Thermal Vacuum Stability ASTM E595 / SP-R-0022

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Thermal Vacuum Stability ASTM E595 / SP-R-0022

• This test method is a screening technique to
  determine the volatile content of materials when
  exposed to a vacuum environment
• Three parameters are measured
• TML Total Mass Loss
• CVCM Collected Volatile Condensable Materials
• WVR Water Vapor regained

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Thermal Vacuum Stability ASTM E595 / SP-R-0022

• Typical Specimen
• 100 to 300 mg as 1.5 to 3 mm cubes
• Organic, polymeric, and inorganic materials
• Test Conditions
• 125C for 24 hours
• at least 7x10-3 Pa vacuum
• Collector at 25C
• Pre and post condition exposure to 23C and 50
  RH for 24 hours
• Acceptance Criteria
• TML of lt 1
• CVCM of lt 0.1