There are many different types of classifications according to different opinions. The following is a small series of Chinese towel trading network to introduce the specific classification methods based on different organizations.
1, cut pile:
The towel from the loom is double-sided with loops; now the printed product needs to be printed on a flat, shiny cloth surface, how to do it; so there is a cut pile. Cut the velvet by cutting the terry half, so that the towel is suitable for printing. The high-level factory can print the towel as if it were a painting, and it is also an upscale as an ornament. Nowadays, foreign products generally need to cut velvet; because the color of the cut velvet products is printed, the hand feels comfortable. And its shortcoming is that the cut velvet products are simply dropped, assuming that the skills are unreasonable; hehe, after the water will fall off. However, with reasonable skills, the cut-cut products will have slender lint. The product that is not cut is not printed on the print, but it is very durable, so don't worry that it will fall off the hair; the hand feels relatively close.
2, water absorption:
Why do some towels do not absorb water when they are launched? When a towel is touched, the water is dried? Because in the process of treating the towel, an auxiliary agent: softener is used. This thing is a liquid, and the towel will become very soft when it passes from the inside. It has two kinds: one is water-absorbing; the other is non-absorbent. Naturally, you know the problem ahead. The color of the non-absorbent product is exceptionally beautiful, as if it is marked with a layer of grease; therefore, when you want to buy a absorbent towel, if the thin towel is very beautiful, it will not absorb water.
3. Organization skills:
Suppose you are a careful person. You can find that some towels are made up of one loop and the other side is two loops; some are a loop on both sides; a little is that both sides are composed of two loops. Telling you this is very important! Generally, the products we see are all towels with a loop on both sides. Because it is a general mass product, this is called a single hair skill; and occasionally you will see that one side is One terry loop, the other side is two terry towels, this is a single double hair skill; it is attributed to the high-end product series, so this is more durable; the printed tricks are dazzling; more difficult is the double Hair skills, it is a towel composed of two loops on both sides; this towel is extra thick. Belong to the high-end product line. Needless to say, the price of this stuff is naturally expensive.
4, broken file:
Many of the towels we saw at the supermarket were broken towels. You can see that the towel base has a cloth file in addition to the loop, and some towels are broken towels; its skills can be varied; many flowers can be woven; the price of this towel is higher than the market! The price of a face towel is more than 8 yuan;
5. Jacquard:
On the towel, you can see that there are loops, some are cloth files, these cloth files are lower than the terry ring; through the skill of the skill engineer, these bumps appear various patterns. The price of this towel is much more expensive than a regular towel; however, it can only be finished by dyeing; the image is simple.
6, embroidery:
This is abbreviated. There are many towels we have seen in the supermarket. The computer embroiders a puppy, a small flower and so on. This icing on the scene adds 1 to 2 dollars to this towel.
7,:
It is surrounded by a bath after bathing; there are children's bath towels (usually 60120cm 69x137cm), adult bath towels (76x152cm most common). This kind of bath towel is generally printed with beautiful tricks: cartoon, beautiful, scenery...
Extraordinary popularity. These other bath towels are used as beach towels in foreign countries; they are used to pad the beach and swim after they are on the beach. Bath towels as an ornament are also exceptionally good. The domestic use of plain bath towels, these things are not printed, but all white, perhaps the same kind of light color; general hotels use a wide range of comparisons. And the family generally does not use this kind of thing. The little girls like cartoons because they are so beautiful, so the domestic bath towels are also popular.
8, cotton:
We have seen that manufacturers generally use chemical fiber in the cotton yarn driven by profit; and we can not distinguish whether there is chemical fiber!!
Many manufacturers of this kind of chemical fiber have made them get a lot of cost reduction! And how do we try to distinguish it? The chemical fiber is generally soft and comfortable; the feeling is very soft (note that the softener mentioned above has this function) and we The product of the large scratched product (and the large face towel print) that we saw is a simple distinction: the yarn of the chemical fiber is not colored, it is white, under the violet light; the same color as the banknote appears. So using this method to distinguish plain towels is also a useful tool!!!
9, active printing:
This is not known to many people! This refers to the dye used in printing flowers; beware, this is a non-toxic dye. GOOD! å•¥ paint printed? Very simple and other. The color of the former printed image is shiny, the latter, no gloss, very ugly. The tea towel we saw was painted; it was printed locally; the terry may have been mixed with suede, no looseness, and the product was selected. Be careful not to buy it!! The paint is still used now, because it is a terry or a suede; so it is used and printed fonts and lines; this is usable, let our products have a new kind of vision. .
This information is provided by the China Trading Network.
Focal length of automotive camera lens parameters.
The focal length determines the size of the field of view Angle. The focal length value is small, the field of view Angle is large, and the observed range is large, but the distant object is not clearly resolved.Large focal length, small field of view Angle, small scope of observation, as long as the appropriate focal length selection, even distant objects can be clearly seen.Since the focal length and the field of view are one-to-one correspondence, a certain focal length means a certain field of view. Therefore, when selecting the focal length of the lens, it is necessary to fully consider whether it is important to observe the detail or to have a large observation range. If you want to see the detail, you should choose the lens with a long focal length.If you're looking at a large scene up close, choose a wide-angle lens with a small focal length.
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