Vespel® SP-1
DuPont™ SP-1 is an unfilled Vespel®. SP-1 is the most widely known and most popular because it provides superior wear and insulation properties as well as operating temperatures from cryogenic to 300°C. SP-1 also has low electrical conductivity. It possesses the highest elongation and purity of the entire SP line of materials.
- High service temperatures
- Low friction for smooth operation
- Long wear life
- Low creep, even at elevated temperatures
- Low wear on mating metal components
- Good thermal insulating properties
- Excellent dimensional stability
- Good chemical resistance
- A lightweight alternative to metal
- Excellent sealing characteristics
- Heat Shields
- Pivot bushings on unison ring
- Engine duct seals
- Bellcrank bushings
- Locking fasteners
- Splines