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Plastic Products offers an extensive line of plastic materials and has complete facilities for plastic molding, machining & fabrication.  In short, we can be your complete source for nearly anything plastic and can further assist you with our manufacturing expertise. Please allow us the opportunity to quote your requests. 

Technical Product Data Sheets
PPS (polyphenylene sulfide)
PPS GF-40 (polyphenylene sulfide glass-fiber reinforced)

Polyphenylene sulfide has inherent flame resistance, suprior electrical properties, and is non-hygroscopic.  Dute to its heat deflection temperature, PPS GF-40 retains its mechanical properties up to 425 F.  PPS GF-40 is a glass-fiber-reinforced semi-crystalline engineering thermoplastic capable of withstanding virtually all chemical contact up to 400 F.  It is an excellent choice for corrosive, high-temperature applications which require the mechanical properties of a glass-reinforced thermoplastic. 

Typical Values
Physical Properties ASTM Test Method Units PPS PPS GF-40
Density D792 ---- .0506 .0592
Specific Gravity D1505 lbs/cu in 1.4 1.64
Water absorption, 24 hours, 73F (23C) D570 % .03 .03
Mechanical Properties ASTM Test Method Units PPS PPS GF-40
Tensile Strength  73F D638 psi 12,500 17,500
Elongation, 73F D638 % 3 - 6 1.35
Flexural Strength, 73 F D790 psi 21,000 25,000
Flexural Modulus, 1% Secant, 73F D790 psi 600,000 1,800,000
Izod Impact Strength, Notched, 73F D256 ft-lbs/in. 0.5 1.0
Rockwell Hardness D785 "M" Scale 93 100
Thermal Properties ASTM Test Method Units PPS PPS GF-40
Deflection Temp.
@ 66 psi 
@262 psi
Max. Temp. 
Long Term 
Short Term
Coefficient of Linear Thermal Expansion
-20 F - 200F
200 F -460F
2.3 X 10-5
4.4 X 10-5
1.2 X 10-5
2.7 X 10-5
Electrical Properties ASTM Test Method Units PPS PPS GF-40
Dielectric Strength D149 V/mil 450 450
Dielectric Constant, 60 Hz, 73 F, 50% RH D150 ---- 3.0 3.6
Volume Resistivity, 73 F D257 ohm-cm 1016 1016

Material Availability:

    Rods:  Length:  10 feet 
               Diameters 1/4" to 6" 
    Plates: 1/4" inch to 2 inch 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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