Domestic and foreign epoxy demand varieties
At present, the most widely used variety in the world is bisphenol A epoxy, followed by brominated bisphenol A and phenolic epoxy, and other varieties are used in small quantities.
Domestic epoxy consumer grades
The actual epoxy resin produced in China is only a few grades of bisphenol A type. According to statistics, in 1997 the national demand for epoxy resin was about 110kt, the production volume was about 30kt, and the import volume was about 60kt. Domestic epoxy production varieties are very single, mainly bisphenol A type. Due to the poor quality of domestic epoxy, many high-quality epoxy, such as high-quality liquid epoxy, brominated epoxy, phenolic epoxy, etc., must be imported.
Distribution of epoxy resin in various industries
Currently, epoxy resins are mainly used in the coatings industry and the electronics industry. Epoxy for composite molding (mainly used in printed circuit boards in the electronics industry) accounts for a quarter.
Magnetic rail lighting is a flexible and adjustable LED track lighting system, which is achieved by installing magnetic rails and lamps on the ceiling or wall. The system consists of a magnetic rail, a light fixture and a power supply.
Rails are usually made of aluminum and have built-in magnetic bars that can be easily installed on areas that require lighting. The magnetic rail luminaire is connected to the magnetic rail by magnetic force, so that it can move and position freely along the track. This design makes the installation and adjustment of the lamps very simple, and the layout and location of the lighting can be changed at any time according to the need.
The magnetic lighting system has a variety of lamp types to choose from, such as spot lights, down lights, wall washers, etc., suitable for different lighting needs. Lamps can be flexibly angled to illuminate specific areas or objects while providing accurate directional lighting effects.
In addition to flexibility and adjustment, LED track lighting also has the advantages of high efficiency and energy saving. It uses high performance light sources such as LED to provide bright and uniform lighting effects while saving energy and reducing energy consumption.
Track lighting design is widely used in commercial spaces, exhibition halls, galleries and offices, and is also commonly used in home decoration. The advantage is that it can customize the lighting scheme according to different needs, creating the ideal lighting effect and atmosphere.
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