Moisture in the air may cause customized Single and double layer belt When the webbing contacts with the passengers' clothes, the spots and colors on the luggage webbing will also be transferred to the clothes, so Suifenhe River Single and double layer belt It shall have anti spot fading property, which is also called spot color fastness. The spot color fastness test includes multi fiber test and filter paper test. The multi fiber test is to clamp a sample of tissue belt between two layers of colored cloth. Clamp Single and double layer belt Immerse the cloth with distilled water and completely wet it. Then squeeze the water out of the extruder, and then clamp these colored cloth wrapped with selvedge webbing into the plexiglass sheet, put it into the sample holder, and lock the sample holder. This rack is placed in a high and low temperature box at a certain temperature, and after reaching the specified time. Take out the sample and hang the colored cloth.
The steps of printing. Many friends don't know how to do it. In fact, there are two methods. So the master of PP ribbon factory will let you know. Direct plate making method: the method of direct plate making is to first place the photosensitive film of the wrist plate base coated with photosensitive material face up on the working table, place the stretched wrist net frame flat on the film base, then put photosensitive paste in the screen frame and apply pressure coating with a soft scraper, remove the plastic film base after drying and filling, and attach the photosensitive film wrist screen for printing. After developing After drying, screen printing is made. Process flow: stretched screen - degreasing - drying - peeling substrate - exposure - development - drying - revision - blocking
The second part of our knowledge of printing types. The printing of luggage webbing is a kind of process that I like very much. The first part of what I just said is followed by the second part, which is also very interesting. Let's enjoy it together. Glue printing of luggage webbing. After the emergence and wide application of glue paste in water paste, due to its excellent coverage, it can also print any light color on dark clothes, and has a certain gloss and three-dimensional sense, making ready to wear clothes look more high-end, so it is rapidly popularized, and almost every piece of printed T will use it.
According to the functional data learned by Xiao Bian, the temperature of the lit cigarette is about 700 ℃, and the continuous burning time of a cigarette is about 15 minutes, which is a long time. However, the spontaneous ignition point of common combustibles is very low, such as paper, cotton, linen and knitted fabrics, whose ignition point is mostly 200 ℃ to 300 ℃, so it is easy to cause fire. Turning to the statistics of major and catastrophic fires nationwide, there are many records of fires and casualty accidents caused by smoking after drinking, smoking in bed, littering cigarette butts and other reasons. The typical case is the Great Khingan Mountains forest fire in 1987, which caused a heavy loss of 6.913 billion yuan. It was later discovered that four of the first five fire spots of the fire were caused by human beings, and two of the fire spots were ignited by the cigarette butts of three "smokers".
