Sofia Martinez
With smartphones and tablets becoming indispensable, protecting their screens from scratches is crucial. Scratch-resistant screen protectors act as shields, safeguarding device screens from scratches, scrapes, and abrasions. While various materials are used to enhance scratch resistance, such as tempered glass, polyurethane film, and nanotechnology coatings, plastic screen protectors are also an option. Plastic screen protectors are typically less expensive and popular among consumers who prefer this type of screen protector. However, they may not offer the same level of scratch resistance as other materials, with some users reporting scratches appearing on their plastic screen protectors over time.
| Characteristics | Values |
|---|---|
| Material | Thermoplastic polyurethane (TPU) |
| Scratch Resistance | Low |
| Impact Resistance | Low |
| Cost | Affordable |
| Installation | Easy |
| Visibility | Reduced |
| Self-Healing Properties | No |
| Oleophobic Coating | No |
| Alternative | Tempered Glass |
| Alternative Material | Treated Glass |
| Alternative Scratch Resistance | High |
| Alternative Impact Resistance | High |
| Alternative Cost | Expensive |
| Alternative Installation | Easy |
| Alternative Visibility | Good |
| Alternative Self-Healing Properties | No |
| Alternative Oleophobic Coating | Yes |
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What You'll Learn
Plastic screen protectors vs tempered glass
Plastic screen protectors and tempered glass screen protectors are both widely available on the market. Each type has its own advantages and disadvantages.
Plastic screen protectors are typically made from thermoplastic polyurethane (TPU) or polyurethane (PU) film. They are cheaper than tempered glass protectors, with prices in the Indian market ranging from Rs. 40-50 for a plastic protector compared to Rs. 100-250 for tempered glass. They are also less sleek and modern-looking than tempered glass, and some users may find them more difficult to install due to the challenge of removing all the air bubbles. In terms of scratch resistance, plastic screen protectors offer some protection, but they are not as durable as tempered glass.
On the other hand, tempered glass screen protectors are made by heating glass to high temperatures and then rapidly cooling it, creating a durable and scratch-resistant surface. They are easy to install and remove, and they provide excellent clarity and touch sensitivity. They also offer high levels of protection against scratches, impact, and fingerprints, thanks to their multiple layers, including an oleophobic nano-coating and an anti-shatter film. However, tempered glass protectors are more expensive than plastic ones, and they may not be suitable for all phone models due to their thickness.
In terms of scratch resistance, tempered glass outperforms plastic. In a test using the Nanovea PB1000 Mechanical Tester, the tempered glass protector exhibited two critical failures, while the TPU plastic protector only showed one. The tempered glass protector also had a higher critical load, indicating that it could withstand more pressure before failing.
Ultimately, the choice between a plastic and tempered glass screen protector depends on the user's preferences and budget. Plastic screen protectors are a more affordable option, but they may not offer the same level of scratch resistance and durability as tempered glass. Tempered glass is more expensive, but it provides better protection and a more seamless user experience.
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TPU screen protectors
TPU, or thermoplastic polyurethane, is a type of plastic that is elastic and transparent. TPU screen protectors are impact-absorbing and can withstand being dropped face-down multiple times without needing to be replaced. This is because, unlike glass, TPU does not shatter. However, TPU feels less like a phone screen than glass, and you may be more aware that you are using a screen protector. TPU is also oil and smudge-resistant, but glass screen protectors offer clearer screen experiences.
TPU hydrogel screen protectors are a flexible, self-healing film that provides strong protection against scratches, impacts, and fingerprints while maintaining touch sensitivity and screen clarity. They are easy to install, conforming smoothly to the screen without bubbles. They are also durable, particularly for impact absorption and scratch resistance, and are more flexible and self-healing than tempered glass.
In a test conducted by Nanovea, a TPU screen protector exhibited one critical failure, whereas a tempered glass screen protector exhibited two. Critical load #1 is defined as the load at which the screen protectors started to show signs of cohesive failure under a microscope. For the TPU screen protector, critical load #2 correlated to the location along the scratch where the protector began to visibly peel off the phone screen. While the acoustic emission of the tempered glass screen protector was of a larger magnitude than that of the TPU screen protector, no damage was done to the phone screen in either case.
In summary, TPU screen protectors are a good option for those seeking impact protection and scratch resistance. They are durable, flexible, and self-healing, and they provide strong protection against scratches and impacts. However, they may not offer the same clarity as glass screen protectors.
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Polyurethane film protectors
One notable feature of polyurethane film protectors is their optical clarity. When used on device screens, they offer high screen visibility while providing good scratch resistance. This makes them a popular choice for consumers who prefer plastic screen protectors over tempered glass options. Polyurethane screen protectors are also known for their flexibility, making them easy to install and replace, ensuring a user-friendly experience.
The scratch resistance of polyurethane film protectors can be attributed to their self-healing properties. While they may not completely prevent scratches, their unique composition enables them to recover from minor scratches, keeping the surface protected and maintaining its aesthetic appeal. This feature is particularly advantageous for devices that are frequently handled and exposed to potential scratching agents.
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Nanotechnology coatings
One example of a nanotechnology-based screen protector is the GoGoNano Liquid Shield. It is a liquid nano screen protector that users can easily apply to their smartphone, tablet, or PC screens. The application process involves spraying the liquid solution onto the screen and spreading it evenly with a microfiber cloth. This liquid coating dries within minutes, forming a strong bond with the device's screen. The resulting protective layer is transparent, bubble-free, and enhances the screen's clarity.
Liquid nano screen protectors, such as Liquid Shield, offer several advantages over traditional plastic screen protectors. Firstly, they provide scratch resistance by utilising oleophobic or hydrophobic coatings that repel oils and water, minimising the risk of scratches. Secondly, they improve the user experience by reducing fingerprints and enhancing screen responsiveness. Thirdly, they are eco-friendly, as they are made from water-based and biodegradable materials, eliminating the need for harmful plastic alternatives.
In addition to scratch resistance, nanotechnology coatings can offer additional benefits. For example, the Protectology PRO-10 liquid glass screen protector claims to reduce harmful cell phone radiation and possesses anti-bacterial properties, preventing bacterial growth on the screen. This feature is particularly useful for devices shared by multiple people. Nanotechnology coatings also improve touch sensitivity, making scrolling and navigation smoother and more responsive compared to bulkier tempered glass screen protectors.
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Liquid glass screen protectors
Plastic screen protectors, such as those made from thermoplastic polyurethane (TPU), are less expensive and a popular choice for consumers. However, they may not offer the same level of scratch resistance as other materials like tempered glass.
The application process for liquid glass protectors is simple and typically involves cleaning the screen, applying the liquid glass, and allowing it to dry or "cure." Once applied, the liquid glass fills in the microscopic pores and imperfections of the screen, creating a smooth and strengthened surface that is highly scratch-resistant.
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Frequently asked questions
Plastic screen protectors are not very scratch-resistant. They get scratched easily and can reduce screen visibility.
Tempered glass screen protectors are a popular alternative. They are highly scratch-resistant, provide impact protection, and do not wear out easily. Polyurethane (PU) film protectors are another option. They are flexible, scratch-resistant, and have self-healing properties for minor scratches.
Screen protectors act as a shield to safeguard your device's screen from scratches, scrapes, and abrasions. They prolong the lifespan of your device and maintain its appearance. They are also affordable and easy to install and replace.
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