Solvay HTM® 556 BMI

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Solvay HTM® 556 BMI
Categories:	Polymer; Thermoset; Bismaleimide (BMI)
Material Notes:	HTM 556 is a controlled flow, toughened bismaleimide (BMI) matrix system offering improved handling characteristics and after an appropriate post-cure, thermal cycling capability up to 250°C (482°F). HTM556 has been developed for structural applications where continuous service temperatures exceed 200°C (392°F) Features & Benefits: 30 days out life at 21°C (70°F) 12 months storage at -18°C (0°F) Controlled flow Excellent tack and drape with improved ambient temperature tack stability No hot debulks required Free-standing post-cure Maximum DMA E’ onset Tg of 270°C (518°F) after post-cure to 240°C (240°F) Upper service temperature 250°C (482°F) Note 1: Material: HTM556-T700G (12K)-145 g/m2-32%RW; Cure cycle: 6 hours at 190°C (374°F), 6.2 bar (90 psi); Post-cure: 6 hours at 240°C (464°F) Note 2: Material: HTM556-HTS (12K)-145 g/m2-32%RW; Cure cycle: 6 hours at 190°C (374°F), 6.2 bar (90 psi); Post-cure: 6 hours at 240°C (464°F) Note 3: Material: HTM556-IM7(6K)-plain weave-38%RW; Cure cycle: 6 hours at 190°C (374°F), 6.2 bar (90 psi); Post-cure: 6 hours at 255°C (437°F) Note 4: 8 Material: HTM556-CF0800 (6K)-375 g/m2-2x2 twill; Cure cycle: 6 hours at 190°C (374°F), 6.2 bar (90 psi); Post-cure: 6 hours at 255°C (437°F) Note 5: HTM556-CF0800 (6K)-375 g/m2-2x2 twill; Cure cycle: 6 hours at 190°C (374°F), 6.2 bar (90 psi); Post-cure: 6 hours at 240°C (464°F) Note 6: HTM556-CF1218 (6K)-375 g/m2-2x2 twill T800; Cure cycle: 6 hours at 190°C (374°F), 6.2 bar (90 psi); Post-cure: 6 hours at 240°C (464°F) Information provided by Cytec, subsequently acquired by Solvay.
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Physical Properties	Metric	English	Comments

Density	1.242 g/cc	0.04487 lb/in³	Cured
Storage Temperature	-18.0 °C	-0.400 °F

Mechanical Properties	Metric	English	Comments
Tensile Strength	787.4 MPa	114200 psi	0°, Note 4; ASTM D3039
	1000 MPa	145000 psi	0°, Note 3; ASTM D3039
	2249 MPa	326200 psi	0°, Note 2; ASTM D3039
	2536 MPa	367800 psi	0°, Note 1; ASTM D3039
Tensile Modulus	62.5 GPa	9070 ksi	0°, Note 4; ASTM D3039
	65.0 GPa	9430 ksi	0°, Note 3; ASTM D3039
	144 GPa	20900 ksi	0°, Note 2; ASTM D3039
	151 GPa	21900 ksi	0°, Note 1; ASTM D3039
Flexural Strength	872.2 MPa	126500 psi	0°, Note 4; ASTM D790
	1950 MPa	282800 psi	0°, Note 1; ASTM D790
	2550 MPa	370000 psi	0°, Note 2; ASTM D790
Flexural Modulus	20.3 GPa	2940 ksi	0°, Note 2; ASTM D790
	20.6 GPa	2990 ksi	0°, Note 1; ASTM D790
	49.5 GPa	7180 ksi	0°, Note 3; ASTM D790
Compressive Strength	90.0 MPa	13100 psi	0°, Note 3; ASTM D6641
	727 MPa	105000 psi	0°, Note 4; ASTM D6641
	788 MPa	114000 psi	0°, Note 6; ASTM D6641
	1622 MPa	235300 psi	0°, Note 1; ASTM D6641
	1800 MPa	261000 psi	0°, Note 2; ASTM D6641
Compressive Modulus	59.0 GPa	8560 ksi	0°, Note 4; ASTM D6641
	60.0 GPa	8700 ksi	0°, Note 3; ASTM D6641
	115 GPa	16700 ksi	0°, Note 2; ASTM D6641
	127 GPa	18400 ksi	0°, Note 1; ASTM D6641
Shear Strength	41.4 MPa @Thickness 6100 mm	6000 psi @Thickness 240 in	0° Interlaminar, Note 5; ASTM D2344
	43.4 MPa @Thickness 6100 mm	6300 psi @Thickness 240 in	0° Interlaminar, Note 6; ASTM D2344
	51.7 MPa @Thickness 5080 mm	7500 psi @Thickness 200 in	0° Interlaminar, Note 5; ASTM D2344
	54.5 MPa @Thickness 5080 mm	7900 psi @Thickness 200 in	0° Interlaminar, Note 6; ASTM D2344
	57.9 MPa @Thickness 4450 mm	8400 psi @Thickness 175 in	0° Interlaminar, Note 5; ASTM D2344
	60.0 MPa @Thickness 4450 mm	8700 psi @Thickness 175 in	0° Interlaminar, Note 6; ASTM D2344
	62.7 MPa @Thickness 610 mm	9100 psi @Thickness 24.0 in	0° Interlaminar, Note 6; ASTM D2344
	69.6 MPa @Thickness 5080 mm	10100 psi @Thickness 200 in	0° Interlaminar, Note 1; ASTM D2344
	69.6 MPa @Thickness 5080 mm	10100 psi @Thickness 200 in	0° Interlaminar, Note 2; ASTM D2344
	72.4 MPa @Thickness 610 mm	10500 psi @Thickness 24.0 in	0° Interlaminar, Note 5; ASTM D2344
	75.8 MPa @Thickness 610 mm	11000 psi @Thickness 24.0 in	0° Interlaminar, Note 3; ASTM D2344
	78.6 MPa @Thickness 610 mm	11400 psi @Thickness 24.0 in	0° Interlaminar, Note 4; ASTM D2344
	114 MPa @Thickness 610 mm	16600 psi @Thickness 24.0 in	0° Interlaminar, Note 1; ASTM D2344
	127 MPa @Thickness 610 mm	18400 psi @Thickness 24.0 in	0° Interlaminar, Note 2; ASTM D2344

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	250 °C	482 °F
Glass Transition Temp, Tg	190 °C	374 °F	DMA E' onset, 6 hrs at 190°C, 90 psi
	260 °C	500 °F	DMA E' onset, 6 hrs at 190°C, 90 psi + 6 hrs at 225°C
	270 °C	518 °F	DMA E' onset, 6 hrs at 190°C, 90 psi + 6 hrs at 240°C

Processing Properties	Metric	English	Comments
Shelf Life	12.0 Month	12.0 Month

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PCYTED137 / 180439

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