ASTM D3191-06

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D3191–06
Standard Test Methods for
Carbon Black in SBR (Styrene-Butadiene Rubber)—Recipe
1
and Evaluation Procedures
This standard is issued under the fixed designation D 3191; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope D 2084 Test Method for Rubber Property—Vulcanization
Using Oscillating Disk Cure Meter
1.1 These test methods cover the standard materials, test
D 3182 Practice for Rubber—Materials, Equipment, and
formula, mixing procedure, and test methods for the evaluation
Procedures for Mixing Standard Compounds and Prepar-
and production control of carbon blacks in styrene butadiene
ing Standard Vulcanized Sheets
rubber (SBR).
D 3674 Test Method for Carbon Black Relative Extrucion
1.2 The values stated in SI units are to be regarded as the
3
Mass
standard. The values in parentheses are for information only.
D 4483 Practice for Evaluating Precision for Test Method
1.3 This standard does not purport to address all of the
Standards in the Rubber and Carbon Black Manufacturing
safety concerns, if any, associated with its use. It is the
Industries
responsibility of the user of this standard to establish appro-
D 5289 Test Method for Rubber Property—Vulcanization
priate safety and health practices and determine the applica-
Using Rotorless Cure Meters
bility of regulatory limitations prior to use.
E 145 Specification for Gravity-Convection And Forced-
2. Referenced Documents Ventilation Ovens
2
2.1 ASTM Standards:
3. Significance and Use
D 412 Test Methods for Vulcanized Rubber and Thermo-
3.1 The major portion of carbon black consumed by the
plastic Elastomers—Tension
rubber industry is used to improve the physical properties, life
D 1646 Test Methods for Rubber—Viscosity, Stress Relax-
expectancy, and utility of rubber products. These test methods
ation, and Pre-Vulcanization Characteristics (Mooney Vis-
provideanSBRrecipeanddirectionsforevaluatingalltypesof
cometer)
carbon black intended for use in rubber products. Other
D 1799 Practice for Carbon Black—Sampling Packaged
procedures are available elsewhere in theASTM standards for
Shipments
the evaluation of carbon black itself.
D 1900 Practice for Carbon Black—Sampling Bulk Ship-
3.2 These test methods may be used to characterize carbon
ments
black in terms of specific properties of the standard compound.
These test methods are useful for the quality assurance of
carbon black production. They may also be used for the
1
These test methods are under the jurisdiction of ASTM Committee D24 on
preparation of reference compounds, to confirm the day-to-day
Carbon Black and are the direct responsibility of Subcommittee D24.71 on Carbon
reliability of testing operations used in the rubber industry, for
Black Testing in Rubber.
the evaluation of experimental compounds, and quality control
Current edition approved July 1, 2006. Published July 2006. Originally approved
in 1973. Last previous edition approved in 2002 as D 3191 – 02.
of production compounds.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
3
the ASTM website. Withdrawn.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D3191–06
4. Standard Test Formula
Duration, Accumula-
min tive, min
4.1 Standard Formula:
A
Set the mill opening at 1.1 mm (0.045 in.) 2.0 2.0
Material IRM Quantity,
and band the polymer on the front roll.
No. parts by
3 1
Make ⁄4 cuts every ⁄2 min from alternate
mass
sides.
SBR-1500 . 100.00
B,C
Add the sulfur slowly and evenly across 2.0 4.0
Zinc oxide 91 3.00
B,C
the mill at a uniform rate.
Sulfur 31 1.75
B,C
Stearic acid 21 1.00
3
Add the stearic acid. Make one ⁄4 cut 2.0 6.0
Carbon black . 50.00
C,D
from each side after the stearic acid has
TBBS . 1.00
been incorporated.
Total 156.75
E
Batch factor:
Add the carbon black evenly across the 10.0 16.0
A mill at a uniform rate. When one half the
IRM 91 is available from R. E. Carroll, Inc., 1570 North Olden Ave., Trenton, NJ
black is incorporated, open the mill to 1.4
08638; (800) 257–9365. IRM 21 and IRM 31 are available from Akron Rubber
3
mm (0.055 in.) and make one ⁄4 cut from
Development Lab, 2887 Gilchrist Road, Akron, OH 44305; (330) 794–6600.
each side. Add the remainder of the car-
B
For the MIM procedure, it is recommended that a blend of compounding
bon black. When all the black has been
ma
...