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| Teflon PFA 345 |
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Teflon PFA 345 is a medium-flow-rate resin available in clear 2.5-mm(0.1-in.) pellets.
Compared with Teflon PFA 340, it offers increased flex life and greater resistance to environmental stress cracking.
All grades of Teflon PFA combine the processing ease of conventional thermoplastics with properties similar to those of Teflon PTFE fluorocarbon resin.
They have high melt strength, stability at high processing temperatures, and resistance to creep at high service temperatures.
Teflon PFA retains its properties after service at 260'C(500'F) and has useful properties at temperatures as low as ?96'C(?20'F).
It is inert to nearly all industrial chemicals and solvents, and its dielectric properties are excellent.
Products made with Teflon PFA have moderate stiffness and high elongation.
In a flame situation, products of Teflon PFA resist ignition and do not themselves promote flame spread.
When ignited by flame from other sources, their contribution of heat is very small and added at a slow rate with very little smoke. |
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Melting Point,'C('F): 305(581)
Specific Gravity: 2.15
Tensile Strength, MPa(psi): 29(4,206) |
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