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Hexcel® HexFlow® RTM 120/HY 2954 120°C Epoxy System for RTM Two Component System

Category Polymer , Thermoset , Epoxy , Epoxy Cure Resin
Manufacturer Hexcel
Trade Name HexFlow®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Hexcel® HexFlow® RTM 120/HY 2954 120°C Epoxy System for RTM Two Component System.pdf
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Material Notes:
RTM 120/HY2954 is a two component system, developed for the manufacture of high performance Aerospace and Industrial composite parts using the Advanced Resin Transfer Moulding Process.
Physical Properties Metric English Comments
Density 0.940 - 0.950 g/cc

@Temperature 25.0 °C
0.0340 - 0.0343 lb/in³

@Temperature 77.0 °F
HY2954 cycloaliphatic amine hardener; ISO 1675
1.10 - 1.20 g/cc

@Temperature 25.0 °C
0.0397 - 0.0434 lb/in³

@Temperature 77.0 °F
RTM 120 bisphenol epoxy resin containing reactive diluent; ISO 1675
Viscosity 70 - 120 cP
70 - 120 cP
HY2954 cycloaliphatic amine hardener; DIN 53015
100 - 140 cP
100 - 140 cP
RTM 120 bisphenol epoxy resin containing reactive diluent; DIN 53015
>= 100 cP

@Temperature 60.0 °C
>= 100 cP

@Temperature 140 °F
Initial Mix Viscosity (Hoeppler)
200 cP

@Temperature 40.0 °C
200 cP

@Temperature 104 °F
Initial Mix Viscosity (Hoeppler)
500 - 700 cP

@Temperature 25.0 °C
500 - 700 cP

@Temperature 77.0 °F
Initial Mix Viscosity (Hoeppler)
Mechanical Properties Metric English Comments
Tensile Strength, Yield 71.0 - 77.0 MPa
10300 - 11200 psi
Cure: 1h/80°C/140°C; ISO R 527-1966
822 MPa
119000 psi
Tensile Warp, Dry/RT; Pr EN 2561
829 MPa

@Temperature 80.0 °C
120000 psi

@Temperature 176 °F
Tensile Warp, Wet; Pr EN 2561
Elongation at Break 4.5 - 5.5 %
4.5 - 5.5 %
At rupture; ISO R 527-1966
Tensile Modulus 66.0 GPa
9570 ksi
Tensile Warp, Dry/RT; Pr EN 2561
57.0 GPa

@Temperature 80.0 °C
8270 ksi

@Temperature 176 °F
Tensile Warp, Wet; Pr EN 2561
Compressive Yield Strength 648 MPa
94000 psi
Compression Warp, Dry/RT; Pr EN 2850
689 MPa
99900 psi
Compression Weft, Dry/RT; Pr EN 2850
401 MPa

@Temperature 80.0 °C
58200 psi

@Temperature 176 °F
Compression Warp, Wet; Pr EN 2850
475 MPa

@Temperature 80.0 °C
68900 psi

@Temperature 176 °F
Compression Weft, Wet; Pr EN 2850
Compressive Modulus 61.0 GPa
8850 ksi
Compression Warp, Dry/RT; Pr EN 2850
Fracture Toughness 0.700 MPa-m½
0.637 ksi-in½
PM 258-0/90
Shear Strength 68.0 MPa
9860 psi
I.L.S. Warp, Dry/RT; Pr EN 2563
51.0 MPa

@Temperature 80.0 °C
7400 psi

@Temperature 176 °F
I.L.S. Warp, Wet; Pr EN 2563
Thermal Properties Metric English Comments
Glass Transition Temp, Tg 26.7 - 30.6 °C
80.0 - 87.0 °F
Cure: 4h/80°C; Post cure: None
50.6 - 54.4 °C
123 - 130 °F
Cure: 1 h/80°C; Post cure: 4 h/120°C
57.2 - 61.1 °C
135 - 142 °F
Cure: 20 min./120°C; Post cure: 4 h/145°C
57.8 - 61.7 °C
136 - 143 °F
Cure: 1 h/80°C; Post cure: 4 h/160°C
Flash Point >= 175 °C
>= 347 °F
HY2954 cycloaliphatic amine hardener
>= 185 °C
>= 365 °F
RTM 120 bisphenol epoxy resin containing reactive diluent
Optical Properties Metric English Comments
Gardner Color Number <= 2.0
<= 2.0
RTM 120 bisphenol epoxy resin containing reactive diluent
<= 3.0
<= 3.0
HY2954 cycloaliphatic amine hardener
Processing Properties Metric English Comments
Gel Time 3.00 - 4.00 min

@Temperature 140 °C
3.00 - 4.00 min

@Temperature 284 °F
7.00 - 9.00 min

@Temperature 120 °C
7.00 - 9.00 min

@Temperature 248 °F
10.0 - 12.0 min

@Temperature 110 °C
10.0 - 12.0 min

@Temperature 230 °F
16.0 - 18.0 min

@Temperature 100 °C
16.0 - 18.0 min

@Temperature 212 °F
35.0 - 45.0 min

@Temperature 80.0 °C
35.0 - 45.0 min

@Temperature 176 °F
90.0 - 120 min

@Temperature 60.0 °C
90.0 - 120 min

@Temperature 140 °F
Descriptive Properties Value Comments
Color Clear liquid
HY2954 cycloaliphatic amine hardener; As-supplied form
Clear, Pale yellow liquid
RTM 120 bisphenol epoxy resin containing reactive diluent; As-supplied form
Epoxy Content (Eq/kg) 5.7-6
ISO 3001
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