First, the dark track Profile: Taking aluminum alloys as the top, the so-called nano-tracks are actually plastics, but they have only changed their names. They will be used for a long time and will be aged and broken. They are short-term use products. There are many kinds of aluminum alloy orbits, and the surface treatment is oxidized, sprayed, and electrophoresed. The original aluminum alloy is used as the top. Many cheap aluminum alloy orbits are made of recycled materials. The surface treatment is the best for electrophoresis, and the surface is smooth and does not fade. . pulley: There are two major categories of plastics and nylons, most of which are made of recycled materials. The surface is dull and rough, and will soon break and age. Its pull rings are usually bent using ordinary wire, and they will rust and contaminate curtains for a long time. The good pulleys are made of wear-resistant raw nylon, smooth and burr-free, smooth and smooth. The pull ring is made of 304 stainless steel and you can use the magnet to distinguish it. Installation code: General use of 0.5MM thickness of ordinary coating, platen using recycled plastic, easy to rust and damage, good installation code is a strong guarantee of the track, should use 1.0MM steel plate, use nylon platen, the surface is strictly used to clean and scale Clean process, solid coating, easy installation. Rail cover [cap]: The general cheap track is made of recycled plastics, and the surface is dull without toughness. The excellent cover is made of high-quality ABS, the surface is smooth, and the trademark and text are clear. package: Ordinary rail packaging is simple and unpackaged. Good track will use well-printed PE bags. In the purchase can not be free of the cost of the track, to compare it from the above aspects, the track is the basis of the curtain, a good track to use smooth and secure, can save you many Second, the track Now there are more and more rails installed, the so-called open rails are collectively known as Roman rails and rails, and the rails are made of aluminum alloy, solid wood, and steel pipes. 1, solid wood decorative track: More common, various colors, according to the type can be divided into two kinds of transparent color and cover color, basically depends on the surface treatment, is smooth, the paint is uniform, the shape of the decorative head is even, etc., solid wood decorative track with silencer and not There are basically no differences between the two types of silencer strips, because the number of opening and closing of curtains is not many times a day. 2, aluminum alloy decorative track: On the market, the difference in quality can only be seen by his wall thickness. A good wall is relatively thick to be 1.5MM-2MM. Next, look at the design of the pull ring. Many aluminum alloy decorative rail pull rings are on the upper part of the track and The lower part has a drawing groove, which is actually a false decorative rail design. The real decoration rod's pull ring slides directly on the rod. The poor decoration rod uses a recycled plastic pull ring, and the manufacturing process is rough. 3, steel pipe decorative rod: Commonly known as wrought iron rod, the surface treatment has spraying, electroplating, diameter 16MM, 19MM, 20MM, 25MM, etc. The quality depends on the quality of spraying and plating, the thickness of the mounting plate, and the thickness of the pipe wall. Decoration Materials Knowledge Decoration Materials List Decoration Aluminum Alloy Window Paint Stainless Steel In the organic synthesis industry, urea is used to produce high polymer synthetic materials. Urea formaldehyde resin is used in the production of plastics, paints, and adhesives, and can also be used as a raw material for melamine resin in the petroleum industry. Urea is used as a dewaxing agent in the petroleum refining process. In the textile industry, urea is used to manufacture pulse containing polymers as a raw material for one of the synthetic fiber varieties, Eulon. Urea Corrosion Inhibitor,Urea Powder,Agricultural Large Particle Urea Linyi Lanshan Weipu Rubber Factory , https://www.weipuwood.com