Performance Comparison of Selected Engineering Thermoplastics

Thermoplastic	Benefits	Disadvantages	Potential Applications
Acrylonitrile Butadiene Styrene (ABS)	Dimensional Stability Low Cost Low and High Gloss Finish	Notch Sensitivity Strength	Lift Handles Screen Corners Lift Rail End Caps
Acetal	Toughness Lubricity	Notch Sensitivity UV Resistance	Rollers Curtainwall Glazing Clips
Nylon	Toughness Lubricity Colorability Cost Stress Resistance Chemical Resistance	Notch Sensitivity UV Resistance	Tilt Latches Lift Handles Vent Stops Muntin Clips
Polyurethane (Long glass fill)	Toughness Structural Strength Abrasion Resistance Dimensional Stability Chemical Resistance	Design Constaints Cost	Pivot Bars Balance Shoe Cams Snubbers
Polycarbonate	Toughness Structural Strength Clarity Dimensional Stability UV Stability Colorability	Notch Sensitive Chemical Sensitivity Cost	Vent Stops Casement Ramp Clips