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	Original Value	Comments

Density	1.242 g/cc	Cured
Storage Temperature	-18.0 °C

Mechanical Properties	Original Value	Comments
Tensile Strength	114200 psi	0°, Note 4; ASTM D3039
	145000 psi	0°, Note 3; ASTM D3039
	326200 psi	0°, Note 2; ASTM D3039
	367800 psi	0°, Note 1; ASTM D3039
Tensile Modulus	62.5 GPa	0°, Note 4; ASTM D3039
	65.0 GPa	0°, Note 3; ASTM D3039
	144 GPa	0°, Note 2; ASTM D3039
	151 GPa	0°, Note 1; ASTM D3039
Flexural Strength	126500 psi	0°, Note 4; ASTM D790
	282800 psi	0°, Note 1; ASTM D790
	370000 psi	0°, Note 2; ASTM D790
Flexural Modulus	20.3 GPa	0°, Note 2; ASTM D790
	20.6 GPa	0°, Note 1; ASTM D790
	49.5 GPa	0°, Note 3; ASTM D790
Compressive Strength	90.0 MPa	0°, Note 3; ASTM D6641
	727 MPa	0°, Note 4; ASTM D6641
	788 MPa	0°, Note 6; ASTM D6641
	1622 MPa	0°, Note 1; ASTM D6641
	1800 MPa	0°, Note 2; ASTM D6641
Compressive Modulus	59000 MPa	0°, Note 4; ASTM D6641
	60000 MPa	0°, Note 3; ASTM D6641
	115000 MPa	0°, Note 2; ASTM D6641
	127000 MPa	0°, Note 1; ASTM D6641
Shear Strength	6000 psi @Thickness 6100 mm	0° Interlaminar, Note 5; ASTM D2344
	6300 psi @Thickness 6100 mm	0° Interlaminar, Note 6; ASTM D2344
	7500 psi @Thickness 5080 mm	0° Interlaminar, Note 5; ASTM D2344
	7900 psi @Thickness 5080 mm	0° Interlaminar, Note 6; ASTM D2344
	8400 psi @Thickness 4450 mm	0° Interlaminar, Note 5; ASTM D2344
	8700 psi @Thickness 4450 mm	0° Interlaminar, Note 6; ASTM D2344
	9100 psi @Thickness 610 mm	0° Interlaminar, Note 6; ASTM D2344
	10100 psi @Thickness 5080 mm	0° Interlaminar, Note 1; ASTM D2344
	10100 psi @Thickness 5080 mm	0° Interlaminar, Note 2; ASTM D2344
	10500 psi @Thickness 610 mm	0° Interlaminar, Note 5; ASTM D2344
	11000 psi @Thickness 610 mm	0° Interlaminar, Note 3; ASTM D2344
	11400 psi @Thickness 610 mm	0° Interlaminar, Note 4; ASTM D2344
	16600 psi @Thickness 610 mm	0° Interlaminar, Note 1; ASTM D2344
	18400 psi @Thickness 610 mm	0° Interlaminar, Note 2; ASTM D2344

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	250 °C
Glass Transition Temp, Tg	190 °C	DMA E' onset, 6 hrs at 190°C, 90 psi
	260 °C	DMA E' onset, 6 hrs at 190°C, 90 psi + 6 hrs at 225°C
	270 °C	DMA E' onset, 6 hrs at 190°C, 90 psi + 6 hrs at 240°C

Processing Properties	Original Value	Comments
Shelf Life	12.0 Month

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PCYTED137 / 180439

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