PTFE, PFA, FEP, PVDF Fluoroplastic products industry experts
What is the difference between FEP and PFA heat shrinkable tube in application?
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Release time:
2024-04-15
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1. PFA heat shrinkable tube is what?
PFA heat shrinkable tube, full name is Perfluoroalkoxy Alkane heat shrinkable tube, is a kind of high-performance fluoroplastic-polyperfluoroalkoxy resin made of heat shrinkable insulation material. The PFA heat shrinkable tube can shrink quickly after heating, tightly wrapping the objects to be protected, forming a tough and tight protective layer. Its main characteristics are high temperature resistance, strong chemical corrosion resistance, excellent electrical insulation performance, and has very low moisture absorption and excellent transparency. PFA heat shrinkable tube has a wide operating temperature range, up to 260 ℃, so it is widely used in some high temperature environments or occasions with extremely high chemical resistance.
What is 2. FEP heat shrink tubing?
FEP heat shrinkable tube, full name is Fluorinated Ethylene Propylene heat shrinkable tube, also belongs to a member of the fluorine plastic family, the main ingredient is polyethylene glycol propylene. FEP heat shrinkable tube also has excellent high temperature resistance and chemical corrosion resistance. Its typical characteristics are high shrinkage ratio, which can closely fit the surface of the protected object and provide good insulation and protection effect. The maximum continuous working temperature of FEP heat shrinkable tube is about 200 ℃, which is slightly lower than that of PFA heat shrinkable tube, but in many environments requiring long-term stable operation, its excellent electrical insulation characteristics and excellent flexibility make it an ideal choice.
What is the difference between 3. PFA heat shrinkable tube and FEP heat shrinkable tube?
1. temperature adaptability: PFA heat shrinkable tube high temperature performance is more prominent, for those working temperature close to or more than 200 ℃ extreme environment, PFA heat shrinkable tube is a better choice, such as in aerospace, chemical, semiconductor manufacturing and other fields of high temperature pipe connection, wiring harness protection.
2. Physical properties: FEP heat shrinkable tube has higher transparency, flexibility and scalability, and is more suitable for higher requirements for optical clarity, or for packages with complex shapes and more curves, such as medical equipment, Optical fiber and cable protection.
3. Cost considerations: Due to factors such as production process and raw material costs, PFA heat shrinkable tubing is usually slightly more expensive than FEP heat shrinkable tubing, so in the case of limited actual project budgets, users may decide which type of heat shrinkable tubing to choose based on cost performance.
To sum up, PFA heat shrinkable tube and FEP heat shrinkable tube have their own advantages, users need to combine the actual working environment, temperature, cost budget and installation convenience and other factors, reasonable choice for their own heat shrinkable tube products.
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