LLDPE Stretch Film QS-25B

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CONSTRUCTION:

Backing: LDPE film

TYPICAL PHYSICAL PROPERTIES:

Total Thickness: 25 micron

Tensile Strength Md: 20Mpa

Elongation Md: 300%-500%

Tear Strength Md: 3500 mN

Impact Strength: 50g

Puncture: 18N/90mm

Q: What are the genaral standards of protective film teat?: There are only some general conventions in the industry. No national standards at present.

Q: What are the unique properties of PET protective film?: Property 1: Highly adhesive, fairly sticky and anti-solvent. When used in the normal temperature environment, the sidelines of the film stay straight and no glue remains. Use: Apply to decoration and ordinary industrial sheltering. Property 2: Excellent whether resistance. Apply to use at temperature below about 150℃. No residual glue. And the boundary of color separetion is clear. Use: Apply to car color covering and industrial machinery painting. Property 3: Special PET material with high tensile strength as well as acid and alkali-resistance. No permeation and no residual glue. Use: Apply to spray paint at high temperature. The film is made from sprcific materials, making it resistant to high temperature and environmental friendly. Once coated, the film will not fall off. And no glue will remain. It's the best choice for the protection of coatings like LCD, ITO, PMMA and PC. The Hualibao company is working on protective films. You can go there to learn more about PET protective films. It is suitable for automobile color cover.

Q: Import PET protective film has those good introduction?: Mainly used in electronic products, photoelectric materials, LCD LCD screen, LCD backlight, portable computer, high gloss plastic board, ordinary plastic board, all kinds of plastic sheets

Q: Can laptop TouchPad be covered with protective film?: You needn't do that. When the touchpad is coated, the sensitivity is weakened and the feel is affected. You know that touchpad is made to touch. . . If it's necessary, the manufacturer would have done it for you.

Q: Is the laptop monitor covered with protective film?: Save the screen's protective film, not only to prevent dust invasion, effectively protect the LCD screen, but also easy to clean, and what's the problem? In fact, this approach is not reasonable, dealers have advised consumers not to peel off the protective film in a week, this is to prevent the liquid crystal during this problem but convenient returned, in normal use, we recommend that users opened this layer of protective film.

Q: How to prevent the protective film from damage and the stainless steel from marks when drawing the steel?: The surface quality of drawing dies of stainless steel is highly required. Rough surface can decrease friction and increase the property of adhesive resistance. Therefore, after the grinding processing, the more important work is to remove the processing marks left on the drawing dies. However, few people know the importance of the grinding and polishing processes when making dies. Throughout the whole process, the proportion of grinding and polishing processes should reach one third because the appearance quality of stainless steel products,to a large extent, is determined by the grinding and polishing techniques of making dies. The rougher the surface of dies is, the less it needs re-grinding. And the life of the dies also extends accordingly. If the surface of dies is not well grinded and polished, the marks on the drawn products will be clear. Although there's something to do with the fact that drawing stainless steel can easily cause seizing tumour, too. And to polish these marks takes time and the result is not good. Thus we should pay more attention to the grinding and polishing processes. Only when the surface processing precision of dies improves, can the marks decrease and the life of dies extend. In recent years, various new polishing techniques and polishing tools have arised at home. New processes and equipments such as ultrasonic polishing, electropolishing, abrasive jet and extrusion honing have been developed.

Q: PET protection film sticking is not firm, how to solve?: It is common in the three layer of PET protective film material, the main reason is because the use of synthetic silica, silica gel with liquidity, if the PET protective film surface encountered some small particles squeeze, it will form a crystal, the best way to avoid the crystallization point, is to protect the PET surface protective film

Q: When you remove the protective film from your cell phone, how can you remove the glue?: The physical properties of ethanol are mainly related to the properties of low carbon straight chain alcohols. The hydroxyl radical in the molecule can form hydrogen bonds, so the viscosity of the alcohol is large, and the organic compounds with similar molecular weight are not so great.Edible alcohol is one of the raw materials for detergent production.

Q: How to remove the protective film on the door in a quick way?: Maybe the weather is too cold, I couldn't tear it off no matter how hard I tried. I could only dig a little down from the door at a time. It's really painful. Then I heat the film with electric hair drier for about half an hour. And then gently pull it down from the door.

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