Standard Test Methods for Rubber …（橡胶的标准测试方法u2026）.pdf

Designation: D 395 – 03 (Reapproved 2008) Standard Test Methods for Rubber Property—Compression Set1 This standard is issued under the fixed designation D 395; 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 (´) 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 3767 Practice for Rubber—Measurement of Dimensions 1.1 These test methods cover the testing of rubber intended D 4483 Practice for Evaluating Precision for Test Method for use in applications in which the rubber will be subjected to Standards in the Rubber and Carbon Black Manufacturing compressive stresses in air or liquid media. They are applicable Industries particularly to the rubber used in machinery mountings, vibra- E 145 Specification for Gravity-Convection and Forced- tion dampers, and seals. Two test methods are covered as Ventilation Ovens follows: 3. Summary of Test Methods Test Method Section 3.1 A test specimen is compressed to either a deflection or A—Compression Set Under Constant Force in Air 7–10 by a specified force and maintained under this condition for a B—Compression Set Un