Tempered Glass Film vs Flexible Film Screen Protector

Apr 22-2025

Core features of Tempered Glass Film

As a common choice for screen protection, tempered glass film has a broad user base. rock space tempered glass film has the advantages of 9H hardness, impact resistance, smoothness and sensitivity, hydrophobicity and oleophobicity, etc., ensuring the safety of the screen in all aspects.

9H diamond-level hardness– no trace after being scratched by the key and worry-free for daily use
Shock-absorbing and anti-fall – resist external impact and reduce the risk of screen breakage
High light transmittance, smooth touch – no visual loss, control like a bare screen

Features of Flexible Film Screen Protector

At present, Flexible film screen protector mainly include TPU film, EPU film, UV film, etc.

TPU material was used in the early days to protect helicopter propellers. It became the body protective layer of high-end racing cars to ensure the structural integrity of the car body after a collision due to the excellent performance. At the beginning of the 21st century, TPU began to be used as a high-end automotive paint protection film.

With its excellent toughness, corrosion resistance and hydrophobic properties, the material can not only automatically repair scratches, but also effectively withstand the impact of flying debris in the event of an accident. In recent years, TPU material has been used in screen protectors. It is as high-definition and transparent as tempered glass film, smooth and sensitive, and has the advantages of full-screen fit and automatic repair of small scratches. In addition to TPU film, the industry now also adds EPU film, UV film and other options.

1. TPU material (common material, light and thin, smooth and sensitive)

● Automatically repair minor scratches

● 0.15mm ultra-thin design, bare metal feel

● High stretchability: suitable for 2.5D/3D curved screens

2.EPU material (upgraded version of TPU material, super strong, super complex, close fit)

● Upgraded repair coating to repair deep scratches, making the screen look like new after long-term use

● Automatically curls to the side of the screen, making the curved surface fit more snugly

● Better anti-yellowing design

3.UV film (reach 6H hardness by rock space cutting machine and vacuum curing machine)

Full screen fit, smooth and sensitive
Vacuum light solid, refuses to fall off
6H hardness, scratch-resistant and wear-resistant

rock space provides UV Privacy Glass-like Film, UV Matte Glass-like Film, UV Curing Screen Protector Film, UV High Definition Glass-like Film and UV Matte Glass-like Film.

Main Difference between Tempered Glass Film and Flexible Film Screen Protector

Comparative Dimensions	Tempered Glass Film	Flexible Film Screen Protector
Applicable models	Model film form, non-mainstream models or models that have been removed from the market may not be able to meet demand	Custom protective film on-site with the rock space screen guard cutting machine. 56,000+ models are available, regardless of phone model.
Bending limit	Glass, cannot be bent (easy to break)	Extremely flexible, can be bent at any angle
Surface hardness	9H	7H max
Scratch protection	Prevent deep scratches	Resist daily scratches, or scratches can self-heal
Edge treatment	There is a risk of chipping when encountering external force.	The edges will never chip and are safe to use.
Feel in use	0.33mm thickness, relatively thick and light	Light and thin, bare metal feel
Filming method	Curved screens are difficult to fit and the scrap rate is high; white edges are easy to appear during bonding.	easy to use; fit curved screen perfectly
Benefits to store	Tempered film has high cognitive penetration rate and low education cost.	On-site customization can reduce the store’s stocking and capital occupation; avoid customer loss.

Protection mechanism of tempered film and soft film

Features	Tempered Glass Film	Flexible Film Screen Protector
Anti-fragmentation mechanism	Resists impact through hardness and rigidity	Absorbs impact force through flexible deformation
Edge protection	Edge overhang, easy to crack due to stress concentration	Tight fit, no overhang, anti-fragmentation

rock space Screen Protection Solutions

Tempered glass film product line:

High-definition 2.5 D tempered glass screen protector: high-definition and translucent, scratch-resistant and wear-resistant, smooth and sensitive

2.5D anti-peep tempered glass film: protects privacy, shock-absorbing and anti-fall, anti-scratch and wear-resistant

Flexible Film Screen Protector product line:

TPU film: HD clear screen protector, screen protector anti spy film, frosted film, anti blue light film (multiple levels for customers to choose from, different sizes for mobile phones, tablets, and notebooks)

EPU film: HD film, frosted film, anti-blue light film

UV protection screen guard: high-definition film, HD privacy screen protector film, frosted film (reach 6H hardness with UV curing machine)

How to Choose between Tempered Glass Film and Flexible Film Screen Protector ?

Type	Features	Recommended Scenario
HD screen protector film	Restoring true colors with 92% light transmittance	Designers/photography enthusiasts/ordinary users
Anti-spy film	Privacy protection with 30° privacy viewing angle	Business people
Anti-blue light film	Filter 415-455nm harmful blue light	users who use their eyes for a long time
Matte film	anti-fingerprint and anti-glare	Gamer