文档介绍：Designation: D 412 – 06a
Standard Test Methods for
Vulcanized Rubber and Thermoplastic Elastomers—
Tension1
This standard is issued under the fixed designation D 412; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope D 4483 Practice for Evaluating Precision for Test Method
These test methods cover procedures used to evaluate Standards in the Rubber and Carbon Black Manufacturing
the tensile (tension) properties of vulcanized thermoset rubbers Industries
and thermoplastic elastomers. These methods are not appli- E4 Practices for Force Verification of Testing Machines
cable to ebonite and similar hard, low elongation materials. ASTM Adjunct:
3
The methods appear as follows: Cut Ring Specimens, Method B (D 412)
Test Method A—Dumbbell and Straight Section Specimens ISO Standards:
Test Method B—Cut Ring Specimens ISO 37 Rubber, Vulcanized and Thermoplastic Determina-
tion of Tensile Stress-Strain Properties4
NOTE 1—These two different methods do not produce identical results.
The values stated in either SI or non-SI units shall be 3. Terminology
regarded separately as normative for this standard. The values Definitions:
in each system may not be exact equivalents; therefore each tensile set—the extension remaining after a specimen
system must be used independently, bining values. has been stretched and allowed to retract in a specified manner,
This standard does not purport to address all of the expressed as a percentage of the original length. (D 1566)
safety concerns, if any, associated with its use. It is the tensile set-after-break—the tensile set measured by