LLDPE Stretch Film QS-19B

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CONSTRUCTION:

Backing: LDPE film

TYPICAL PHYSICAL PROPERTIES:

Total Thickness: 18 micron

Tensile Strength Md: 20Mpa

Elongation Md: 300%-500%

Tear Strength Md: 3500 mN

Impact Strength: 50g

Puncture: 18N/90mm

Q: What kind of keyboard protection film is good for you?: Keyboard protective film is used for the protection of the keyboard products produced with notebook often appear, because in the process of using the laptop in the water or other foreign material into the notebook and caused a lot of unnecessary losses to the notebook. With the keyboard protection film to a large extent played a role in avoiding, so attention to notebook users.

Q: What are the common problems with PET protective films?: There is also a possibility that the user in the die when the use of pressing machine pressure is not enough, or the profile surface is not clean, dust or paint, etc., affecting the adhesive effect of the gel!

Q: What are the differences between a LCD protective film for laptop and a protective film for mobile phone ?: The functions of a laptop LCD protective film: 1. Ordinary films: Ordinary films only protect the screen from dust and scratch. This kind of films is commonly used and classified into two types--scratch-resistant(a bit more expensive) and non-scratch-resistant. 2. Functional films: this kind of films has better properties of scratch-resistant properties that can be classified into: A. Anti-reflection films, preventing the reflection of light on the screen, work well on some glossy display. Correspondingly they are more expensive than ordinary ones. B. Anti-ultraviolet-radiation films, protecting your eyes, have different technical content. This type of films is colored film --purple or green. But there's no need to mind the color because it's actually transparent when it cover the screen. The color a41 won't show up. And it won't affect the color displayed on the screen. C. Privacy-protective films. After coated with this kind of films, only looking at the screen head-on, or from no more than 30 degrees to sides, people can see the content shown on it clearly. And this kind of films is the most expensive among all.

Q: why do some marks appear on the suface after PC+ABS specular products are coated with protective films?: The phenomenon occurs because film is covered unevenly when some parts are perfectly coated but others are not. In such a condition, the PC+ABS material changes as the temperature and humidity change, forming bubbles. Of course, there's something to do with the glue of the protective film. If highly required, protective film must use specific glue.

Q: How to use super light clay to make transparent protective film?: As for clay, especially the soft type, if you apply protective oil before it's complete dry, indentations may remain at the last stage of pressing.

Q: How many kinds of electroplating protective film are there?: Static film and low-adhesion film used in electroplating factories.

Q: Why does the protective film on stainless steel wrinkle?: The film expand when heated and contract when cooled. Thus it wrinkles.

Q: The finish of my house has been done for years. But the protective film on the marble surface wasn't removed at that time. Now it gets difficult to remove. What I can do?: Apply some essential balm or detergent to the marble surface and cover the surface with preservative film. Press out the air between the surface and the film. And then tear off the film a minute later.

Q: Cover the surface of metal plate with protective film.: The film itself may be coated with a layer of glue. Thus it's no need to use other adhesive tapes. If you use double-sided adhesive tape, I recommmend this kind. This kind of tape won't fall off even if it ages owing to damp and high temperature. If the film feels not adhesive, it doesn't mean it's not coated with glue because generally, the adhesion of protective film is very low that you can hardly feel it.

Q: What kind of printing press is needed to cover decorative protective film?: During the processing of protective film, film mulching machine must be used in film mulching. And gravure rotary press can be used in printing the protective film.

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