Proprietary high molecular weight PMDA Polyimide polymer, this unique material is THE best choice where higher temperatures are encountered, where standard PEEK or PAI rollers soften in service - with the added benefit of improved machinability!
Unit of Measure



N/A Ryertex®

Material Type

N/A High Performance Materials


N/A Nylon


N/A Forming


Specific Gravity

N/A 1.34 g/cm³

Water Absorption at 24 Hours

N/A 0.62 %

Water Absorption (Saturation)

N/A 1.30 %

Tensile Strength

N/A 17,500 psi

Tensile Modulus

N/A 590,000 psi

Tensile Elongation

N/A 12.0 %

Flexural Strength

N/A 23,500 psi

Flexural Modulus

N/A 580,000 psi

Izod Impact Notched

N/A 0.63 ft·lb/in

Comprehensive Strength

N/A 39,000 psi

Hardness Shore D

N/A 90

Rockwell Hardness

N/A R120

Heat Deflection Temperature (HDT) at 264 Pound per Square Inch (psi)

N/A 575 ºF

Coefficient of Linear Thermal Expansion (CLTE)

N/A 2.8 10-5 in/in·ºF

Continuous Use Temperature

N/A 580 g/cm³