Solvay LTM® 26EL Epoxy with Woven Glass Fiber Laminate

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Solvay LTM® 26EL Epoxy with Woven Glass Fiber Laminate
Categories:	Polymer; Thermoset; Epoxy; Epoxy/Glass SMC
Material Notes:	LTM26 series prepregs are low to medium viscosity epoxy resin matrices formulated to cure at low initial cure temperatures. These prepregs can be used to manufacture components by autoclave, press or vacuum bag molding techniques. After post-cure, these resins are suitable for service temperatures up to 115°C (239°F) dry or 90°C (194°F) wet Features & Benefits: Out life between 2 and 5 days at 21°C (0°F) 12 months storage at -18°C (0°F) Low initial cure temperatures from 50 to 60°C(122 to 140°F) Service temperatures under load up to 115°C (239°F) Excellent mechanical properties, equivalent to many 120°C (248°F) curing prepreg systems Adhesion to foam core materials High quality components can be made from low cost and low temperature molds Rapid cure capability between 80°C (176°F) and 120°C (248°F) Product Variants: LTM26ELB- Black pigmented version of LTM26EL LTM26ELFR- Fire-retarded version of LTM26EL, passing JAR25.853 vertical burn LTM26ELFRB-Black pigmented version of LTM26ELFR LTM26ELFS- Low smoke (DIN5510, M1 compliant) variant of this resin system, see PDS1035 Property data for LTM26EL/300g/m2 8 harness satin (epoxy saline) woven glass fiber laminates; Cure cycle: 14 hours at 60°C (140°F), 6.2 bar (90 psi); Post-cure: 0.5 hour at 120°C (248°F) Information provided by Cytec, subsequently acquired by Solvay.
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Physical Properties	Original Value	Comments

Density	1.18 g/cc	Cured Resin, 1 hr at 120°C
Storage Temperature	-18.0 °C

Mechanical Properties	Original Value	Comments
Flexural Strength	10200 psi @Temperature 21.0 °C	0° Orientation, Cured; CRAG 200
	63100 psi @Temperature 100 °C	0° Orientation, Post-Cured, wet; CRAG 200
	75800 psi @Temperature 100 °C	0° Orientation, Post-Cured; CRAG 200
	79300 psi @Temperature 50.0 °C	0° Orientation, Post-Cured, wet; CRAG 200
	89500 psi @Temperature 21.0 °C	0° Orientation, Post-Cured, wet; CRAG 200
	91000 psi @Temperature 50.0 °C	0° Orientation, Post-Cured; CRAG 200
	92000 psi @Temperature 21.0 °C	0° Orientation, Cured, wet; CRAG 200
	95100 psi @Temperature 50.0 °C	0° Orientation, Cured; CRAG 200
	95700 psi @Temperature 21.0 °C	0° Orientation, Post-Cured; CRAG 200
Flexural Modulus	20.0 GPa @Temperature 100 °C	0° Orientation, Post-Cured, wet; CRAG 200
	21.0 GPa @Temperature 100 °C	0° Orientation, Post-Cured; CRAG 200
	21.0 GPa @Temperature 50.0 °C	0° Orientation, Post-Cured; CRAG 200
	22.0 GPa @Temperature 50.0 °C	0° Orientation, Post-Cured, wet; CRAG 200
	22.0 GPa @Temperature 21.0 °C	0° Orientation, Cured; CRAG 200
	23.0 GPa @Temperature 21.0 °C	0° Orientation, Cured, wet; CRAG 200
	24.0 GPa @Temperature 21.0 °C	0° Orientation, Post-Cured, wet; CRAG 200
	25.0 GPa @Temperature 21.0 °C	0° Orientation, Post-Cured; CRAG 200
	26.0 GPa @Temperature 50.0 °C	0° Orientation, Cured; CRAG 200
Shear Strength	4350 psi @Thickness 2540 mm	0° Interlaminar, Post-cured, wet; ASTM D2344
	5370 psi @Thickness 2540 mm	0° Interlaminar, Post-cured; ASTM D2344
	5950 psi @Thickness 1270 mm	0° Interlaminar, Post-cured, wet; ASTM D2344
	6380 psi @Thickness 1270 mm	0° Interlaminar, Cured; ASTM D2344
	6380 psi @Thickness 1270 mm	0° Interlaminar, Post-cured; ASTM D2344
	6530 psi @Thickness 533 mm	0° Interlaminar, Cured, wet; ASTM D2344
	7250 psi @Thickness 533 mm	0° Interlaminar, Post-cured, wet; ASTM D2344
	7400 psi @Thickness 533 mm	0° Interlaminar, Cured; ASTM D2344
	7540 psi @Thickness 533 mm	0° Interlaminar, Post-cured; ASTM D2344

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	90.0 °C	Wet, Post-Cure Required
	115 °C	Dry, Post-Cure Required
Glass Transition Temp, Tg	75.0 °C	DMA E' onset, 8 hrs at 60°C
	130 °C	DMA E' onset, 8 hrs at 60°C+1 hr at 120°C

Processing Properties	Original Value	Comments
Processing Temperature	60.0 °C	Cure Temp. Optimum
	50.0 - 100 °C	Cure Temp. Range
	120 °C @Time 3600 sec	Recommended Post-Cure
Gel Time	11.0 min @Temperature 100 °C
	22.0 min @Temperature 90.0 °C
	44.0 min @Temperature 80.0 °C
	90.0 min @Temperature 70.0 °C
	135 min @Temperature 65.0 °C
	200 min @Temperature 60.0 °C
	300 min @Temperature 55.0 °C
	450 min @Temperature 50.0 °C
Shelf Life	12.0 Month

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PCYTED140d / 193492

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