Dec. 09, 2024
When customers choose protective film products, they often face such choices: PE film or PET film, how to choose? Before we answer this question, let&#;s look at what PE/PET film are:
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Polyethylene film (also known as PE film), is a plastic film made from ethylene, a hydrocarbon that is mainly obtained from natural gas or petroleum.PE film is the most common plastic that can be found everywhere. It is used for a wide range of applications, such as packing, labels, plastic bags and etc.
Polyethylene terephthalate ( also called PET film), is the most common thermoplastic polymer resin of the polyester family and is used in fibers for clothing, containers for liquids and foods, and thermoforming for manufacturing, and in combination with glass fiber for engineering resins. While used for packing, it could be aluminized by adding a thin film of metal aluminum onto it to reduce its permeability, to make it reflective and opaque.
Material: PE film is a soft material, while PET film is a hard one.
Extensibility: PE has extensibility, its elongation varies from 150% to 300%. While PET has no extensibility.
Tensile strength and friction resistance: These two properties of PET film are better than PE film.
Weather resistance and anti-aging resistance: PE film can withstand max 70 &#; temperature, while PET film can withstand up to 240 &#;.
Our PE protective film is mostly used to supply temporary surface protection for aluminum window and door profiles, glass, and other building materials. Because of its softness, it could better fit protected surfaces than other materials. It is not only suitable for general material surfaces but is also recommended to use on rough surfaces like carpets, spray aluminum profiles, and other surfaces. However, it is not resistant to high temperatures and will break down under long-time sunlight. We usually suggest our customers tear them off asap, especially in summer. As the aluminum window and doors will absorb more heat, tearing them off asap could also help to avoid the risk of glue residue.
Our PET protective films have a double-layer composite structure. The first layer is an ordinary PET film, which can meet the needs of customized LOGO. The second layer uses the aluminized PET film mentioned above. It provides shading and sealing protection, so it could avoid the fading or aging of profiles to some extent. This film is recommended to use on PVC/UPVC profiles in high UV intensity / high-temperature areas. Through the feedback from the Xinjiang Branch of Zhongcai Profile, which is the leading manufacturer of PVC profiles in China, the outdoor anti-aging performance after 3 months is indeed better than other protective film products.
Each of the two materials has its own characteristics. Only when we totally understand customers&#; demands, know what our customer&#;s most concerns are, and have full knowledge of the protected surfaces, can we provide customers with appropriate protective film solutions.
In the realm of protective films, two common materials often come into play: polyethylene (PE) and polyethylene terephthalate (PET). Both serve the essential purpose of safeguarding surfaces from damage during various processes, such as manufacturing, transportation, and installation. However, despite their similar acronyms, PE and PET protective films exhibit distinct characteristics and are suitable for different applications. Understanding the differences between these materials is crucial for selecting the appropriate protective film for specific needs.
PE's flexibility and impact resistance makes it ideal for applications where toughness and durability are essential. PET's higher tensile strength and rigidity make it suitable for applications requiring structural integrity and stiffness.
Polyethylene (PE) is a thermoplastic polymer known for its versatility and cost-effectiveness. PE protective films are typically made from low-density polyethylene (LDPE) or high-density polyethylene (HDPE). LDPE offers flexibility and conformability, making it suitable for irregularly shaped surfaces, while HDPE provides higher strength and puncture resistance.
Application: PE protective films find widespread use in industries ranging from construction and automotive to electronics and furniture. They are commonly applied to surfaces such as stainless steel, aluminum, glass, and plastic sheets to protect against scratches, dirt, moisture, and minor impacts during handling, transportation, and installation processes.
Characteristics: PE protective films are characterized by their easy peelability, allowing for quick application and removal without leaving adhesive residue. They offer temporary protection without altering the appearance or properties of the underlying surface. PE films are available in various thicknesses, ranging from thin, economical options to thicker, more durable grades for heavy-duty applications.
- Cost-effective solution for surface protection
- Easy to apply and remove
- Provides temporary protection against scratches, dirt, and minor damage
- Available in a range of thicknesses and adhesion levels
- Suitable for a wide variety of surfaces and applications
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Pet High Temperature Protective Films
Polyethylene terephthalate (PET), also known as polyester, is a strong and transparent thermoplastic polymer. PET protective films are engineered for applications that require enhanced durability and optical clarity.
Application: PET protective films are commonly used in industries such as electronics, optics, and display manufacturing, where maintaining surface integrity and visibility are paramount. They are applied to screens, displays, touch panels, and other sensitive surfaces to safeguard against scratches, abrasions, and chemical damage.
Characteristics: PET protective films offer superior mechanical strength, chemical resistance, and optical clarity compared to PE films. They are typically thinner than PE films but provide reliable protection against more significant impacts and abrasions. PET films may feature special coatings for anti-glare, anti-static, or anti-fingerprint properties, depending on the application requirements.
- High mechanical strength and abrasion resistance
- Excellent optical clarity and transparency
- Chemically resistant to solvents and cleaners
- Available with special coatings for specific applications
- Suitable for sensitive surfaces requiring long-term protection
Selecting the appropriate protective film depends on various factors, including the type of surface, environmental conditions, duration of protection required, and budget constraints. PE protective films are ideal for general-purpose applications where cost-effectiveness and easy application are paramount. On the other hand, PET protective films are preferred for applications that demand superior durability, optical clarity, and chemical resistance.
It's essential to consult with a knowledgeable supplier or manufacturer to determine the most suitable protective film for specific needs. By understanding the distinct characteristics and advantages of PE and PET protective films, businesses can ensure effective surface protection while maintaining product integrity and quality.
Whether you require PE or PET protective films for your industry-specific applications, our team is here to assist you. As a leading supplier of high-quality protective films, we offer a comprehensive range of solutions tailored to meet your requirements. Contact us today to learn more about our products and how they can benefit your business.
For inquiries or to place an order, please contact us today.
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If you are looking for more details, kindly visit Graphic Arts PET Film Manufacturer.
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