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Hexcel® Redux® 840 One-part Foaming Epoxy Paste Adhesive

Category Polymer , Adhesive , 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® 840 One-part Foaming Epoxy Paste Adhesive.pdf
Price EMAIL US    sales@lookpolymers.com
Material Notes:
Redux® 840 is a black one-part, foaming, epoxy paste adhesive that is thixotropic.Features: Provides a shear-carrying connection across any discontinuities in bonded sandwich panels; Maximum service temperature of 80°C/176°F; Can cure at temperatures from 120°C to 175°C/248°F to 347°F; Suitable for application by spatula or extrusion; Very low volatile content.Applications: Bonding segments of honeycomb core; Bonding edges of honeycomb core to structural edge members in bonded sandwich panels; Panel section bonding.
Physical Properties Metric English Comments
Density 0.530 g/cc

@Temperature 22.0 °C
 0.0191 lb/in³

@Temperature 71.6 °F
 Foamed/Cured Density; Cure Cycle: 20 min @ 175°C/347°F
0.550 g/cc

@Temperature 22.0 °C
 0.0199 lb/in³

@Temperature 71.6 °F
 Foamed/Cured Density; Cure Cycle: 30 min @ 150°C/302°F
0.760 g/cc

@Temperature 22.0 °C
 0.0275 lb/in³

@Temperature 71.6 °F
 Foamed/Cured Density; Cure Cycle: 60 min @ 120°C/248°F
1.08 g/cc

@Temperature 22.0 °C
 0.0390 lb/in³

@Temperature 71.6 °F
 EN542
Mechanical Properties Metric English Comments
Compressive Yield Strength 11.0 MPa

@Temperature 22.0 °C
 1600 psi

@Temperature 71.6 °F
 Block Compression; Cure Cycle: 20 min @ 175°C/347°F; ASTM D695
12.0 MPa

@Temperature 22.0 °C
 1740 psi

@Temperature 71.6 °F
 Block Compression; Cure Cycle: 30 min @ 150°C/302°F; ASTM D695
31.0 MPa

@Temperature 22.0 °C
 4500 psi

@Temperature 71.6 °F
 Block Compression; Cure Cycle: 60 min @ 120°C/248°F; ASTM D695
Shear Strength 6.20 MPa

@Temperature 22.0 °C
 899 psi

@Temperature 71.6 °F
 Short Beam Shear; Dry; 60 min @ 120°C; DMS2180
6.30 MPa

@Temperature 22.0 °C
 914 psi

@Temperature 71.6 °F
 Short Beam Shear; Dry; 30 min @ 150°C; DMS2180
6.30 MPa

@Temperature 22.0 °C
 914 psi

@Temperature 71.6 °F
 Short Beam Shear; Dry; 20 min @ 175°C; DMS2180
6.70 MPa

@Temperature 22.0 °C
 972 psi

@Temperature 71.6 °F
 Double Lap Shear - 1000 hours @ 80°C/176°F, 100% RH; 30 min @ 150°C; Hexcel IS202
7.62 MPa

@Temperature 80.0 °C
 1110 psi

@Temperature 176 °F
 Tube Shear; Dry; 20 min @ 175°C; EN2667-2
9.05 MPa

@Temperature 80.0 °C
 1310 psi

@Temperature 176 °F
 Tube Shear; Dry; 30 min @ 150°C; EN2667-2
9.87 MPa

@Temperature 22.0 °C
 1430 psi

@Temperature 71.6 °F
 Double Lap Shear - 1000 hours @ 80°C/176°F, 100% RH; 20 min @ 175°C; Hexcel IS202
9.93 MPa

@Temperature 22.0 °C
 1440 psi

@Temperature 71.6 °F
 Double Lap Shear - 1000 hours @ 80°C/176°F, 100% RH; 60 min @ 120°C; Hexcel IS202
11.0 MPa

@Temperature 80.0 °C
 1600 psi

@Temperature 176 °F
 Double Lap Shear; Dry; 60 min @ 120°C; Hexcel IS202
11.1 MPa

@Temperature 80.0 °C
 1610 psi

@Temperature 176 °F
 Double Lap Shear; Dry; 20 min @ 175°C; Hexcel IS202
11.1 MPa

@Temperature 80.0 °C
 1610 psi

@Temperature 176 °F
 Tube Shear; Dry; 60 min @ 120°C; EN2667-2
11.4 MPa

@Temperature 80.0 °C
 1650 psi

@Temperature 176 °F
 Double Lap Shear; Dry; 30 min @ 150°C; Hexcel IS202
12.3 MPa

@Temperature 22.0 °C
 1780 psi

@Temperature 71.6 °F
 Tube Shear; Dry; 20 min @ 175°C; EN2667-2
13.2 MPa

@Temperature 22.0 °C
 1910 psi

@Temperature 71.6 °F
 Tube Shear; Dry; 60 min @ 120°C; EN2667-2
13.3 MPa

@Temperature 22.0 °C
 1930 psi

@Temperature 71.6 °F
 Double Lap Shear; Dry; 60 min @ 120°C; Hexcel IS202
13.6 MPa

@Temperature 22.0 °C
 1970 psi

@Temperature 71.6 °F
 Double Lap Shear; Dry; 20 min @ 175°C; Hexcel IS202
15.1 MPa

@Temperature -55.0 °C
 2190 psi

@Temperature -67.0 °F
 Tube Shear; Dry; 20 min @ 175°C; EN2667-2
15.5 MPa

@Temperature 22.0 °C
 2250 psi

@Temperature 71.6 °F
 Tube Shear; Dry; 30 min @ 150°C; EN2667-2
15.5 MPa

@Temperature 22.0 °C
 2250 psi

@Temperature 71.6 °F
 Double Lap Shear; Dry; 30 min @ 150°C; Hexcel IS202
18.5 MPa

@Temperature -55.0 °C
 2680 psi

@Temperature -67.0 °F
 Tube Shear; Dry; 30 min @ 150°C; EN2667-2
18.9 MPa

@Temperature -55.0 °C
 2740 psi

@Temperature -67.0 °F
 Tube Shear; Dry; 60 min @ 120°C; EN2667-2
Thermal Properties Metric English Comments
Glass Transition Temp, Tg 113 °C
235 °F
E' onset; Cure Cycle: 60 min @ 120°C/248°F; EN 6064
114 °C
237 °F
E' onset; Cure Cycle: 30 min @ 150°C/302°F; EN 6064
114 °C
237 °F
E' onset; Cure Cycle: 20 min @ 175°C/347°F; EN 6064
Processing Properties Metric English Comments
Cure Time 20.0 min

@Temperature 175 °C
 0.333 hour

@Temperature 347 °F
30.0 min

@Temperature 150 °C
 0.500 hour

@Temperature 302 °F
60.0 min

@Temperature 120 °C
 1.00 hour

@Temperature 248 °F
Descriptive Properties Value Comments
Color Black
Slump Properties (mm) 3
25°C; BMS5-28
50
52°C; BMS5-28
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