AC-550
Product Description
SOLIMIDE® AC-550 polyimide foam is used in aircraft and aerospace markets as a lightweight, non-wicking, thermal and acoustic foam insulation material where fire resistance, non-toxic properties, and the absence of smoke generation are critical. AC-550 is formaldehyde-free and demonstrates outstanding long term stability under humid conditions and after temperature cycling. SOLIMIDE® AC-550 insulation is used in a variety of applications, including aircraft fuselage, under floor, ECS ducts and equipment. The thermal and acoustic foam insulation can be cut into a variety of shapes and sizes, and is compatible with many different facings, coatings and adhesives to meet end user requirements.
Specifications / Certificates
- • Boeing BMS 8-300
- • Bombardier BAMS 544-006
- • Boeing (Douglas) DMS 2330
- • ASTM C 1482
- • Hamilton Sundstrand HS 14190
- • Lockheed Martin LAC 23-4831
- • SOLIMIDE® Foams may meet additional specifications that are not listed here. Please contact us to determine if it meets your specifications or other requirements.
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PROPERTIES | UNITS | VALUES | TESTING |
---|---|---|---|
Density | lb/ft3 (kg/m3) | 0.44 (7.1) | ASTM D3574 Test A, IOS 845 |
FAA Radiant Panel
FAR 25.856(a) |
Pass | ||
Smoke Developed Index
Flaming & Non-flaming Modes |
<5 | ASTM E662 | |
Noise Reduction Coefficient (NRC), 1
in (25mm) |
0.75 | ASTM C423 and E795,
Mounting A |
|
Max Continuous Use Temperature | °F(°C) | 400 (200) | |
Thermal Conductivity at
75°F(24℃) |
BTU-in/hr-ft²-°F
(W/mk) |
0.32 (0.046) | ASTM C518 |
Offgassing/Outgassing TMI | % | <1.0 | ASTM E595 |
Offgassing/Outgassing CVCM | % | <0.1 | ASTM E595 |
Markets
- - Aerospace and defense tubing, gaskets and duct insulation
- - Aircraft fuselage and under floor insulation