Solvay FM® 450-1 BMI Film Adhesive

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Solvay FM® 450-1 BMI Film Adhesive
Categories:	Polymer; Adhesive; Thermoset; Bismaleimide (BMI)
Material Notes:	FM® 450-1 film adhesive is a high performance BMI adhesive for bonding both composite and metallic structures. This adhesive provides a unique combination of high Tg, toughness and high temperature shear properties. It is designed for co-cure, co-bond or secondary bonding applications. FM 450-1 has excellent resistance to pre-bond and post-bond humidity and has good retention of properties up to 232°C (450°F). FM 450-1 film adhesive delivers excellent tack and drape and has a minimum shop life of 30 days at 24°C (75°F). FM 450-1 is compatible with Cytec’s industry leading CYCOM® 5250-4 BMI prepreg and our new CYCOM® 5261 toughened BMI prepreg. FM 450-1 adhesive film can be supplied as a supported (woven glass or glass mat carrier) or unsupported film at various weights and thicknesses. This adhesive film is suitable for bonding of metallic or composite monolithic or sandwich structures. The unsupported adhesive film can be easily reticulated onto perforated skins or honeycomb for acoustic applications. FM 450-1 adhesive film can be cured at 190°C (375°F) followed by a freestanding post cure at 227°C (440°F) or by following the BMI prepreg cure cycle. Features & Benefits: Service temperature of 232°C (450°F) dry and 204°C (400°F) wet Suitable for bonding composite monolithic and sandwich structures (good filleting properties) Excellent fracture toughness Excellent resistance to both pre-bond and post-bond humidity Epoxy-like processing with more than 30 days of shop life at 24°C (75°F) Good tack and handling properties Reticulation capability for acoustic applications Applications: Co-cure, co-bond and secondary bonding of both composite and metallic structures Note 1: Co-bonded Wide Area Lap Shear with CYCOM 2561 Pre-cured Substrates Note 2: Secondary Bonded Wide Area Lap Shear with CYCOM 2561 Tape Precured Substrates Information provided by Cytec, subsequently acquired by Solvay.
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Physical Properties	Metric	English	Comments

Density	1.25 g/cc	0.0452 lb/in³
Storage Temperature	<= -18.0 °C	<= -0.400 °F

Mechanical Properties	Metric	English	Comments
Tensile Strength	5.10 MPa @Temperature 204 °C	740 psi @Temperature 399 °F	Flatwise, Glass honeycomb/CYCOM 5261 skins
	5.38 MPa @Temperature 163 °C	780 psi @Temperature 325 °F	Flatwise, Glass honeycomb/CYCOM 5261 skins, wet
	5.45 MPa @Temperature 204 °C	790 psi @Temperature 399 °F	Flatwise, Metal honeycomb/metal skins, FM 450-1 S 0.08 psf; ASTM C297
	5.86 MPa @Temperature 163 °C	850 psi @Temperature 325 °F	Flatwise, Glass honeycomb/CYCOM 5261 skins
	6.21 MPa @Temperature -55.0 °C	900 psi @Temperature -67.0 °F	Flatwise, Glass honeycomb/CYCOM 5261 skins
	6.31 MPa @Temperature 204 °C	915 psi @Temperature 399 °F	Flatwise, Metal honeycomb/metal skins, FM 450-1 U 0.06 psf; ASTM C297
	6.89 MPa @Temperature 24.0 °C	1000 psi @Temperature 75.2 °F	Flatwise, Glass honeycomb/CYCOM 5261 skins
	7.412 MPa @Temperature 149 °C	1075 psi @Temperature 300 °F	Flatwise, Metal honeycomb/metal skins, FM 450-1 S 0.08 psf; ASTM C297
	8.239 MPa @Temperature 149 °C	1195 psi @Temperature 300 °F	Flatwise, Metal honeycomb/metal skins, FM 450-1 U 0.06 psf; ASTM C297
	8.584 MPa @Temperature 24.0 °C	1245 psi @Temperature 75.2 °F	Flatwise, Metal honeycomb/metal skins, FM 450-1 U 0.06 psf; ASTM C297
	8.83 MPa @Temperature 24.0 °C	1280 psi @Temperature 75.2 °F	Flatwise, Metal honeycomb/metal skins, FM 450-1 S 0.08 psf; ASTM C297
Shear Strength	23.27 MPa @Temperature 24.0 °C	3375 psi @Temperature 75.2 °F	Lap with Aluminum Substrates
	26.9 MPa @Temperature 204 °C	3900 psi @Temperature 399 °F	Lap with Aluminum Substrates
	29.0 MPa @Temperature 149 °C	4200 psi @Temperature 300 °F	Lap with Aluminum Substrates
	31.0 MPa @Temperature 149 °C	4500 psi @Temperature 300 °F	Lap, Note 2, after 2 weeks Exposure at 71°C and 100% RH
	34.5 MPa @Temperature 149 °C	5000 psi @Temperature 300 °F	Lap, Note 1, after 2 weeks Exposure at 71°C and 100% RH
	35.9 MPa @Temperature -55.0 °C	5200 psi @Temperature -67.0 °F	Lap, Note 2
	37.9 MPa @Temperature 24.0 °C	5500 psi @Temperature 75.2 °F	Lap, Note 2
	37.9 MPa @Temperature 149 °C	5500 psi @Temperature 300 °F	Lap, Note 1
	38.7 MPa @Temperature 149 °C	5610 psi @Temperature 300 °F	Lap, Note 2
	43.4 MPa @Temperature 24.0 °C	6300 psi @Temperature 75.2 °F	Lap, Note 1

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	204 °C	399 °F	wet
	232 °C	450 °F	dry

Processing Properties	Metric	English	Comments
Shelf Life	12.0 Month	12.0 Month

Descriptive Properties
Color	Yellow
Honeycomb Sandwich Peel	134 Nm/m		FM 450-1 S 0.08 psf
	54 Nm/m		FM 450-1 U 0.06 psf

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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PCYTED039 / 180341

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