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ExxonMobil Exxon Hyjet IV-A
| Category | Fluid , Lubricant |
| Manufacturer | |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | ExxonMobil Exxon Hyjet IV-A.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Exxon HyJet IV-Aplus is a fire-resistant phosphate ester hydraulic fluid designed for use in commercial aircraft. It is the best-performing Type IV fluid and offers to a great extent many of the performance capabilities of Type V fluids, including high temperature stability, low density, and rust protection. It is superior to all other Type IV fluids in these respects. Exxon HyJet IV-Aplus meets the specifications of all major aircraft manufacturers and SAE AS1241.Exxon HyJet IV-Aplus fire-resistant aviation hydraulic fluid is used in commercial aircraft hydraulic systems where phosphate hydraulic fluids are recommended. Exxon HyJet IV-Aplus meets or exceeds the following industry and builder specifications. It is approved against the aircraft manufacturer requirements and is included in their Qualified Products Lists.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 0.996 g/cc | 0.996 g/cc | 25°C; ASTM D4052 |
| Density | 1.001 g/cc @Temperature 15.6 °C |
0.03616 lb/in³ @Temperature 60.1 °F |
ASTM D4052 |
| Viscosity Measurement | 320 | 320 | Index; ASTM D2270 |
| Viscosity Measure | 1320 cSt @Temperature -54.0 °C |
1320 cSt @Temperature -65.2 °F |
Kinematic Viscosity; ASTM D445 |
| Kinematic Viscosity at 40°C (104°F) | 10.55 cSt | 10.55 cSt | ASTM D445 |
| Kinematic Viscosity at 100°C (212°F) | 3.57 cSt | 3.57 cSt | ASTM D445 |
| Evaporation Loss | 15 % | 15 % | 6 hr @ 71°C |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Bulk Modulus | 1.448 GPa | 210.0 ksi | Isothermal secant at 100°F/3000psi |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 860 µm/m-°C @Temperature 25.0 - 100 °C |
478 µin/in-°F @Temperature 77.0 - 212 °F |
|
| Specific Heat Capacity | 1.72 J/g-°C | 0.410 BTU/lb-°F | |
| Thermal Conductivity | 0.138 W/m-K @Temperature 40.0 °C |
0.957 BTU-in/hr-ft²-°F @Temperature 104 °F |
|
| Pour Point | <= -62.0 °C | <= -79.6 °F | ASTM D97 |
| Flammability Test | 185 | 185 | Fire Point [°C] |
| >= 427 | >= 427 | Auto Ignition [°C] | |
| Flash Point | 174 °C | 345 °F | ASTM D92 |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Calcium, Ca | 0.011 % | 0.011 % | |
| Chlorine, Cl | <= 0.00070 % | <= 0.00070 % | |
| H2O | 0.10 % | 0.10 % | |
| Potassium, K | 0.0037 % | 0.0037 % | |
| Sodium, Na | 0.00 % | 0.00 % | |
| Sulfur, S | 0.022 % | 0.022 % |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Electrical Resistivity | 71.4 ohm-cm @Temperature 20.0 °C |
71.4 ohm-cm @Temperature 68.0 °F |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Total Acid Number | 0.040 | 0.040 | mgKOH/g; ASTM D974 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Foam Sequence I, ASTM D1137 | 0/0 | |
| Foam Sequence II, ASTM D893 | 0/0 | |
| Foam Sequence III, ASTM D893 | 0/0 | |
| Particle Count, NAS 1638 Class | 4 | |
| Sonic Shear Stability, KV change % | 22 | @ 40°C |
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