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Hexcel® HexPly® 8551-7 Epoxy Matrix

Category	Polymer , Thermoset , Epoxy , Epoxy Cure Resin
Manufacturer	Hexcel
Trade Name	HexPly®
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Hexcel® HexPly® 8551-7 Epoxy Matrix.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

HexPly® 8551-7 is an amine-cured, toughened epoxy resin system supplied with unidirectional graphite fibers. Typical reinforcement is continuous IM7 (intermediate modulus) graphite filaments. HexPly® 8551-7 was developed to operate in a temperature environment of up to 200°F (93°C). IM7/8551-7 is an extremely damage-resistant system, recommended for structural applications requiring high strength, stiffness, and damage tolerance. Conventional thermoset resin processing equipment and techniques can be used to process IM7/8551-7 prepreg tape.Features: Service temperature up to 200°F (93°C), Extremely damage-resistant system, 350°F (177°C)

Physical Properties	Metric	English
Density	1.272 g/cc	0.04595 lb/in³
Moisture Absorption at Equilibrium	3.1 %	3.1 %
Viscosity	1900 cP @Temperature 129 - 149 °C	1900 cP @Temperature 264 - 300 °F

Mechanical Properties	Metric	English
Tensile Strength, Yield	99.3 MPa	14400 psi
Elongation at Yield	4.4 %	4.4 %
Tensile Modulus	4.09 GPa	593 ksi
Fracture Toughness	3.51 MPa-m½	3.19 ksi-in½

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	93.3 °C	200 °F
Glass Transition Temp, Tg	116 °C	241 °F	Wet
	157 °C	315 °F	Dry

Processing Properties	Metric	English	Comments
Gel Time	8.00 - 16.0 min @Temperature 177 °C	8.00 - 16.0 min @Temperature 351 °F

Descriptive Properties	Value	Comments
Tack Life (days)	40

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