Hexcel® Redux® HP655 Toughened BMI film Adhesive

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Hexcel® Redux® HP655 Toughened BMI film Adhesive
Categories:	Polymer; Adhesive; Thermoset; Bismaleimide (BMI)
Material Notes:	Redux® HP655 is a toughened BMI structural adhesive designed for metal to metal, composite to composite, and honeycomb sandwich bonding for both co-cured and precured composite skins. Redux® HP655 combines high fracture toughness and high shear with good peel strengths. Recommended service temperature is up to 350°F wet and 460°F dry. Redux® HP655 was developed to be compatible with Hexcel's entire BMI prepreg product line. Features: Good co-cure potential with Hexcel's BMI prepreg range; Excellent hot lap shear performance; Good fracture toughness; Low volatile content and low out-gassing properties; Available with or without a woven glass carrier. Applications: Metal to metal bonding; Composite to composite bonding; Sandwich constructions.
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Mechanical Properties	Metric	English	Comments

Tensile Strength, Yield	8.07 MPa	1170 psi	Neat Resin, RT
	5.00 MPa @Temperature 21.1 °C	725 psi @Temperature 70.0 °F	Flatwise Tensile; After 500 hrs at 400°F (Weight loss = 0.75%); Composite Honeycomb Sandwich Performance; ASTM C 297
	5.10 MPa @Temperature -55.0 °C	740 psi @Temperature -67.0 °F	Flatwise Tensile; 2.52" Cell; Aluminum Honeycomb Sandwich Performance; ASTM C 297
	5.10 MPa @Temperature 21.1 °C	740 psi @Temperature 70.0 °F	Flatwise Tensile; 2.52" Cell; Aluminum Honeycomb Sandwich Performance; ASTM C 297
	>= 5.17 MPa @Temperature 204 °C	>= 750 psi @Temperature 400 °F	Flatwise Tensile; After 500 hrs at 400°F (Weight loss = 0.75%); Composite Honeycomb Sandwich Performance; ASTM C 297
	5.38 MPa @Temperature 204 °C	780 psi @Temperature 400 °F	Flatwise Tensile; 2.52" Cell; Aluminum Honeycomb Sandwich Performance; ASTM C 297
	6.21 MPa @Temperature 21.1 °C	900 psi @Temperature 70.0 °F	Flatwise Tensile; 15 Cycles, Thermal Cycling
	6.27 MPa @Temperature 21.1 °C	910 psi @Temperature 70.0 °F	Flatwise Tensile; 60 Cycles, Thermal Cycling
	6.55 MPa @Temperature 21.1 °C	950 psi @Temperature 70.0 °F	Flatwise Tensile; Control; Thermal Cycling
	6.96 MPa @Temperature 204 °C	1010 psi @Temperature 400 °F	Flatwise Tensile; Composite Honeycomb Sandwich Performance; ASTM C 297
	7.03 MPa @Temperature 166 °C	1020 psi @Temperature 330 °F	Flatwise Tensile; 60 Cycles, Thermal Cycling
	7.10 MPa @Temperature 166 °C	1030 psi @Temperature 330 °F	Flatwise Tensile; 15 Cycles, Thermal Cycling
	7.24 MPa @Temperature 21.1 °C	1050 psi @Temperature 70.0 °F	Flatwise Tensile; Composite Honeycomb Sandwich Performance; ASTM C 297
	8.27 MPa @Temperature 166 °C	1200 psi @Temperature 330 °F	Flatwise Tensile; Control; Thermal Cycling
	8.55 MPa @Temperature 21.1 °C	1240 psi @Temperature 70.0 °F	Flatwise Tensile; 1.26" Cell; Aluminum Honeycomb Sandwich Performance; ASTM C 297
Elongation at Break	2.39 %	2.39 %	Neat Resin
Tensile Modulus	3.62 GPa	525 ksi	Neat Resin
Shear Strength	17.2 MPa @Temperature -55.0 °C	2500 psi @Temperature -67.0 °F	Tensile Lap Shear; Aluminum No Primer; ASTM D1002
	19.3 MPa @Temperature 21.1 °C	2800 psi @Temperature 70.0 °F	Tensile Lap Shear; Aluminum No Primer; ASTM D1002
	19.3 MPa @Temperature 21.1 °C	2800 psi @Temperature 70.0 °F	Tensile Lap Shear; Composite; ASTM D1002
	23.8 MPa @Temperature -55.0 °C	3450 psi @Temperature -67.0 °F	Tensile Lap Shear; Aluminum Primer HP655P; ASTM D1002
	24.8 MPa @Temperature 204 °C	3600 psi @Temperature 400 °F	Tensile Lap Shear; Aluminum No Primer; ASTM D1002
	24.8 MPa @Temperature 21.1 °C	3600 psi @Temperature 70.0 °F	Tensile Lap Shear; Titanium with HP655P; ASTM D1002
	25.6 MPa @Temperature 21.1 °C	3720 psi @Temperature 70.0 °F	Tensile Lap Shear; Aluminum Primer HP655P; ASTM D1002
	26.9 MPa @Temperature 204 °C	3900 psi @Temperature 400 °F	Tensile Lap Shear; Composite; ASTM D1002
	27.6 MPa @Temperature 204 °C	4000 psi @Temperature 400 °F	Tensile Lap Shear; Aluminum Primer HP655P; ASTM D1002
	27.6 MPa @Temperature 204 °C	4000 psi @Temperature 400 °F	Tensile Lap Shear; Titanium with HP655P; ASTM D1002

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	238 °C	460 °F	Dry
Glass Transition Temp, Tg	216 °C	420 °F	Wet
	279 °C	535 °F	Dry

Descriptive Properties
Areal Weight (psf)	0.04-0.12
Climbing Drum Peel (in-lb/3in)	21		350°F; Wet
	25		70°F; Dry
	31		70°F; Wet
Roll Width (in)	39
Standard Roll (ft2)	540

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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