DuraClear Crystal 7 Barrier Fluid
DuraClear Crystal 7 combines exceptional lubricating properties with comprehensive chemical compatibility for optimum performance as a mechanical seal barrier fluid.
Features and Benefits
Strong chemistry enables strong performance. DuraClear Crystal 7 is a perfluoropolyether (PFPE) based fully synthetic oil. Comprised of fully bonded oxygen, fluorine and carbon atoms, this extremely stable molecule is equally extremely inert.
- Nontoxic
- Nonreactive
- Nonoxidizing
- Colorless
- Odorless
- Nonflammable
- Does not degrade with use or temperature
- Does not coke or crystallize
- Environmentally friendly
- Food grade
Compatible with all seal face materials
- Carbons
- Silicon Carbides
- Tungsten Carbides
DuraClear Crystal 7 is a Perfluoropolyether (PFPE) based oil which offers several benefits over ISO 7 grade CTFE fluids:
- Better compatibility with Lewis acids
- Better lubrication capability (lower seal face wear)
- More thermally stable
- No corrosive Chlorine in molecular chain
- Flatter viscosity curve vs temperature
Specification
NSF61
ISO grade of oil: 7
Viscosity ASTM D445
- 16 cSt at 20°C (68°F)
- 8 cSt at 40°C (104°F)
- 2 cSt at 100°C (212°F)
Pour Point:
Recommended process fluid temperature range: -60 to 204C / -76 to 400F
Barrier fluid operating range: -40 to 130C / -40 to 266F
Optimal barrier fluid operating range: 20 to 100C / 68 to 212F
Documents & Support
Related Literature
DuraClear Crystal 7 High Performance Synthetic Barrier Fluid Brochure
DuraClear Crystal 7 High Performance Synthetic Barrier Fluid Flyer
Saptora delivers advanced flow control solutions designed to enhance efficiency, reliability, and safety across industries. Our products and services help optimize performance and reduce operational costs for customers worldwide.
