TriStar TriSteel PR Metal Backed PTFE Bearing System

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TriStar TriSteel PR Metal Backed PTFE Bearing System
Categories:	Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE)
Material Notes:	Ultraflon 602e enhanced PTFE (PR) lined metal backed bearing , high speed reciprocating, self lubricating, high temperature and high load applications. Liner is designed specifically for high frequency dither applications such as valves, shock absorbers, hydraulic controls for both lubricated or dry use. Excellent wear properties compared to other TriSteel liner choices.
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	Metric	English	Comments

Density	3.15 g/cc	0.114 lb/in³
Water Absorption	0.010 % @Time 86400 sec	0.010 % @Time 24.0 hour
Deformation	3.1 %	3.1 %

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	65	65
Tensile Strength, Yield	16.9 MPa	2450 psi
Elongation at Break	150 %	150 %
Flexural Strength	19.3 MPa	2800 psi
Flexural Modulus	1.10 GPa	160 ksi
Compressive Yield Strength	20.3 MPa @Strain 2 %	2950 psi @Strain 2 %
Compressive Strength	248 MPa	36000 psi	Maximum Static Bearing Load
K (wear) Factor	18.1 x 10^-8 mm³/N-M	9.00 x 10^-10 in³-min/ft-lb-hr
Limiting Pressure Velocity	1.75 MPa-m/sec	50000 psi-ft/min	Unlubricated. Max P = 36,000 psi and max V = 1000 fpm

Thermal Properties	Metric	English	Comments
CTE, linear	84.6 µm/m-°C	47.0 µin/in-°F
Thermal Conductivity	41.5 W/m-K	288 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	260 °C	500 °F	Continuous
	288 °C	550 °F	Short Term
Brittleness Temperature	-184 °C	-300 °F

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PTRIST993 / 176087

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