Solvay MTM® 21S Polyester Resin

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Solvay MTM® 21S Polyester Resin
Categories:	Polymer; Thermoset; Polyester, TS
Material Notes:	Description: MTM21S is a 120°C (248°F) curing, styrene free, polyester resin matrix. MTM21S has been developed specially for tube rolling applications and can be processed by oven or press molding. Features & Benefits: Styrene-free 60 days out life at 21°C (70°F) 12 months storage at -18°C (0°F) 80 to 140°C (176 to 284°F) cure temperature Oven or press molding Product Variants: MTM21S: natural color MTM21SMG: Medium Gray MTM21SW: White Note 1: Material: MTM21S/430 g/m2 8H E-glass unidirectional tape; Cure cycle: 1 hr at 120°C (248°F), 6.2 bar (90 psi) Information provided by Cytec, subsequently acquired by Solvay.
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Physical Properties	Metric	English	Comments

Density	1.29 g/cc	0.0466 lb/in³	Cured resin, 1 hr at 120°C, +5/-0°C
Storage Temperature	-18.0 °C	-0.400 °F

Mechanical Properties	Metric	English	Comments
Flexural Strength	917 MPa	133000 psi	0°, Note 1; CRAG 200
Flexural Modulus	35.0 GPa	5080 ksi	0°, Note 1; CRAG 200
Shear Strength	649 MPa	94200 psi	0° Interlaminar, Note 1; ASTM D2344

Thermal Properties	Metric	English	Comments
Glass Transition Temp, Tg	46.0 °C	115 °F	DMA, 1 hr at 120°C, +5/-0°C, wet
	70.0 °C	158 °F	DMA, 1 hr at 120°C, +5/-0°C, dry

Processing Properties	Metric	English	Comments
Cure Time	15.0 min @Temperature 140 °C	0.250 hour @Temperature 284 °F
	60.0 min @Temperature 120 °C	1.00 hour @Temperature 248 °F
	240 min @Temperature 100 °C	4.00 hour @Temperature 212 °F
	480 min @Temperature 90.0 °C	8.00 hour @Temperature 194 °F
Shelf Life	12.0 Month	12.0 Month

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PCYTED187 / 180489

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