Solvay LTM® 123 Cyanate Ester Prepreg with GF0102 E-Glass Fabric

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Solvay LTM® 123 Cyanate Ester Prepreg with GF0102 E-Glass Fabric
Categories:	Polymer; Thermoset; Polyester, TS; Thermoset Polyester Glass SMC
Material Notes:	LTM123 is a low temperature curing, toughened cyanate ester component prepreg developed for structural applications requiring ultimate dimensional stability in a space environment. Its low moisture absorption and low electrical permittivity characteristics also make it suitable for radomes and radar absorbing structures. LTM123 is also suitable for high service temperature structural applications in the motorsport market. LTM123 can be processed using autoclave and oven vacuum bag methods to produce low voidage composites and can be molded off a range of low cost tooling with few constraints on structure dimensions. For space applications, LTM123 can develop a Tg of 140LC (248°F) after a minimum initial cure at 80°C (176°F) and a free-standing post-cure of 120°C (248°F). For motorsport applications, LTM123 can develop a Tg of 250°C (482°F) after a minimum initial cure at 80°C (176°F) and free-standing post-cure of 240°C (464°F). Features & Benefits: 3 days tack life at 21°C (70°F) 6 months storage at -18°C (0°F) 70°C (158°F) initial cure Autoclave cure Good dimensional stability and thermal durability up to 250°C (482°f) after post-cure Maximum Tg of 330°C (626°F); can withstand thermal spikes to 330°C (626°F) Inherently flame retardant, with low toxic gas and smoke generation Good dielectric properties for radar transparency : LTM123/GF0102 8H satin, 300 g/m2 E-glass fabric, finished in epoxy silane; Cure: 16 hrs at 80°C (176°F), 6.2 bar (90 psi); Post-cure: 2 hrs at 200°C (392°F). Flexural data normalized to 55 vol%. Information provided by Cytec, subsequently acquired by Solvay.
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Physical Properties	Original Value	Comments

Moisture Absorption at Equilibrium	0.22 %	0 to 60% RH, 60°C, (1.5mm 0°±60°C M55J reinforcement)
Storage Temperature	-18.0 °C	LTM® 123

Mechanical Properties	Original Value	Comments
Flexural Strength	80000 psi @Temperature 160 °C	0°/90°, wet; CRAG 200
	80800 psi @Temperature 120 °C	0°/90°, wet; CRAG 200
	145100 psi @Temperature 24.0 °C	0°/90°, dry; CRAG 200
Flexural Modulus	26.0 GPa @Temperature 160 °C	0°/90°, wet; CRAG 200
	27.0 GPa @Temperature 120 °C	0°/90°, wet; CRAG 200
	33.0 GPa @Temperature 24.0 °C	0°/90°, dry; CRAG 200
Shear Strength	4900 psi @Temperature 160 °C	0/90° Interlaminar, wet; ASTM D2344
	5800 psi @Temperature 120 °C	0/90° Interlaminar, wet; ASTM D2344
	11600 psi @Temperature 24.0 °C	0/90° Interlaminar, dry; ASTM D2344

Thermal Properties	Original Value	Comments
CTE, linear	-1.02 - -0.980 µm/m-°C @Temperature 20.0 - 80.0 °C	0°; M55J reinforcement

Processing Properties	Original Value	Comments
Cure Time	2.00 hour @Temperature 200 °C	Post-cure As Tested
	16.0 hour @Pressure 0.621 MPa, Temperature 80.0 °C	As Tested
Shelf Life	6.00 Month @Temperature -18.0 °C	LTM® 123

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PCYTED178h / 240088

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