Description
PFPE Masking Oil TOPDA B-40 has a narrow molecular distribution, low surface tension and low evaporation loss under vacuum conditions. It has good viscosity temperature, high dielectric constant, good insulation and other performance characteristics. So it can work as an ideal masking oil for vacuum coating.
Equivalent Product: Fomblin Y04
Features
- EU REACH Registration
- Narrow Molecular Distribution
- Excellent high temperature stability
- Good low temperature properties
- Unmatched chemical and solvent resistance
- Low evaporative loss
- High viscosity index
- 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 | Units | B-40 |
|---|---|---|
| Equivalent Product | Y04 | |
| Working Temperature Range | °C | -63~132 |
| Average molecular weight | a.m.u | 1500 |
| Kinematic Viscosity at 20℃ | cSt | 38 |
| at 40℃ | cSt | 15 |
| at 100 °C | cSt | 3 |
| Viscosity index | 29 | |
| Pour Point | °C | -63 |
| Evaporation weight loss at 120 °C, 22 hr | % | 35 |
| at 204 °C, 22 hr | % | – |
| Surface tension at 20 °C | dyne/cm | 20 |
| Density at 0 °C | g/cm3 | 1.91 |
Applications
PFPE Oil TOPDA B-40 is widely used as a base oil for grease or a masking oil for vacuum coating.
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.
