicable to the rapid determination of light transmittance of carbon black toluene extract for rubber.
GB/T 3780.15-1997 history
2016GB/T 3780.15-2016 Carbon black—Part 15: Determination of light transmittance of toluene extract
2006GB/T 3780.15-2006 Carbon black.Part 15:Determination of light transmittance of toluene extract
1997GB/T 3780.15-1997 Carbon black for use in the rubber industry--Determination of light transmittance of toluene extract--Rapid method