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Proto3000 – 3D Engineering Solutions

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SEKISUI SPI KYDEX® 4545 Thermoplastic
Categories: Polymer; Thermoplastic

Material Notes: Ultra low heat release and smoke density aviation sheet

KYDEX® 4545 is a proprietary, high performance thermoplastic sheet specifically formulated to exceed the heat release and smoke density requirements in FAR 25.853 making it an idea material for composite constructions

KYDEX® 4545 exceeds the flammability and smoke development requirements outlined in Federal Aviation Regulations (FAR) 25.853 paragraphs (a) and (d). Its low heat release and smoke density offers an enhanced level of safety for interior components while making it an ideal material for composite constructions. Its wide processing window and ease of thermoforming makes it perfect for complex parts.

Suggested Applications:

  • Seat parts
  • Armrests
  • Bulkhead laminates
  • Molding strips
  • Passenger service units
  • Tray tables
  • Monitor shrouds
  • Kick panels

Features:

  • Exceeds the stringent requirements of FAR 25.853(d) in all thicknesses and colors
  • Excellent formability and fabrication characteristics
  • Processes similar to KYDEX® 6565 and KYDEX® 5555
  • Allows for tight tolerance control
  • Available in a wide range of colors
  • Available in P3 - Velour Matte texture

Values based upon 0.125 in (3.17 mm) sheet unless otherwise specified

Information provided by Sekisui Polymer Innovations

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.49 g/ccASTM D792
Moisture Absorption 0.0700 %
@Time 86400 sec
ASTM D570
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell R 113ASTM D785
Tensile Strength 54.8 MPaASTM D638
Tensile Modulus 3689 MPaASTM D638
Flexural Strength 87.6 MPaASTM D790
Flexural Modulus 3605 MPaASTM D790
Compressive Yield Strength 68.3 MPaASTM D695
Compressive Modulus 3785 MPaASTM D695
Ultimate Bearing Strength 253.7 MPaASTM D953
Bearing Yield Strength 39.5 MPa4% deflection; ASTM D953
Shear Strength 52.4 MPaASTM D732
 
Electrical PropertiesOriginal ValueComments
Dielectric Strength >= 18.7 kV/mmASTM D149
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Transverse to Flow 31.6 µin/in-°FASTM E831
Deflection Temperature at 1.8 MPa (264 psi) 168 °FAnnealed; ASTM D648
 
Descriptive Properties
FlammabilityDS(max)<150FAR 25.853(d) Part V; BS Smoke Density
 PassFAR 25.853(a)(ii); Vertical Burn, 12 sec
 PassFAR 25.853(a)(i); Vertical Burn, 60 sec
 Peak: <45 kW/m²FAR 25.853(d) Part IV; OSU Heat Release
 Total: <45 kW-min/m²FAR 25.853(d) Part IV; OSU Heat Release

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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PSEKIS036 / 185861

Aluminum Castings

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