TriStar TriSteel AC Metal Backed PTFE Bearing System

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TriStar TriSteel AC Metal Backed PTFE Bearing System
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Fluoropolymer; Polytetrafluoroethylene (PTFE)
Material Notes:	Ultraflon 601 (AC) POM lined metal backed bearing system, boundary lubrication required, high PV. Ultraflon 601 POM Liner is a lubricant enhanced acetal material for use in lubricated or unlubricated environments. With lubrication, PV ratings can be met without limitations. Lubrication reservoirs are available on the liner to produce a constant storage and pumping action for better hydrodynamic film generation.
Vendors:	TriStar Plastics Corp. provides engineering, custom fabrication and manufacturing of high-performance plastics and self-lubricating bearing materials, such as Rulon, PEEK, Torlon, CJ Composites and Ultracomp. Capabilities include component design, material selection, prototype and production, manufacturing and surface modification. Call (800) TRI-STAR (800) 874-7827 or visit or www.TStar.com Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	1.44 g/cc
Water Absorption	0.020 % @Time 86400 sec

Mechanical Properties	Original Value	Comments
Hardness, Shore D	80
Tensile Strength, Yield	7500 psi
Elongation at Break	12 %
Flexural Strength	15000 psi
Flexural Modulus	150000 psi
Compressive Strength	17200 psi
	36000 psi	Maximum Static Bearing Load
Compressive Modulus	310000 psi
Coefficient of Friction, Dynamic	0.19	Dry vs Steel
K (wear) Factor	21.0 x 10^-10 in³-min/ft-lb-hr
Limiting Pressure Velocity	80000 psi-ft/min	Unlubricated. Max P = 36,000 psi and max V = 300 fpm

Thermal Properties	Original Value	Comments
Thermal Conductivity	30.0 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	180 °F	Continuous
	210 °F	Short Term
Brittleness Temperature	-40.0 °F

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PTRIST990 / 176084

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