Standard
[CURRENT]
ISO 4656:2012-07
Rubber compounding ingredients - Carbon black - Determination of oil absorption number (OAN) and oil absorption number of compressed sample (COAN)
German title
Einsatzstoffe für Kautschuk - Ruße - Bestimmung der Ölabsorptionszahl (OAN) und der Ölabsorptionszahl einer komprimierten Probe (COAN)
Publication date
2012-07
Original language
English
Pages
18
Publication date
2012-07
Original language
English
Pages
18
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Content
Content (en)
Foreword
Scope
Normative references
Principle
Reagents
Apparatus
Sample preparation
Conditions of test
Procedure
Show subsection Close subsection Checking of the absorptometer and constant-rate burette
Calibration and normalization of the absorptometer
Test portion
Show subsection Close subsection OAN determinations
COAN determinations
Determination
Expression of results
Precision and bias
Test report
Preparation of compressed test portions (normative)
Show subsection Close subsection Scope
Principle
Apparatus
Sample preparation
Procedure
Show subsection Close subsection Procedure using type A compression cylinder (see Figure A.1)
Procedure using type B compression cylinder (see Figure A.2)
Additional information
Checking and adjustment of torque and hydraulic damping (normative)
Show subsection Close subsection Electronic absorptometers — Types C, E and DABS
Mechanical absorptometer — Type A
Show subsection Close subsection Apparatus
Checking
Adjustment of the spring
Adjustment of the dashpot damper valve
Mechanical absorptometer — Type B
Show subsection Close subsection Apparatus
Checking
Adjustment of the iso-elastic spring
Adjustment of the dashpot damper valve
Checking of the constant-rate burette (normative)
Show subsection Close subsection General
Reagents
Apparatus
Preliminary check
Checking procedure
Assessment of check
Precision and bias (informative)
Show subsection Close subsection Bibliography
Cooperation at DIN
Please get in touch with the relevant contact person at DIN if you have problems understanding the content of the standard or need advice on how to apply it.
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