Vacuum Greases Properties Table
Below is the vacuum greases properties table for Apiezon hydrocarbon greases:
| Typical Property | AP101 | AP100 | H | L | M | N | T | |
|---|---|---|---|---|---|---|---|---|
| Main areas of application | General | Lubricating | High Temp | High Vacuum | General Vacuum | Cryogenic | Medium Temp | |
| Typical working temperature range | °C °F |
-40 - 180 -40 - 365 |
10 - 30 50 - 86 |
-10 - 240 14 - 464 |
10 - 30 50 - 86 |
10 - 30 50 - 86 |
-269 - 30 -452 - 86 |
10 - 120 50 - 248 |
| Dropping point - ASTM.D 566 | °C °F |
>200 >392 |
42 - 52 108 - 126 |
doesn't melt | 42 - 52 108 - 126 |
40 - 60 104 - 140 |
42 - 52 108 - 126 |
112 - 137 233 - 278 |
| Vapour pressure @ 20°C / 68°F, Torr |
<1.0 x 10-5 | 7.0 x 10-11 | 1.7 x 10-9 | 7.0 x 10-11 | 1.7 x 10-9 | 6.0 x 10-10 | 4.6 x 10-9 | |
| Relative density @ 20°C / 68°F |
0.981 | 1.042 | 0.918 | 0.896 | 0.894 | 0.911 | 0.912 | |
| Resistant to radiation | *N/R | *N/R | *N/R | Yes | Yes | *N/R | *N/R | |
|
Lubricity 4 Ball Test |
450 | 450 | 250 | 150 | 140 | 150 | N/A | |
|
Outgassing characteristics ASTM.E 595 |
TML CVCM |
N/A N/A |
<1% <0.1% |
N/A N/A |
<1% <0.1% |
N/A N/A |
<1% <0.1% |
N/A N/A |
| Viscosity of molten grease, cSt | @ 50°C/122°F @ 100°C/212°F |
N/A N/A |
N/A N/A |
N/A N/A |
766 62.3 |
413 29.8 |
N/A N/A |
N/A N/A |
|
Coefficient of expansion |
0.00066 | N/A | N/A | 0.00076 | 0.00075 | 0.00072 | 0.00073 | |
| Thermal conductivity, W/m °C | @ 20°C @ -269°C |
N/A N/A |
N/A N/A |
0.216 N/A |
0.194 N/A |
0.194 N/A |
0.194 0.095 |
N/A N/A |
| Specific heat @ 25°C, J/g |
N/A | N/A | 1.7 | N/A | N/A | N/A | N/A | |
| Electrical strength, V/mil (0.001") | N/A | N/A | N/A | 730 | 850 | 820 | 730 | |
| Volume resistivity, Ω cm | N/A | N/A | N/A | 1.2 x 1016 | 2.6 x 1016 | 2.0 x 1016 | 2.3 x 1012 | |
| Permittivity | N/A | N/A | N/A | 2.3 | 2.1 | 2.3 | 2.3 | |
| Loss tangent | N/A | N/A | N/A | <0.0001 | <0.0001 | <0.0001 | <0.0001 | |
| Surface breakdown at flash over, kV | N/A | N/A | N/A | 24 | 28 | 27 | 24 | |
*N/R – Not Recommended
All properties quoted in this table are typical values and do not constitute a specification.
For the typical properties of our other products please click the relevant link below –
Properties of Apiezon PFPE 501 grease
To find out more about the Apiezon family of silicone-free high vacuum greases manufactured by M&I Materials Ltd, please contact our team of experts via our helpline or online.
Do You Have A Question Regarding Apiezon Products?
Please get in contact with us if you have any questions regarding our greases, waxes, compounds and oils.