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ASTM E595-15
Standard Test Method for Total Mass Loss and Collected Volatile Condensable Materials from Outgassing in a Vacuum Environment- 발행일 : 2015-05-01
- 발행기관 : ASTM
상세정보
| 분야 | 15.03 : 공간시물레이션; 항공우주재료; 고율섬유와 합성물 |
|---|---|
| 적용범위 | 1.1 This test method covers a screening technique to determine volatile content of materials when exposed to a vacuum environment. Two parameters are measured: total mass loss (TML) and collected volatile condensable materials (CVCM). An additional parameter, the amount of water vapor regained (WVR), can also be obtained after completion of exposures and measurements required for TML and CVCM. 1.2 This test method describes the test apparatus and related operating procedures for evaluating the mass loss of materials being subjected to 125°C at less than 7 × 10−3 Pa (5 × 10−5 torr) for 24 h. The overall mass loss can be classified into noncondensables and condensables. The latter are characterized herein as being capable of condensing on a collector at a temperature of 25°C. Note 1: Unless otherwise noted, the tolerance on 25 and 125°C is ±1°C and on 23°C is ±2°C. The tolerance on relative humidity is ±5 %. 1.3 Many types of organic, polymeric, and inorganic materials can be tested. These include polymer potting compounds, foams, elastomers, films, tapes, insulations, shrink tubings, adhesives, coatings, fabrics, tie cords, and lubricants. The materials may be tested in the “as-received” condition or prepared for test by various curing specifications. 1.4 This test method is primarily a screening technique for materials and is not necessarily valid for computing actual contamination on a system or component because of differences in configuration, temperatures, and material processing. 1.5 The criteria used for the acceptance and rejection of materials shall be determined by the user and based upon specific component and system requirements. Historically, TML of 1.00 % and CVCM of 0.10 % have been used as screening levels for rejection of spacecraft materials. 1.6 The use of materials that are deemed acceptable in accordance with this test method does not ensure that the system or component will remain uncontaminated. Therefore, subsequent functional, developmental, and qualification tests should be used, as necessary, to ensure that the material's performance is satisfactory. 1.7 This standard does not purport to address all of the safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
| 국제분류(ICS)코드 | 23.160 : 진공공학 |
| 페이지수 | 9 |
| Edition | 15 |
이력정보
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ASTM E595-15(2021)상세보기 | Standard Test Method for Total Mass Loss and Collected Volatile Condensable Materials from Outgassing in a Vacuum Environment | 2021-04-01 | 표준 |
| 2 | ASTM E595-15상세보기 | Standard Test Method for Total Mass Loss and Collected Volatile Condensable Materials from Outgassing in a Vacuum Environment | 2015-05-01 | 구판 |
| 3 | ASTM E595-15 REDLINE상세보기 | Standard Test Method for Total Mass Loss and Collected Volatile Condensable Materials from Outgassing in a Vacuum Environment | 2015-05-01 | 구판 |
| 4 | ASTM E595-07상세보기 | Standard Test Method for Total Mass Loss and Collected Volatile Condensable Materials from Outgassing in a Vacuum Environment | 2007-12-01 | 구판 |
| 5 | ASTM E595-06상세보기 | Standard Test Method for Total Mass Loss and Collected Volatile Condensable Materials from Outgassing in a Vacuum Environment | 2006-11-01 | 구판 |
| 6 | ASTM E595-93(2003)e2상세보기 | Standard Test Method for Total Mass Loss and Collected Volatile Condensable Materials from Outgassing in a Vacuum Environment | 2003-10-01 | 구판 |
| 7 | ASTM E595-93(2003)e1상세보기 | Standard Test Method for Total Mass Loss and Collected Volatile Condensable Materials from Outgassing in a Vacuum Environment | 2003-10-01 | 구판 |
| 8 | ASTM E595-93(1999)상세보기 | Standard Test Method for Total Mass Loss and Collected Volatile Condensable Materials from Outgassing in a Vacuum Environment | 1999-04-10 | 구판 |
관련상품
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