Solvay EF5313 Polysiloxane Polymer

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Solvay EF5313 Polysiloxane Polymer
Categories:	Polymer; Thermoset
Material Notes:	Description: EF5313 is a back pigmented polysiloxane polymer prepreg matrix suitable for high temperature applications. EF5313 recommended cure is at 190°C (374°F), followed by a post-cure at 300°C (572°F). Typical applications include lightweight heat shields and ducts to protect composite structures for short durations up to 600°C (1112°F). The life of components made from EF5313 at elevated temperatures depends on the time, temperature and nature of the hot environment and must be determinded by in-situ testing. EF5313 is suitable for light-load bearing applications. Features & Benefits: 5 day tack life at 21°C (70°F) 20 day tack life at 21°C (70°F) with both release films in position 12 months storage at -18°C (0°F) Autoclave processing Typical cure 6 hrs at 190°C (374°F) Suitable for high temperature applications Note 1: Material: EF5313-6581 S2 glass fiber 300g/cm2; Cure: 6 hrs at 190° (374°F), 6.2 bar (90 psi); Post cure: 6 hrs at 300°C (572°F) Note 1: Material: EF5313-6581 S2 glass fiber 300g/cm3. Quasi-isotropic laminate.; Cure: 6 hrs at 190° (374°F), 6.2 bar (90 psi); Post cure: 6 hrs at 300°C (572°F) Information provided by Cytec, subsequently acquired by Solvay.
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Physical Properties	Metric	English	Comments

Density	1.25 g/cc	0.0452 lb/in³	6 hrs at 190°C, 90 psi + 6 hrs at 300°C
Storage Temperature	-18.0 °C	-0.400 °F

Mechanical Properties	Metric	English	Comments
Tensile Strength	213.9 MPa	31030 psi	0/90°, Note 1; LIS/MEC/059
Tensile Modulus	25.58 GPa	3710 ksi	0/90°, Note 1; LIS/MEC/059
Flexural Strength	54.9 MPa	7960 psi	0/90°, Note 1, Exposure: 1 hr at 600°C; LIS/MEC/250
	192 MPa	27800 psi	0/90°, Note 1, Exposure: 1 hr at 400°C; LIS/MEC/250
	257 MPa	37300 psi	0/90°, Note 1; LIS/MEC/250
Flexural Modulus	20.9 GPa	3030 ksi	0/90°, Note 1, Exposure: 1 hr at 600°C; LIS/MEC/250
	27.2 GPa	3950 ksi	0/90°, Note 1, Exposure: 1 hr at 400°C; LIS/MEC/250
	28.4 GPa	4120 ksi	0/90°, Note 1; LIS/MEC/250
Shear Strength	13.0 MPa	1880 psi	0/90° Interlaminar. Note 1; LIS/MEC/252

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	600 °C	1110 °F	short term

Processing Properties	Metric	English	Comments
Cure Time	360 min @Temperature 190 °C	6.00 hour @Temperature 374 °F
Shelf Life	12.0 Month	12.0 Month

Descriptive Properties
Color	Black

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PCYTED172 / 180474

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