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Master Bond adhesives

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Hexcel® HexPly® 954-3A Curing Cyanate Resin
Categories: Polymer; Thermoset; Epoxy

Material Notes: HexPly® 954-3A is a 350°F (177°C) curing cyanate resin with a 400°F (204°C) glass transition temperature. Standard cure is two hours at 350°F (177°C). Glass transition temperatures can be maximized by a free-standing post cure at 450°F (232°C). HexPly® 954-3A is a controlled flow cyanate resin designed for autoclave and vacuum bag curing. HexPly® 954-3A can be impregnated on all available fibers and fabrics. The recommended lay-up procedure for HexPly® 954-3A is HSP-L3. The recommended cure procedure is HSP-C1.
Typical applications are primary and secondary space structures where dimensional stability and low moisture absorption are required.

Information provided by HexCel

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Physical PropertiesOriginal ValueComments
Density 1.19 g/cc
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Yield 56.0 MPa
@Temperature 23.0 °C
Elongation at Break 1.9 %
Tensile Modulus 3.30 GPa
@Temperature 23.0 °C
Flexural Yield Strength 88.0 MPa
@Temperature 23.0 °C
Flexural Modulus 3.20 GPa
@Temperature 23.0 °C
 
Thermal PropertiesOriginal ValueComments
Glass Transition Temp, Tg 197 °C

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PHEXC032 / 98502

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