PTFE, PFA, FEP, PVDF Fluoroplastic products industry experts
What are the characteristics and applications of PVDF high temperature heat shrinkable tube?
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Release time:
2024-04-18
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Features of 1. PVDF high temperature heat shrinkable tube
PVDF high-temperature heat-shrinkable tube is a high-performance heat-shrinkable material made of polyvinylidene fluoride (PVDF) with many excellent characteristics:
1. High pressure resistance: PVDF material has good mechanical strength and pressure resistance. Even ultra-thin heat shrinkable tubes can maintain stable morphology under high pressure, effectively protecting internal circuits and components from pressure damage.
2. Stable performance: PVDF heat shrinkable tube after high temperature shrinkage, the formation of tight coating layer has lasting stability, not easy to be affected by environmental changes, long-term use will not appear aging, embrittlement phenomenon.
3. Acid and alkali resistance: PVDF material has high resistance to acid and alkali, whether in strong acid, strong alkali or other corrosive environment, PVDF high temperature heat shrinkable tube can maintain its original performance, provide effective isolation protection.
Good temperature resistance: PVDF heat shrinkable tube can withstand up to 175 ℃ or even higher high temperature, but also in the low temperature environment to maintain good elasticity, so in a wide temperature range can work normally.
Application field of 2. PVDF high temperature heat shrinkable tube
Instrumentation: The internal circuits, sensors and connections of precision instruments and meters often require compact and efficient protective measures. PVDF high temperature heat shrinkable tube meets this demand and provides strict insulation and protection.
2. Railway transportation: In the field of railway transportation, especially in the train's power system, signal transmission system and on-board equipment, PVDF heat shrinkable tube helps to improve the safety and durability of the system.
3. Electronic appliances: In the manufacture of electronic appliances, whether it is household appliances, communication equipment or industrial control systems, PVDF heat shrinkable tubes can be seen, which are responsible for providing insulation and protection for wires, connectors and other components.
4. Special cable: For cables used in special environments, such as deep sea, high temperature, corrosive environment, etc., PVDF high temperature heat shrinkable tube can provide additional mechanical protection and environmental isolation function, and extend the service life of the cable.
Customized Process for 3. PVDF High Temperature Heat Shrink Tube
1. Incoming inspection: First of all, the raw material PVDF resin is strictly inspected to ensure that the purity and performance of the raw materials meet the customized requirements.
2. Mold customization: design and make molds according to the specific needs of customers in order to produce heat shrinkable tubes of corresponding specifications and shapes.
3. Silica gel refining: For some special applications, it may be necessary to add silica gel and other auxiliary materials to PVDF resin to ensure uniform distribution of materials through mixing and refining process.
4. Extrusion molding: Using professional extrusion equipment, the pretreated PVDF resin is melted and extruded into a tubular shape, and the heat shrinkable tube is in an unshrunk state.
5. Measuring dimensions: The size of the preliminary PVDF heat shrink tube is accurately measured to ensure that it meets the customized specifications.
6. Inspection and shipment: After the completion of the above processes, the finished product performance testing and quality inspection, qualified products can be packaged and shipped, delivered to customers.
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