Solvay PRISM™ EP2400 Resin System

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Solvay PRISM™ EP2400 Resin System
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	Description: PRISM™ EP2400 is a single part, 180°C (356°F) curing, toughened liquid epoxy resin system offering simple and flexible processing with the damage tolerance required for composite primary structure. The value of resin infusion is the ability to design complex geometric parts while leveraging a unitized structure which ultimately leads to a reduction in weight, lower part counts and the elimination of many post-manufacturing processes. The growth in resin infusion drives the demand for new resin and textile solutions which exhibit increased toughness and improved processability. PRISM EP2400 has an optimized low viscosity/temperature profile allowing injections at temperatures from 70°C (158°F) without the need for excessive heating of resin transfer pipework or high injection pressures. After injection, the resin viscosity decreases to below 20 cP, helping to ensure full fiber wetting. PRISM EP2400 offers a dry Tg (storage modulus intercept) of 179°C (354°F) and an exceptional wet Tg of 163°C (325°F) following a two-hour cure at 180°C (356°F). Features & Benefits: One-part toughened resin system specifically developed for ease of processing primary aircraft structures Suitable for processing via RTM, VaRTM, CAPRI Two-hour 180°C (356°F) cure giving service temperature of >120°C (>248°F) Exceptional “wet” Tg of 163°C (325°F) Injectable at 70°C (158°F) Wide processing window; 10 hours at <300cP at 100°C (212°F) <100cP initial injection viscosity Minimum viscosity of 20 cP at 120°C (248°F) Excellent compression strength and damage tolerance Compliance with FAR/JAR Flammability, Smoke and Toxicity High strain enhances fatigue and microcrack resistance Shelf-life >12 months at -18°C (0°F) and out-life >28 days at 22°C (72°F) Low reactivity; No special shipping requirements Applications: Primary structure applications requiring superior toughness, low viscosity and extended pot-life Stringer Stiffened Box Covers Fuselage and Window Frames Pressure Bulkheads Passenger and Cargo Door Structures Engine Containment Cases Hinge/Brackets/Fittings Note 1: PRISM EP2400 3K T300 PW Woven Carbon Fabric Note 2: Quasi-isotropic Mechanical Properties: PRISM EP2400 Non-Crimped Carbon Fabric (NCF), Bi-Axial NCF 12K HTS40 Note 3: Quasi-isotropic Mechanical Properties: PRISM EP2400 Non-Crimped Carbon Fabric (NCF), Uni-Directional NCF 24K IMS60 Information provided by Cytec, subsequently acquired by Solvay.
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Physical Properties	Original Value	Comments

Density	1.24 g/cc	Cured Neat Resin

Mechanical Properties	Original Value	Comments
Tensile Strength	13800 psi	Neat Resin
	54200 psi @Temperature -55.0 °C	Notched, Note 2
	59700 psi @Temperature 23.0 °C	Notched, Note 2
	76900 psi @Temperature -55.0 °C	Notched, Note 3
	82700 psi @Temperature 23.0 °C	Notched, Note 3
	98900 psi @Temperature 23.0 °C	Note 2
	135000 psi @Temperature 23.0 °C	Note 3
Elongation at Break	7.2 %	Neat Resin
Tensile Modulus	3.40 GPa	Neat Resin
	51.0 GPa	Note 1
	66.0 GPa	Note 2
Flexural Strength	23800 psi	Neat Resin
Flexural Modulus	3.60 GPa	Neat Resin
Compressive Strength	215 MPa	After 30 J impact, Note 2
	217 MPa	after 30J Impact quasi-isotropic; ASTM D7137
	225 MPa	After 30 J impact, Note 3
	230 MPa @Temperature 82.0 °C	Notched, wet, Note 1; ASTM D6484
	243 MPa @Temperature 23.0 °C	Notched, Note 2
	265 MPa @Temperature 23.0 °C	Notched, Note 3
	301 MPa @Temperature 23.0 °C	Notched, Note 1; ASTM D6484
	301 MPa @Temperature -55.0 °C	Notched, Note 2
	301 MPa @Temperature -55.0 °C	Notched, Note 3
	528 MPa @Temperature 82.0 °C	0/90, wet, Note 1; ASTM D695
	574 MPa @Temperature 23.0 °C	Note 2
	595 MPa @Temperature 23.0 °C	Note 3
	802 MPa @Temperature 23.0 °C	0/90, Note 1; ASTM D695
Compressive Modulus	41000 MPa @Temperature 23.0 °C	Note 2
	61000 MPa @Temperature 82.0 °C	0/90, wet, Note 1; ASTM D695
	62000 MPa @Temperature 23.0 °C	0/90, Note 1; ASTM D695
	65000 MPa @Temperature 23.0 °C	Note 3
Ultimate Bearing Strength	960 MPa	Note 2
	1096 MPa	Note 3
Bearing Yield Strength	784 MPa	2%, Note 2
	850 MPa	2%, Note 3
Fracture Toughness	0.960 MPa-m½	KIC, Neat Resin
Shear Modulus	4.10 GPa @Temperature 23.0 °C	In-plane (+45/-45), wet; ASTM D3518
	4.40 GPa @Temperature 23.0 °C	In-plane (+45/-45); ASTM D3518
Shear Strength	11500 psi	Apparent interlaminar 0/90; ASTM D2344
	17100 psi	In-plane (+45/-45); ASTM D3518

Thermal Properties	Original Value	Comments
CTE, linear	60.5 µm/m-°C	Neat Resin
Maximum Service Temperature, Air	>= 120 °C
Glass Transition Temp, Tg	163 °C	Neat Resin, wet, 48 hr Water Boil
	179 °C	Neat Resin

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PCYTED094 / 180396

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