PTFE, PFA, FEP, PVDF Fluoroplastic products industry experts
Performance Analysis of Teflon Tube
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Industry dynamics
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Release time:
2022-04-11
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Teflon tube has excellent chemical stability, mechanical properties, electrical insulation, self-lubricating, non-stick, non-combustible and aging resistance. Its outstanding feature is that the melt viscosity is much lower than that of PTFE, so it can be processed by ordinary thermoplastic molding methods. Its products have good high temperature stability, high temperature mechanical strength of about PTFE2 times, PFA film is softer than PTFE, with good bending and cracking resistance. Below to understandTeflon tubeof performance.
1. Teflon tube translucent granular material, injection molding, extrusion molding. Molding temperature 350-400 degrees above 475 degrees.
2. The forming temperature of the Teflon tube does not exceed 475 degrees, the mold is heated to 150-200 degrees, and the resistance of the gating system to the material flow is small.
3. PTFE pipes used for high temperature wire, cable insulation, anti-corrosion equipment, sealing materials, pump valve bushings and chemical containers.
4. Teflon pipe is suitable for manufacturing corrosion-resistant parts, anti-friction parts, sealing parts, insulation parts and medical equipment parts.
5. The Teflon tube is corroded by molten material. Long-term production, the mold needs chrome plating.
Pressure resistance is an important parameter of Teflon tube performance. At room temperature, the static pressure that the Teflon tube can withstand without plastic deformation on the waveform is the pressure resistance of the Teflon tube, so it must withstand this pressure without plastic deformation during the entire working process. The pressure resistance of the Teflon tube actually belongs to the strength category of the Teflon tube. The key to the calculation is stress analysis, that is, to analyze the stress on the Teflon pipe wall. As long as the stress at the stress point on the Teflon pipe wall does not exceed the yield strength of the material, the pressure it bears cannot reach its pressure resistance. Under the same other conditions, the same Teflon tube has better stability under external pressure than under internal pressure, so the pressure resistance under external pressure is higher than under internal pressure.
With these characteristics,Teflon tubeIt can be widely used in aerospace, instrumentation, medical and pharmaceutical, electronic appliances, post and telecommunications, petrochemical, metallurgical power, household appliances, lighting and other fields.
Key words:
Teflon tube
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