This standard specifies the summary of friction material density test methods, instruments and appliances, sample preparation, test procedures, result calculation and presentation, test reports, etc. This standard is applicable to the determination of density of various friction materials.
JC/T 685-2009 history
2009JC/T 685-2009 Test method for density of friction material
1998JC/T 685-1998 Test method of density of friction material