Small knitting to teach you how to distinguish a U disk Shell material for PVC or silicone

Source: Internet
Author: User
Tags touch

Now on the market to sell U disk, from the material, there are metal u disk, silicone u disk, Jade U disk, Plastic (PVC) u disk and so on. One PVC and silicone disk is more popular. However, most users are still difficult to distinguish between the two materials, the small part of the talk about the resolution method.

The first step: Touch touch with the hand, silica gel has a feeling of meat, hand contact with silicone is like touching the meat, soft, and PVC will not be such a feeling, is to do the softest is not touch the feeling of meat.

The second step: smell with the nose, silica gel is not smelly, and PVC is the smell of plastic, environmentally friendly PVC also has just a little bit more light.

The third step: burn with a fire, with a lighter, the fire to silica gel is a white powder appears, and PVC directly charred.

Through the above three steps, we can basically identify the U disk material is PVC or silica gel. The last small series prompts everyone, no matter what kind of material, the shanzhai materials used by the manufacturers may not comply with environmental protection or safety standards, the choice of well-known reputable vendors to buy will be the appropriate approach.

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