Description
PFPE Oil TOPDA S Grades are perfluorinated polyether inert fluids. They are especially developed for the lubrication in the conditions where high temperature and ultra-high vacuum exists.
Features
- Excellent resistance to high temperature and ultra-high vacuum
- High viscosity index
- Extreamly low evaporative loss
- Excellent chemical & solvent resistance
- Good lubricity
- Excellent compatibility with metals, plastics, elastomers
- Low surface tension
- Good radiation stability
- No flash or fire point
- Non-toxic
- Environmental friendly
Technical Index
Properties Unit S-2500 S-3000 S-3500
Appearance Clear Liquid
Kinetic Viscosity
at 20℃cSt 2500 3000 3500
at 40℃ cSt 740 860 995
at 100℃ cSt 64 70 84
Density at 0°C g/cm31.95 1.96 1.97
Viscosity index 158 161 166
Evaporation weight loss at 204 °C, 22 hr
% ＜0.75 ＜0.1 ＜0.1
Surface tension at 20°C dyn/cm 22 22 22
Pour Point ℃ -24 -21 -18
Working Temperature ℃ -24~305 -21~315 -18~325
Application
PFPE Oil Topda S Grades are ideal for use in high temperature and ultra-high vacuum environments as lubricating Oils.
Packing
N.W.1KG plastic bottle, N.W.5KG plastic pails, N.W.50KG plastic drums or other packing according to the clients’ request.
Transportation & Storage
1. Transported as non-dangerous cargo.
2. Stored in a cool, dark, dry and ventilated place.
3. Keep the container tightly closed.
Shelf life
Shelf life: 3 years.
