LLDPE Stretch Film QS-15B

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Product Description:

CONSTRUCTION:

Backing: LDPE film

TYPICAL PHYSICAL PROPERTIES:

Total Thickness: 15 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's difference between iron rust and protective film of aluminum?
Generally speaking, iron won't rust in dry air. But there's always vapour in the air. When vapour is absorbed by the surface of iron, electrochemical corrosion happens. The texture of iron rust generated thereby is loose which makes it easy to absorb more moisture and cause corrosion. Aluminum has good corrosion resistance. The main reason is that aluminum reacts with the oxygen in the air and generates aluminium oxide forming a layer of protective film to prevent the aluminium from further oxidation.
Q:What is the difference between protective film and sticker?
The original protective film can only protect the screen from scratches and pollutions for the period of time from delivery to use. It's not for regular protection for screen. And it won't work any more after using for a period of time. But sticker is different. Generally, sticker cover the whole product(generally, surface) to prevent dust and scratches. It has wear resistance and somewhat water proofness and quake proofness. But it also has disadvantages. There's a kind of specific glue on the it which makes it difficult to remove the sticker because some glue may remain on the surface of the products.
Q:Is there any way to clean the protective film on standard door?
The simple way is to use an electric hair dryer to heat it, and then tear it off.
Q:What kind of protective film can cover the matte surface?
The requirements for matte surface are much lower than that of specular surface. You can use PE film. Its adhesion can be tested in many ways.
Q:What will happen and what to do if the protective film on copper door is torn off?
It's fine without the film. There's a protective paint layer on the surface of the copper door. If the paint is gone, you can buy spray paint to paint it. But the color of spray paint should be similar to that of the copper door. Or you can contact the manufacturers and ask them to repair it.
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:What are the differences between PE release film and PE protective film?
The adhesives used in PE release films are release agents which the property that make it impossible to stick sticky objects to it. It's mainly used on the separation of double-sided adhesive tapes and that of label and its backing paper. The adhesive used in PE protective films is glue of low adhesion which makes the film adhesive though not very sticky. And the film is used on surface protection of materials.
Q:PVC protective film reacted with the plastic on which it's coated. Why did that happen?
The quality of your PVC film is not good, I suppose. I had the same problem before. The PVC film I bought was cheap but the glue was not good. I think high-quality film won't have such problem.
Q:What's the function of the protective film coated on cup lid?
The plastic film coated on the lid of thermos cup is a kind of packaging material for goods, used to protect the good from scrates during transpotation and sell. You should tear it off before using the cup.
Q:How to use super light clay to make transparent protective film?
The simplest way is apply it with a layer of transparent glue over and over again and wait until it gets dry.

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