VESPEL® SP-211

VESPEL® SP‑211: low friction and controlled wear

VESPEL® SP‑211 is a high‑performance DuPont™ polyimide filled with a combination of graphite and PTFE, delivering very low friction and excellent wear resistance in dry‑running applications.

Key properties

• very low coefficient of friction
• excellent unlubricated wear resistance
• stable performance up to about 150 °C
• good creep resistance at moderate loads

Typical applications

• self‑lubricating bushings and bearings
• thrust washers
• sliding and guiding components
• aerospace, automotive and industrial systems

• Semi-finished product manufacturer : Dupont
• Raw material supplier : Dupont
• Minimum thermal resistance (in °C) : -273
• Maximum thermal resistance (in °C) : 550
• Mechanical resistance traction module (in MPa) : 44.8
• Mechanical resistance compression module (in MPa) : 2068
• Pressure-velocity limit (PV) : Medium
• Low friction and wear coefficient : Very Low
• Wear resistance : Good
• Electrical conductivity : Insulative
• Chemical resistance : Medium
• Polymer name : Polyimide
• Polymer abbreviation : PI
• Charge / Reinforcement : 15% graphite et 10% PTFE
• Mechanical resistance (in MPa) : Medium
• Continuous thermal resistance (in °C) : 290
• Mechanical resistance constraint compression (in MPa) : 102