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What is PTFE Tape?

Author:Site Editor     Publish Time: 2021-09-02      Origin:Site

What is PTFE tape?


PTFE (Teflon), a synthetic fluoropolymer of tetrafluoroethylene, is used to make the PTFE tape. To produce PTFE tape, silicate glass fiber fabric is used as the substrate, then, coat the substrate with Teflon emulsion and after dry the coating, apply Teflon emulsion again. 


Properties of the PTFE tape


  1. STICK WELL & LEAVE NO RESIDUE

    The PTFE tape has a smooth surface, and it sticks well and leaves no residue


  2. ABRASIVE RESISTANCE

    The surface is highly abrasion-resistant. 


  3. ANTI-FRICTION

    The coefficient of friction is usually within the range of 0.05 - 0.20.


  4. DISTINCTIVE ELECTRIC PROPERTY

    The coating has better insulation and lower dielectric coefficient even in a wide range of electrical frequencies. The special coating can conduct electricity and prevent static electricity.


  5. HEAT STABILITY

    The coating can be exposed to the temperature of 260℃/500°F for a constant long time span and to the temperature of 315℃/600°F within a short period.


  6. INFILTRATE

    The oleophobic and hydrophobic surface prevents the tape from being easily socked, making it easier to completely clean the surface.


  7. LOW- & HIGH-TEMPERATURE RESISTANCE

    The coating can maintain its physical characteristics under extremely low temperatures with a limit to -270℃/-454°F. Besides, under high temperatures, the tape can still stick well without curled edges and still leave no residue.


  8. CHEMICAL RESISTANCE

    Teflon is nearly insoluble in any chemicals except molten alkali metals and highly reactive fluorinating agents 


PTFE tape temperature rating


Generally, the PTFE tape is available for use at temperatures ranging from as low as -70°C to as high as 260°C becuase of its Teflon coating. Teflon starts to deteriorate at temperatures above 260°C and starts to decompose at temperatures above 350°C. However, the PTFE tape maintains its properties even when exposed to temperatures above 260°C for a constant long time and can be used safely when overheated by a heat booster. When exposed to temperatures above 350°C, the PTFE tape begins to decompose at a low speed. The glass fiber begins to soften and is possible to fracture when exposed to temperatures above 600℃. Hence, the PTFE tape, as the composition of glass fiber and Teflon, can withstand temperatures above 260℃. If the PTFE tape has cracks, it has a shorter service life.


what is PTFE tape used for?


Because of these properties, PTFE tape is widely used in electrical applications as insulated cladding and insulated lining.


It is also used as the surface cladding for storage tank rollers and the lining of the friction surface of the guide rail. Also, it can be applied directly to large flat surfaces and regular curved surfaces (e.g. rollers). The use of the PTFE is quite easy, hence it can replace the Teflon spray painting which should be processed in factories with professional equipment and special technics. 


The PTFE tape is also used as a heat-resistant insulation material in industries such as textile, food, medicine and wood processing. 


In addition, the heat-resistant PTFE tape is commonly used in color printing machines, plastic wire drawing machines and sealing machines.


 
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About us

Founded in 2002, FSD is a comprehensive scientific research and development enterprise integrating scientific research, production, sales and engineering. The company currently employs nearly 300 people, including more than 30% of technical management personnel, and a plant area of 50,000m². It has two production bases in Wuxi and Taizhou, Jiangsu. The company's products involve a series of application development research related to "Special high-tech fiber". 
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