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ASTM E595 Outgassing Services

With the ability to cause damage and failure to mission-critical components, outgassing is an important characteristic to be considered in material selection. Our ASTM E595 testing services help you choose compatible materials that ensure the material meets the Total Mass Loss (TML) and the Collected Volatile Condensable Materials requirements established by NASA and the European Space Agency (ESA).

ASTM E595 Outgassing Test Procedure
During ASTM E595 testing, a material is placed in a thermal vacuum chamber and typically exposed to a 125°C  temperatures and vacuum force up to 5 x 10-5 torr. After a 24-hour outgas exposure, the specimens and the condensing plates are weighed to determine mass loss, and the percentage of the volatile effluents that were collected during testing.

Our ASTM E595 testing services are critical to the material selection process for high vacuum applications. In addition to measuring outgassing levels, our experts can provide testing and data about residual gas analysis, thermal properties and other aerospace properties.

ASTM E595除氣測試
ASTM E595 在真空環(huán)境中除氣作用引起的總質(zhì)量損失和揮發(fā)物質(zhì)冷凝量的測試方法
ASTM E595 Standard Test Method for Total Mass Loss and Collected Volatile Condensable Materials from Outgassing in a Vacuum Environment
 
ASTM E595除氣測試-測試方法
ASTM E595除氣測試方法包含使用篩選技術來確定的材料在真空狀態(tài)下的揮發(fā)性。需要測試兩個參數(shù)：總質(zhì)量虧損（TML）和揮發(fā)物質(zhì)冷凝量（CVCM）。另一個參數(shù)水汽量(WVR), 也可以在完成對TML和CVCM的測試后獲得。
ASTM E595 outgassing test, 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
 
ASTM E595除氣測試-測試范圍
各種各樣的有機分子，聚合物和無機材料都可以被測試。這些材料包含：聚合混合物，發(fā)泡材料，彈性體，薄膜，膠帶，絕緣體，收縮管，膠水，涂料，紡織面料，和輪滑油。
Many types of organic, polymeric, and inorganic materials can be tested by ASTM E595 outgassing test. 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.
 
ASTM E595除氣測試-測試項目和要求：
TML （total mass loss）總質(zhì)量虧損,要求≤1%
CVCM （collected volatile condensable materials）揮發(fā)物質(zhì)冷凝量, 要求≤0.1%
WVR （the amount of water vapor regained）水汽量

更多關于ASTM E595除氣測試 outgassing test，請咨詢南京睿督公司
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