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Hexcel® Redux® 641K Modified epoxy film adhesive for bonding metallic and composite components

Category Polymer , Adhesive , Film , Thermoset , Epoxy , Epoxy Adhesive
Manufacturer Hexcel
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Hexcel® Redux® 641K Modified epoxy film adhesive for bonding metallic and composite components.pdf
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Material Notes:
Redux 641 is a high temperature modified epoxy film adhesive curing at 350°F. It is suitable for bonding metal to metal and for sandwich structures where operating temperatures are experienced up to 350°F for short periods, or 300°F for continuous operation. Redux 641 is a hot melt film which is free from solvents and consequently has a very low volatile content.Features: Cures in 1 hour at 350°F; Good hot lap shear performance up to 300°F; Good peel performance in sandwich structures at temperatures up to 300°F; Excellent metal-metal peel properties; Excellent drape and handleability; Very low volatile content.Applications: Metal to metal bonding; Sandwich constructions with a variety of skins and cores.
Mechanical Properties Metric English Comments
Tensile Strength, Yield 8.00 MPa

@Temperature 177 °C
1160 psi

@Temperature 350 °F
Flatwise Tensile
8.998 MPa

@Temperature 149 °C
1305 psi

@Temperature 300 °F
Flatwise Tensile
13.00 MPa

@Temperature 22.2 °C
1885 psi

@Temperature 72.0 °F
Flatwise Tensile
Shear Strength 14.0 MPa

@Temperature 177 °C
2030 psi

@Temperature 350 °F
Lap Shear
17.00 MPa

@Temperature 149 °C
2465 psi

@Temperature 300 °F
Lap Shear
30.0 MPa

@Temperature 127 °C
4350 psi

@Temperature 260 °F
Lap Shear
40.99 MPa

@Temperature -55.0 °C
5945 psi

@Temperature -67.0 °F
Lap Shear
44.0 MPa

@Temperature 22.2 °C
6380 psi

@Temperature 72.0 °F
Lap Shear
Peel Strength 7.06 kN/m

@Temperature 83.3 °C
40.3 pli

@Temperature 182 °F
Floating Roller Peel
7.85 kN/m

@Temperature 22.2 °C
44.8 pli

@Temperature 72.0 °F
Floating Roller Peel
Processing Properties Metric English Comments
Shelf Life 18.0 Month

@Temperature -17.8 °C
18.0 Month

@Temperature 0.000 °F
Descriptive Properties Value Comments
Areal Weight (psf) 0.08
Climbing Drum Peel (in-lb/3in) 73
72°F
Roll Width (in) 47
Standard Roll (ft2) 540
Support Knitted Polyester
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