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Ensinger PEI

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Hexcel® HexPly® 996 Siloxane Resin
Categories: Polymer; Thermoplastic; Siloxane

Material Notes: Description: HexPly® 996 is a 350ºF (177ºC) curing cyanate siloxane resin with a 330ºF (165ºC) glass transition temperature. Standard cure is two hours at 350ºF (177ºC). HexPly® 996 can be autoclave and press cured. HexPly® 996 can be impregnated on all available fibers and fabrics. The recommended lay-up procedure for HexPly® 996 is HSP-L3. The recommended cure procedure is HSP-C1 or HSP-C6. Typical applications for HexPly® 996 are primary and secondary space structures where the optimum dimensional stability and lowest moisture absorption are required.

Features:

  • Lowest moisture absorbing cyanate resin system available
  • Attractive electrical properties
  • Good dimensional stability
  • 350ºF (177ºC) cure
  • Available in a broad range of reinforcements for both tapes and fabrics
  • Good microcracking resistance
  • Low outgassing

Information provided by Hexcel Corporation.

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Physical PropertiesOriginal ValueComments
Density 1.146 g/cc
Outgassing - Total Mass Loss 0.0100 %CVCM
 0.100 %WVR
 0.170 %TML
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength 51.0 MPa
Elongation at Break 1.70 %
Tensile Modulus 3.00 GPa
Flexural Strength 76.0 MPa
Flexural Modulus 3.20 GPa
Compressive Strength 132 MPa
 
Thermal PropertiesOriginal ValueComments
CTE, linear 31.96 µin/in-°F
@Temperature 14.4 - 25.6 °C
Glass Transition Temp, Tg 169 °CRDS Torsion G1
 
Descriptive Properties
G1 C2.36 in-lbs/in2

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PHEXCB9111 / 322267

Proto3000 – 3D Engineering Solutions

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