1 Scope
This part of GB/T 1232 specifies the method for determining the Mooney viscosity of raw rubber or rubber compounds by a shearing-disc viscometer.
This part is applicable to the determination of Mooney viscosity of raw rubber or rubber compounds.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
ISO 1795 Rubber, raw natural and raw synthetic - Sampling and further preparative procedures
ISO 2393 Rubber test mixes - Preparation,mixing and vulcanization - Equipment and procedures
ISO 6508-1 Metallic materials - Rockwell hardness test - Part 1:Test method
ISO/TR 9272 Rubber and rubber products - Determination of precision for test method standards
ISO 18899:2013 Rubber - Guide to the calibration of test equipment
ISO 23529 Rubber - General procedures for preparing and conditioning test pieces for physical test methods
3 Principle
The torque, which has to be applied under specified conditions in order to rotate the rotor in a cylindrical cavity filled with rubber, is measured. The resistance offered by the rubber to this rotation is expressed in arbitrary units as the Mooney viscosity of the test piece.
Foreword i
1 Scope
2 Normative references
3 Principle
4 Instruments
5 Preparation of test piece
6 Temperature and duration of test
7 Test procedures
8 Expression of results
9 Precision
10 Test report
Annex A (informative) Precision statement
Annex B (Informative) Heat-stable film for Mooney viscosity measurements
Annex C (Normative) Calibration schedule
Standard
GB/T 1232.1-2016 Rubber,unvulcanized―Determinations using a shearing-disc viscometer―Part 1:Determination of Mooney viscosity (English Version)
Standard No.
GB/T 1232.1-2016
Status
valid
Language
English
File Format
PDF
Word Count
8500 words
Price(USD)
230.0
Implemented on
2017-5-1
Delivery
via email in 1 business day
Detail of GB/T 1232.1-2016
Standard No.
GB/T 1232.1-2016
English Name
Rubber,unvulcanized―Determinations using a shearing-disc viscometer―Part 1:Determination of Mooney viscosity
1 Scope
This part of GB/T 1232 specifies the method for determining the Mooney viscosity of raw rubber or rubber compounds by a shearing-disc viscometer.
This part is applicable to the determination of Mooney viscosity of raw rubber or rubber compounds.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
ISO 1795 Rubber, raw natural and raw synthetic - Sampling and further preparative procedures
ISO 2393 Rubber test mixes - Preparation,mixing and vulcanization - Equipment and procedures
ISO 6508-1 Metallic materials - Rockwell hardness test - Part 1:Test method
ISO/TR 9272 Rubber and rubber products - Determination of precision for test method standards
ISO 18899:2013 Rubber - Guide to the calibration of test equipment
ISO 23529 Rubber - General procedures for preparing and conditioning test pieces for physical test methods
3 Principle
The torque, which has to be applied under specified conditions in order to rotate the rotor in a cylindrical cavity filled with rubber, is measured. The resistance offered by the rubber to this rotation is expressed in arbitrary units as the Mooney viscosity of the test piece.
Contents of GB/T 1232.1-2016
Foreword i
1 Scope
2 Normative references
3 Principle
4 Instruments
5 Preparation of test piece
6 Temperature and duration of test
7 Test procedures
8 Expression of results
9 Precision
10 Test report
Annex A (informative) Precision statement
Annex B (Informative) Heat-stable film for Mooney viscosity measurements
Annex C (Normative) Calibration schedule