Balls: Torlon® (Technical name for Torlon® is polyamide-imide)  


Size Range





Additional Services:  Special sizes upon request.

Torlon® polyamide-imide (PAI) is the highest strength and stiffness material of all thermoplastics with heat properties up to 525°F. It has outstanding resistance to wear, creep, and chemicals including strong acids and most organics and is ideally suited for severe service environments. The natural color of the raw material is olive. This material, in its natural state, is heavier than water, meaning Torlon® balls sink in water. The ball blanks are injection molded or turned from extruded rod.

Approximate Values (Torlon® PAI)

Chemical Resistance

Specific Gravity (grams/cc)

Hardness (Rockwell)

FDA Grade Available

Maximum Operating Temperature

Inert to most chemicals


M 120


525 Degrees Fahrenheit


Please note that the material information provided on our website is for informational purposes only. The properties listed per product type are typical and can vary based on suppliers of raw materials and customer specific needs. Please contact customer service for verification prior to ordering. Price and delivery may be subject to change based on specific requirements.

Scroll to Top