Introduction to the Performance of Five Common Fluoroplastic Films

DATE:2024/8/6 14:47:40 / READ: / SOURCE:This station

Fluoroplastic film is a type of film made from high molecular weight polymers containing fluorine atoms. This type of film has excellent physical and chemical properties and is often used in industrial, medical, construction, and other fields in daily life. At present, common fluoroplastic films include PTFE (polytetrafluoroethylene) film, ETFE (ethylene tetrafluoroethylene copolymer) film, FEP (fluorinated ethylene propylene copolymer) film, PFA (perfluoroalkoxy) film, and PVDF (polyvinylidene fluoride) film.

Each type of fluoroplastic film has its own characteristics in terms of performance. Below, I will provide a detailed introduction to the characteristics of these types of fluoroplastic films in the form of a table:

film

PTFE 

ETFE 

FEP 

PFA 

PVDF 

Chemical resistance

Extremely Excellent

excellent

excellent

Extremely Excellent

good

Temperature resistance

-260°C ~ 260°C

-200°C ~ 150°C

-200°C ~ 200°C

-200°C ~ 260°C

-40°C ~ 150°C

Mechanical performance

High brittleness, average toughness

Good toughness and high strength

Better toughness

Good toughness and high strength

High strength and good toughness

Processing capability

Poor, not suitable for melt processing, not suitable for injection molding

Good, weldable

Good, can be extruded through injection molding and blow molding

Excellent, capable of melt processing (injection molding, extrusion)

Good, can be extruded, injection molded, and solution coated

transparency

Opaque

high

high

Low to moderate

Medium to high

Non sticky

Extremely Excellent

good

good

Extremely Excellent

good

Electrical performance

excellent

excellent

excellent

excellent

good

application

Cookware coating, sealing, and wire insulation

Membrane structure, chemical container, semiconductor

Wire and cable, chemical equipment lining

Semiconductors, food processing, chemical containers

Water pipes, battery separators, anti-corrosion coatings

From the table above, it can be seen that among these types of fluoroplastic films:


PTFE film has the best temperature resistance and is also very non sticky, so it is used as a non stick coating for cookware and chemical pipelines;

ETFE films have excellent strength and toughness, and can withstand greater mechanical stress, so these films are often used in membrane structure buildings;

FEP film has good transparency, chemical resistance, and temperature resistance, so it is commonly used for wire insulation layers, chemical container liners, etc;

PFA film has similar performance to PTFE, but better processability, can be melted and processed, is stable at high temperatures, resistant to chemical corrosion, and has better strength and wear resistance than PTFE. It is suitable for high-performance applications and is often used in semiconductors, chemical equipment, and medical devices;

The final PVDF film has a relatively low cost and good chemical resistance, but it is not as good as other fluoroplastics. However, it has excellent weather resistance and UV resistance, so it is commonly used as a battery backsheet film.

After understanding the physical and chemical properties of these five common fluoroplastic films, you can make more accurate judgments when choosing. If you also want to learn about other types of films, please feel free to call or visit our factory. Wuhan Modern Precision Machinery Co., Ltd. has decades of experience in the research and development and production of high-end fine films and chemical fiber materials and other complete sets of engineering machinery technology equipment. We believe we can provide you with satisfactory answers.

Author:admin


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