Vespel® (Polyimide)
Vespel® is the most recognized and highly used brand of Polyimide in the market. It is a high-performance material that exhibits unequaled wear resistance to temperatures over 600o F. Vespel® can also operate in cryogenic temperatures, has very good Strength and Dimensional Stability, and performs well at high PV levels.
Vespel® shapes can be produced by utilizing Isostatic Molding or Direct Forming. Vespel® formulations can also be filled with a variety of materials to enhance their performance.
What are the Benefits of Vespel®?
- Broad Temperature range
- Outstanding Wear Resistance
- Strength and toughness
- Good Chemical Resistance
- Thermal Stability
- Good Abrasion Resistance
What are the Typical Applications of Vespel®?
Bushings Seals
Retaining Rings Sprue Bushings
Impellers Thrust Washers
Valve Seats Poppets
Spools Insulators
Test Fixtures Nests
Wear Bands Locators
Guides Wear Pads
Common Formulations of Vespel®:
Vespel® SP-1 – Unfilled, High Purity and Dielectric Strength
Vespel® SP-21 -15% Graphite Reinforced – Basic Bearing Grade, improved wear
Vespel® SP-22 -40% Graphite Reinforced – Increased Rigidity, Higher Limiting PV
Vespel® SP-211– Graphite and PTFE Reinforced – Lower Coefficient of Friction, High PV
Vespel® SP-3 – 15% Molybdenum Disulphide Reinforced – enhanced wear resistance
330 W. Duarte Road
Monrovia, CA 91016
1.800.250.6516 | 
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