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: Does it matter if the protecive film on the cooling fin of air conditioning is washed off?: If the film is coated on the surface, that's hydrophilic film, used to strengthen the refrigerating effect. If it's removed when it should not be removed, then it will affect the refrigerating effect of the air conditioning. If there's a liite part of the film is washed off, it doesn't matter. But the fin is put closely to each other. You should remove the film one by one. Is the fin put closely to each other?

Q: How to distinguish release film from protective film with the naked eye?: In fact, the protective film is relatively the use layer. It's thicker than release film. But release film is used to protect the use layer. Usually, PET use layer can not only be formed by PET release film, but also by PE release film. To put it simple, generally the middle layer is the use layer. The outer layers are all release film which are usually thinner than the use layer.

Q: What's the best way to clean the glue of protective film which is coated on the elevator door? And the fastest way?: I do not suggest to use water (water with washing powder etc.). You can use oil. If possible, you can buy some special stainless steel cleaning oil. If the door is painted, machine oil is okay.

Q: Mobile phone screen film stuck on how bubbles ah, how sticky ah?: There are two reasons for cell phone film bubbles. One is the air: just use a bus card or something like that to push the bubbles out of the edge. The two is stained with dust: a film bubble, with transparent adhesive, the dust sucked again after the stick, and in order to avoid the air can also use the bus card push, until the paste is smooth and has no bubbles so far.

Q: How to distinguish the adhesion degrees of Protective film materials?: It depends on what exact kind of product the customer want. Certain product has certain function and degree of adhesion. 1N or less refers to low degree of adhesion; 1-3N refers to medium degree, and 3N or more, high degree. In addition, there are also slight degree and super degree somewhere.

Q: Performance index of PE protective film: Purpose: tack stability, good adhesion, then peeling performance is good, no glue residue phenomenon for furniture Polaroid plate, stainless steel plate, ceramic tile, marble, artificial stone and so on.4. medium adhesive filmCharacteristics: thick (0.05 + 0.003), width (less than 1.3), high (100-1000), substrate (PE), peel strength (60-80g/cm), temperature (60), stretching rate (>400)Usage: sticky, stable, good adhesion, good peeling performance, no residual glue phenomenon, apply to fine lines, grinding board and general difficult to stick material surface protection, etc.5. high viscosity protective filmCharacteristics: thick (0.05 + 0.003), width (less than 1.3), high (100-800), substrate (PE), peel strength (80-100g/cm), temperature (60), stretching rate (>400)Uses: sticky, stable, good adhesion, and then good peeling performance, no residual glue phenomenon, applicable to fine lines, matte board, aluminum plate, difficult to stick plastic plates6. super high viscosity protective filmCharacteristics: thick (0.04 + 0.003), width (less than 1.3), high (100-800), substrate (PE), peel strength (more than 100g/cm), temperature (60), stretching rate (>400)Uses: high viscosity, use water-based acrylic as pressure-sensitive adhesive, easy to use, easy to paste, easy to tear, no residual glue phenomenon. Suitable for coarse lines, aluminum and other difficult to sticky material

Q: The PET protective film appears to be a solution to the problem: PET film, after the protective film is torn, there will be residual glue and static electricity. Now I have a headache. Which boss is clear, give directions?

Q: Is it okay not to tear off the protective film on the mirror stainless steel during laser cutting? How about the effect?: The stainless steel must be coated with protective film during laser cutting. And the film must be thick and adhesive enough because air will be produced during laser cutting. If the film is not adhesive enough, it will be easy to be blowed. I suggest you to use adhesive film that is 7C or more thick and 80 degrees or more adhesive.

Q: What does "protective membrane" mean against blue light?: Blue light is the light emitted from the LED screen. It is part of an artificial light source. It's bad for your eyes to look at the screen for a long time! Anti blue protective film is to reduce the intensity of the screen blue light, will not be so dazzling, slowing eye fatigue. It also works with this kind of protective film

Q: What to do if the sandblasted protective film on marble stele is not adhesive any more?: The reasons may be: 1. If there is oil or water on the surface of the processed stele, the film can't be sticked firmly. 2. Maybe the adhesion of the protective film is not enough. I suggest you try a new film that is more adhesive. We have recieved many similar complaints from our customers. Generally, we will provide them with a variety of protective films for testing.

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