ARLON®1555 BEARING GRADE POLYKETONE
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Physical Properties (ASTM Method)

Physical Properties (ASTM Method)

Typical Value

Color

Black

Specific Gravity (D792)

1.46

Hardness, Shore D, Points (D2240)

87

Tensile Strength @ Break, psi (D638)

21,200

Elongation @ Break, % (D638)

2.2

Tensile Modulus, psi (D638)

1,650,000

Compressive Strength, psi (D695)

24,600

Flexural Strength, psi (D790)

33,000

Flexural Strain @ Break, % (D790)
2.2
Flexural Modulus, psi (D790)
1,400,000
Shear Strength in Axial Direction @ 80F, psi (D732)
13,000
Shear Strength @ 80F, psi (D732)
10,000
Heat Distortion Temperature @ 264 psi, ºF (D648)
530
Coefficient of Static Friction
0.11
Coefficient of Dynamic Friction @ PV = 11,000 psi-ft/min
0.17
Coefficient of Dynamic Expansion @ PV = 28,000 psi-ft/min
0.13
Wear Factor, in3-min/lb-ft-hr @ PV = 11,000 to 28,000 psi-ft/min
65 x 10-10
Coefficient of Thermal Expansion, in/in/°F (D969)
17 x 10-6
Thermal Conductivity, BTU-in/hr ft2-F
4.8
Water Absorption 24 hours, %
0.10
 
Arlon® 1555 is a lubricated and carbon-filled version of Arlon 1000. Compounding these thermoplastic results in a high HDT, improve tensile and flexural properties. Arlon 1555 is most often used in nonlubricated or marginally-lubricated bearing application or wear surface.
 
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