Typical Properties of Krytox® General-Purpose Oils and Greases1
Oil Grades 100 101 102 103 104 105 (H-1) 106 107
GPL Standard Grease Grades 200 201 202 203 (H-1) 204 205 (H-1) 206 (H-1) 207
GPL Extreme Pressure Grease Grades 210 211 212 — 214 215 216 217
GPL Anticorrosion Grease Grades 220 221 222 223 (H-1) 224 225 (H-1) 226 (H-1) 227
ISO Grade of Oil2
5 7 15 32 68 150 220 460
Estimated Useful Range3
°C <–70–66 <–70–104 –63–132 –60–154 –51–179 –36–204 –36–260 –30–288
°F <–94–150 <–94–220 –81–270 –76–310 –60–355 –33–400 –33–500 –22–550
Oil Viscosity, cSt
20 °C (68 °F) 12.4 17.4 38 82 177 522 822 1535
40 °C (104 °F) 5.5 7.8 15 30 60 160 243 450
100 °C (212 °F) — 2 3 5 8.4 18 25 42
204 °C (400 °F) — — — — — 3.1 4.1 6
260 °C (500 °F) — — — — — — 2.4 3.3
Oil Viscosity Index — — 29 92 111 124 134 145
Oil Pour Point
°C <–70 <–70 <–63 –60 –51 –36 –36 –30
°F <–94 <–94 <–81 –76 –60 –33 –33 –22
Oil Density, g/mL
0 °C (32 °F) 1.87 1.89 1.91 1.92 1.93 1.94 1.95 1.95
100 °C (212 °F) 1.67 1.70 1.72 1.74 1.75 1.76 1.77 1.78
Maximum Oil Volatility, ASTM D2595
% in 22 hr
121 °C (250 °F) 90 75 35 7 3 1 <1 —
204 °C (400 °F) — — — — — 7 <3 <1
Oil Separation from Grease, ASTM D6184
wt loss, % in 30 hr
99 °C (210 °F) 18 9 7 6 5 5 4 4
204 °C (400 °F) — — — — — — 12 12
1
This table gives typical properties (not specifications) based on historical production performance. Viscosity may vary within ±10%. DuPont does not
make any express or implied warranty that these products will continue to have these typical properties.
2
Approximate
3
Based on pour point and where evaporation is approximately 10%.
H-1 incidental food contact approval has been given to products above that have H-1 after the product name.
PRODUCT INFORMATIONDuPont™ Krytox® GPL 100–107 oils are clear, colorless,
fluorinated synthetic oils that are nonreactive, nonflammable,
safe in chemical and oxygen service, and are long-lasting.
DuPont™ Krytox® is a perfluoropolyether (PFPE)—also called
perfluoroalkylether (PFAE) or perfluoropolyalkylether (PFPAE)—
with the following chemical structure:
F- (CF-CF2
-O)n-CF2
CF3
| where n = 10–60
CF3
The polymer chain is completely saturated and contains only
carbon, oxygen, and fluorine. On a weight basis, a typical Krytox®
oil contains 21.6% carbon, 9.4% oxygen, and 69.0% fluorine.
All standard grades of grease are thickened with
polytetrafluoroethylene (PTFE), whose formula is (CF2
-CF2
)
n
.
This special high efficiency thickener has a melting point of
325 °C (617 °F) and has low molecular weight and sub-micron
(0.2 m) particle size for higher performance in bearings.
Krytox® GPL 200–207 greases are white buttery greases with
all of the same properties as the Krytox® GPL 100–107 oils that
they are made from, but they are in grease form.
Krytox® GPL 210–217 EP greases are black greases that contain
molybdenum disulfide added as an extreme pressure additive for
highly loaded gears and bearings.
Krytox® GPL 220–227 anticorrosion greases are white
greases that contain sodium nitrite. These grades provide rust
protection at ambient temperatures, corrosion protection at high
temperatures, and antiwear protection.
The grease additives may alter the chemical resistance of
the grease.
The standard grease consistency is NLGI grade 2 penetration
(265–295). Softer or harder NLGI penetration grades can be
made by special order.
Special nonmelting XHT grades are available for applications that
are higher than the 325 °C (617 °F) melting point of the standard
PTFE thickener