PTFE and fluoropolymer
PTFE and fluoropolymer: scope, limits of use and technical checkpoints.
5 guides
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Smooth-bore and convoluted PTFE hose
The choice between smooth-bore and convoluted PTFE hose is not made on the basis of flexibility alone. Flow and cleaning requirements, bending space, permeation, pressure and fitting construction are evaluated together;…
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The concept of static-dissipative PTFE hose
Antistatic PTFE is not considered to have the same electrical properties as an ordinary PTFE inner tube. The required electrical behavior must be clearly defined in the product code and manufacturer data, and verified t…
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Permeation and gas service in PTFE hose
Permeation is a behavior related to the ability of a fluid to pass through the hose material; it is not the same as a visible hole or a fitting leak. In gas transfer, the inner tube, gas type, pressure, temperature and …
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Evaluating temperature and pressure together in PTFE hose
The pressure and temperature limits of a PTFE assembly cannot be derived solely from the general properties of the PTFE polymer. The inner tube, reinforcement, end fitting, seal and the manufacturer's temperature-depend…
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Technical questions in fluoropolymer hose selection
For fluoropolymer hose selection, the process questions must be answered first: which fluid, which temperature, which pressure, what cleaning and what kind of motion? Choosing PTFE or another material name does not on i…
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