Related Clues:

• Nonstick cookware coating
• Left working and working -- it won't stick
• Avoiding blame when our language teaching gets no backing
• Polytetrafluoroethylene, familiarly
• Non-stick stuff
• Discordant note about fine liberal that's untouchable
• Nonstick coating trademark
• Covering bottom of utensil, often slippery — is it?
• Untouchable broken left leg?
• The financial ombudsman limits this material
• It's coated on surface to prevent sticking
• Engineer left broadcasting, managing to dodge scandal?
• 1938 Dupont discovery
• Material X subsumes fellow, oddly
• Plastic felt over bottom of pan