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Torlon® PAI PolyAmide-Imide
Electrical Grade Specifications

904 West 6th Street, Shiner, Texas 77984 USA
Phone: 1-361-594-2941 Fax: 1-361-594-2349 E-Mail: info@boedeker.com

1-800-444-3485

BPI Home Page | Applications | Materials Guide | Contact Us!
Torlon Overview | Electrical Grade Torlon | Bearing Grade Torlon | Glass-Reinforced Torlon | Carbon-Reinforced Torlon
Duratron T Electrical Grade PAI | Duratron T PAI Grades

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GENERAL PROPERTIES

click to resize photo Torlon ® is the highest performing melt processable plastic. It has superior resistance to elevated temperatures. It is capable of performing under severe stress conditions at continuous temperatures to 500°F (260°C). Parts machined from Torlon ® stock shapes provide greater compressive strength and higher impact resistance than most advanced engineering plastics. Its extremely low coefficient of linear thermal expansion and high creep resistance deliver excellent dimensional stability over its entire use range. Torlon ® is an amorphous material with a Tg (glass transition temperature) of 537°F (280°C).

Depending upon the method used to produce a stock shape (sheet, rod, or tube), the properties of the resulting material can vary. Generally speaking, the best mechanical properties are exhibited by injection molded material. However, the process used is generally defined by the size and shape of the desired material. For example, small diameter rod and thin sheets are extruded -- larger shapes are compression molded. See the following descriptions and properties table for details.

TORLON ® ELECTRICAL GRADES (UNFILLED)

Torlon 4203 PAI (Extruded)

Torlon ® 4203 extruded PAI offers excellent compressive strength and the highest elongation of the Torlon ® grades. It also provides electrical insulation and exceptional impact strength. This grade is commonly used for electrical connectors and insulators due to its high dielectric strength.

Extruded Torlon ® 4203 is typically only available in thin sheets and small diameter rods. Check with us for availability of 4203 in the size you need. (see also Duratron T4203 PAI)

Torlon 4503 PAI (Compression Molded)

Torlon ® 4503 compression molded PAI is the same formulation as 4203, but has been made into stock shapes using a different manufacturing process. The resulting material is similar to 4203, but has slightly different mechanical properties (see datasheet below).

Compression-molded Torlon ® 4503 is typically available only in larger diameter rods (in short lengths), thicker sheets, and large (but short length) tubes. Check with us for availability of 4503 in the size you need. (see also Duratron T4503 PAI)
see also datasheets for:
Torlon Overview | Electrical Grade Torlon | Torlon Bearing Grades | Torlon Glass-Filled Grades | Carbon-Reinforced Torlon
Duratron T Electrical Grade PAI

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TYPICAL PROPERTIES of TORLON® PAI ELECTRICAL GRADES

ASTM or UL test Property Torlon® 4203
Electrical Grade
Extruded
Torlon® 4503
Electrical Grade
Compression Molded
PHYSICAL
D792 Density (lb/in³)
(g/cm³)
0.051
1.41
0.050
1.40
D570 Water Absorption, 24 hrs (%) 0.40 0.35
MECHANICAL
D638 Tensile Strength (psi) 18,000 18,000
D638 Tensile Modulus (psi) 600,000 500,000
D638 Tensile Elongation at Break (%) 5 5
D790 Flexural Strength (psi) 24,000 24,000
D790 Flexural Modulus (psi) 600,000 600,000
D695 Compressive Strength (psi) 24,000 18,000
D695 Compressive Modulus (psi) 478,000 350,000
D785 Hardness, Rockwell E80(M120) E80(M119)
D256 IZOD Notched Impact (ft-lb/in) 2.0 1.5
THERMAL
D696 Coefficient of Linear Thermal Expansion
(x 10-5 in./in./°F)
1.7 1.5
D648 Heat Deflection Temp (°F / °C)
at 264 psi

532 / 278

532 / 278
D3418 Glass Transition Temp (°F / °C) 527 / 275 527 / 275
- Max Operating Temp (°F / °C) 500 / 260 500 / 260
C177 Thermal Conductivity
(BTU-in/ft²-hr-°F)
(x 10-4 cal/cm-sec-°C)

1.80
6.2

1.80
6.2
UL94 Flammability Rating V-0 V-0
ELECTRICAL
D149 Dielectric Strength (V/mil) short time, 1/8" thick 580 600
D150 Dielectric Constant at 1 MHz 4.2 4.2
D150 Dissipation Factor at 1 MHz 0.026 0.031
D257 Volume Resistivity (ohm-cm)at 50% RH > 1016 > 1013

NOTE: The information contained herein are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers' complete material property datasheets.
All values at 73°F (23°C) unless otherwise noted.
DURATRON is a registered trademark of Quadrant Engineering Plastic Products.
TORLON is a registered trademark of Solvay Advanced Polymers.

http://www.boedeker.com/torloneg.htm

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Boedeker Plastics, Inc.
904 West 6th Street, Shiner, Texas 77984 USA
USA TOLLFREE : 1-800-444-3485
Phone: 1-361-594-2941     Fax: 1-361-594-2349     E-Mail: info@boedeker.com

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