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Technical Product Data Sheets

Noryl® (polyphenylylene oxide, modified) Noryl®, due to its inherent chemical composition, exhibits unusually low moisture absorption. Therefore, good electrical insulating properties are realized over a wide range of humidity and temperature. Chemical attack from water, most salt solutions, acids, and bases is also minimal with Noryl®. The addition of glass fiber reinforcement enhances both the mechanical and thermal properties of the basic Noryl® material.

Typical Values

Physical Properties ASTM Test Method Units Noryl®
Density D792 lbs/cu in3 0.0564
Water absorption, 24 hours, 73°F (23°C) D570 % 0.20
Mechanical Properties ASTM Test Method Units Noryl®
Specific Gravity D792 g/cu cm.3 1.06
Tensile Strength at break, 73° F D638 psi 9,600
Tensile Modulus, 73°F D638 psi 3.5 X 105
Elongation at break, 73° F D638 % 30
Flexural Strength, 73° F D790 psi 13,500
Flexural Modulus, 73°F D790 psi 3.6 X 105
Izod Impact Strength, Notched, 73°F D256 ft-lbs/in. 5.0
Rockwell Hardness D785 —- R119
Coefficient of friction @ 40psi, 50 fpm —- Static/Dynamic 0.32/0.39
Thermal Properties ASTM Test Method Units Noryl®
Heat Deflection @ 264 psi D648 °F 265
Vicat Softening Temperature —- °F 310
Coefficient of Linear Thermal Expansion D696 in./in./°F 3.3 X 10-5
Applicable Temp. Range for Thermal Expansion —- °F 0 – 140
Max. Serving Temperature for Long Term —- °F 220
Flammability UL94 —- V-1
Electrical Properties ASTM Test Method Units Noryl®
Volume Resistivity,  73°F D257 ohm-cm 1017
Dielectric Constant @ 60 Hz, (73°F, 50% RH) D150 —- 2.7
Dissipation Factor @ 60 Hz, 73°F D150 —- 0.001
Dielectric Strength D149 V/mil 500

Material Availability:

Rods:  Length: 10 feet – Diameters 1/4″ to 6″
Plates: 1/4″ to 2″ thickness inclusive are 24 X 48 inches ; 2 1/4″ to 4″ thickness inclusive are 12 X 48 inches
Profiles, tubes and special sizes are custom-produced on request

This information is only to assist and advise you on current technical knowledge and is given without obligation or liability. All trade and patent rights should be observed. All rights reserved.

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