1 Subject content and applicable scope
This standard specifies the method for determining the Mooney viscosity of raw rubber or rubber compounds with a rubber Mooney viscometer.
This standard is applicable to the determination of Mooney viscosity of various raw rubber or unvulcanized rubber compounds.
2 Normative references
GB/T 2941 Rubber - Standard temperatures, humidities and times for the conditioning environmental and testing of test pieces
GB 6038 Rubber test mixes - Preparation, mixing and vulcanization - Equipment and procedures
ZB N72 024 Technical specifications for rubber Mooney viscometer
3 Test principle
This standard measures the torque required to rotate the rotor in a rubber-filled die cavity under specified test conditions and uses the Mooney viscosity as a unit of measuring for this torque.
4 Test instruments
4.1 The Mooney viscometer used in this standard shall comply with those specified in ZB N72 024.
Foreword i
1 Subject content and applicable scope
2 Normative references
3 Test principle
4 Test instruments
5 Specimens
6 Test temperature and duration
7 Test procedures
8 Test results
9 Test report
Annex A (Informative) Preparation method of specimens for Mooney viscosity measurement
Additional explanation