LLDPE Stretch Film QS-25B

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Product Description:

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

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Q:Do I need to tear off the protective film on the mattress?
It's not a "need" issue. It's a "must" issue. Why? The most important reason is that the film is not breathable. And it affects the comfortableness of the mattress and let alone its hygroscopicity. If you are afraid the mattress gets dirty, you can do as what the former answer said--buy a mattress cover. It's not expensive.
Q:What kind of glue is suitable for protective film used in the decoration of entrance doors?
There's a kind of appropriate film with big rolls. But it's very expensive. It's a little similar to the rolled protective film used on screen of mobile phone.
Q:What's the meaning of 3.0 H in anti-scratch protective film 3.0H?
The former answer is wrong! anti-scratch 3H means that, using 3H pencil to do the scratching test on the hardness tester for pencil, the force on the touching point of the pencil and the film is 500g.
Q:How to use tempered glass film? If I have coated the screen with tempered glass film, do I need to coat it with ordinary protective film?
Yes, the film is used to protect the screen from breaking. Even if the screen is broken, the broken glass won't fall if the screen is coated with the film.
Q:Why does the protective film on stainless steel wrinkle?
The film expand when heated and contract when cooled. Thus it wrinkles.
Q:PE film: the differences between protective film, stretch film and composite membrane.
There are many kinds of materials used in protective films, such PE, PET and OPP. The film is mainly used during prodution of products and delivery of finished products. Stretch film is a kind of film with thinness and high tensile strength made from PE materials.And it's mainly used on packaging. For example, logistics companies, transport companies and express companies use it to pack products.And composite flim is composited with several different materials, like PE and PET. This type of film is more high-temperature resistant than ordinary PE protective film.
Q:Can TP protective film keep screen from breaking?
TP protective film is plastic. It can cover the screencan and protect it from scratches, but it can't prevent the crushing of the screen. If you are afraid that your screen may break, you could use toughened glass film.
Q:Bad smell generated from the electric baking pan after its protective film is destroyed. Is the pan still usable?
The smell is toxic. The non-stick interior coating is destroyed. I was told that things like is unusable soon or later. You'd better replace it as early as possible. It's destroyed by the spatulas.
Q:Can non-sticky table tennis racket be coated with protective film?
You can use adhesive plastic protective film. This kind of film can used on both sticky gum and non-sticky gum. I recommend this type. It can increase the stickiness of the sticky gum. If the gum is not sticky any more, it can help get it sticky again. If the film is not adhesive any more, you can wash it with water and then dry it, and it will be adhesive again.
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.

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