According to foreign media reports, Mitsubishi Chemical Corp. has developed a carbon fiber sheet molding compound (SMC) hybrid molding technology. This technology is the core forming technology for automotive structural materials and is designed to support its product solutions. To this end, Mitsubishi Chemical has adopted the molding technology of CPC Srl, an Italian company, and Mitsubishi Chemical has also invested in the company.
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SMC usually uses short chopped fibers, but Mitsubishi Chemical uses carbon fiber fabric. Compared with the conventional SMC process, the material strength is higher after being produced by the press molding method. According to the company's vision, non-crimp fabric (NCF) carbon fiber fabrics will be used in the future because of the minimal number of bumps and indentations of the NCF.
Mitsubishi Chemical's molding technology not only ensures the strength of the material, but also produces pre-glyse compression molding (PCM)/SMC hybrid molding technology to produce complex parts. Both PCM and SMC technologies use thermosetting resins, but PCM uses fast curing epoxy resin, and both fiber and short fiber SMC can utilize the same vinyl ester resin (vinyl Ester resin). For this reason, after using the SMC technology, the adhesive strength at the interface is high.
Although the thermoplastic resin is highly viscous and difficult to impregnate, the SMC molding process is suitable for materials with a mass of 3,500 g/m2, and the parts produced are complex in shape and more rigid. Mitsubishi Chemical plans to promote the market-oriented application of hybrid SMC technology in the segment of automotive grade structural materials. In addition, the company will offer high-quality bulk-tow carbon fiber for SMC in the future.
Stainless Steel Needle Valve Hydraulic Brass
Stainless steel needle valve hydraulic brass is an important part of instrument measurement pipeline system. It mainly includes stop valve and ball valve. Its function is to open or cut off pipeline passage.
Ferrule type instrument valve has the advantages of convenient installation and disassembly, tight connection, conducive to fire prevention, explosion-proof, high pressure resistance and good sealing performance. It is an advanced connection valve in power station, oil refining, chemical plant and instrument measurement pipeline. This type of valve shall be installed horizontally in the pipeline.
Stainless steel needle valve has good sealing performance and long service life. Even if the sealing surface is damaged, it only needs to replace vulnerable parts to continue to use.
During installation, the flow direction of medium shall be consistent with the arrow on the valve body.
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