Width Of Aluminum Foil

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FAQ

Wrap your legs in plastic film. How soon will they be removed?
PVC film is mainly used in1. Sewage pipes2, PVC plastic film rod plate.3, construction, packaging, printing, equipment, process products.
Can the concrete be covered with plastic film in summer?
Summer maintenance to cover the film..And the film should be sprinkler maintenance,First, because the temperature of concrete and the internal temperature can not be too different,Otherwise, thermal stress. Internal expansion. External contraction. Produces cracksSecond. The hydration heat of the cement needs only twenty percent of the actual water, and the rest will evaporateAll water evaporates to form a contractionWe are here it is. For example, a pier pier. All set on film.Then put a bucket on top and fill it with water,Slowly drop, let the water covered pier surface. The surface temperature is reduced.
What is the corona treatment of plastic film?
In the corona discharge, a large amount of ozone is produced. Ozone is a strong oxidant which oxidizes the surface molecules of plastics and produces carbonyl compounds, peroxy compounds, and so on. In addition, corona treatment to remove oil, dirt and moisture and other effects, through the modification of the physical and chemical, can significantly improve the plastic surface wettability and adhesion.
Excuse me, where can I buy a special transparent plastic film?
In fact, in potting materials covered with a layer of plastic film, some of the treatment can be isolated ultraviolet light, part of the treatment of light intensity is different.
Keyboard circuit board, film paper and rubber strip, how is it installed?
In the side of the conductive thin film circuit and the circuit board finger contact.
Is there any material in the strong film made of plastic material which is resistant to high temperature, piercing, and has high tensile properties and can not tear off the film?
The LLDE film may be dedicated to heavy packaging, pierce resistant, tear resistance, tensile, and high temperature resistance depends on what degree requirements, the general level is possible, to have a high temperature resistant performance of plastic is not practical.
What are the choices of plastic film and plastic film in greenhouse?
Film greenhouse plastic film because of low price and convenient use, can effectively improve the crop growth conditions, increase yield and improve quality, so in the greenhouse at home and abroad covering the rapid development.At present, the film products used in film greenhouse mainly include PVC film, PE film and EVA film. These three kinds of mulching materials are often used in film greenhouse.
What is the difference between a thin film keyboard and a mechanical keyboard?
The film is the two keyboard circuit boards cover together, separated by a layer of film, want to get the same network there will be a hole, you can imagine a sandwich like, then sandwich top also add a layer of plastic film, each key corresponds to the plastic nipple film above a rising (you you can see, the keys to pry open) key is pressed, the plastic nipple will be under the pressure of the two layer circuit board corresponding to the position of the hole together, then the computer will know which key is pressed.