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:What does it mean that a protective film is anti-blue-ray?
Anti-blue-ray protective film can weaken the blue ray of the screen. It would not be so dazzling that it can ease visual fatigue. Blue ray is the light emitted LED screen. It's a component of artificial light. It's bad to the eyes looking at the screen for a long time.
Q:I just bought a refrigerator. What to do before I use it? Do I need to tear off the protective film?
Don't do that because the film can keep your refrigerator well sealed.
Q:Where can I buy the protective film for floor tiles used after tiling?
It's better to use wrapping film after the floor is cleaned.
Q:What's anti-blue-ray film used for?
It has function of anti-ultraviolet-rays that can reflect visible light of harmful rays of 380nm-420nm and short wave blue ray. It's 100% anti-ultraviolet-rays of UV400. It can protect the eyes in particular.
Q:How to test the adhesion of protective film?
This is kind of test is called performance test. Taking five layers of the protective film as the teat specimens and test separately according to GB/T 7124. And the final result will be the arithmetic average of the results of the five teat specimens. By the way, what kind of thing do you use the film on?
Q:How to remove the protective film on the door cover and window cover in a quick way?
You can try to heat the film with electric hair drier and then tear it off.
Q:What can chemically react with protective film of ceramic tile?
The protective film coated on ceramic tiles is a kind of PE film. The PE in PE protective film refers to Polyethylene. It's a kind of macromolecule organic compound with the simplest structure. And it's the most widely used polymer material in the world today. PE prtective film uses specific PE plastic membrane as its basic material. Accoding to density, PE film can be classified into high-density, medium-density and low-density PE film. The biggest advantage of PE film is that it can protect the product from pollution, corrosion and scratching throughout the whole process from production, processing, transpotation, storage to end use. It keeps the product clean and glossy which means to improve the quality and market competitiveness of the product.
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 materials is rotective film made from?
PP material: material used in plastic bags that we often use. The chemical name of PP is polypropylene. PVC material: PVC material is more thick but its light transmittance is not good. PET material: the chemical name of the film made from this kind of material is polyester thin film. AR material: AR is a kind of synthetic material, generally composed of three layers--the silica gel as the adsorptive layer, PET as the middle layer and outer layer as the special processed layer. Special processings usually can be divided into two kinds-- AG processing and HC processing. AG processing is anti-glare processing, adopted when making matte protective film. HC processing is hard coating processing, used on protective film of high light transmittance.
Q:Why can't the protective film on aluminium-plastic panel be removed after a year of storage?
There may be many reasons. One of them may be that the aluminium-plastic plate was stored for too long. And you dind't pay attention to keep it. Accoding to you, it's been stored for two summers. The glue coating of the film will be semi-melting and the adhesion of the surface of the aluminium-plastic plate will be stronger which may make it difficult the remove the film if the film is stored for too long. If the film is not very large, you can slowly tear it off by hands with patience. Remember to do it slow. Try to make the angel between the direction you are pulling the film and the plate an angel of about 90°. You can also scratch the film using sharp knife and try to make the scratches parallel to each other and make the spacing between two scratches no more than 10 cm. Be careful not to damage the plate. You can try on useless plate at first. If you can't control your strength, you'd better not use this method. In addition, you can try to heat the film with electric iron (Making sure that the temperature is not too high. It's all up to you.) and then slowly tear it off. And it will be better if you put a piece of cloth or paper on the plate when you do that. Of course, using electric hair drier is more convenient. And there may be glue remains on the plate after you tear off the film, you can wipe it off with kerosene or alcohol.

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