Fischer-Tropsch wax can be used in plastic processing, such as injection molding, extrusion and pelletizing industries. In the production process of masterbatch and modified plastics, Fischer-Tropsch wax contributes to the dispersion of fillers and excellent smoothness during mixing. It can be used as an external lubricant for PVC. The low viscosity can increase the production speed of the product. It helps to disperse the pigments and fillers during mixing. It is especially useful in the extrusion of high-viscosity systems. It is more than ordinary PE WAX. 40-50% less, and can significantly improve the surface gloss of the product. When using intense colors, the melted Fischer-Tropsch wax can effectively wet the dye and reduce the extrusion viscosity.
When used in the ink as a particulate powder, it can improve the wear resistance and wrinkle resistance of the applied material. When applied to the coating, it can have a wrinkling effect, and when used in a micro powder state, it can form a wrinkle effect of stripes and water lines. When powder coating resin is added, it plays a role of lubrication in the extrusion process, which can reduce screw torque, reduce energy consumption and improve production efficiency.
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On September 3, Dalian Marine Propulsion Company officially delivered the 18.7-ton heavy-duty ship propeller built in 17 days. The propeller will be used for the 80,000-ton bulk carrier built by Dalian COSCO Shipyard Engineering Co., Ltd.
It is reported that it takes four months to manufacture such a large propeller. The Dalian Marine Propulsion Company has been scientifically evaluated, relying on the original computer design system to increase the effective working hours, and greatly shortening the time-consuming and labor-intensive pre-manual process, which was completed within 17 days. Design, manufacture, and set a world record.
Chen Baoqi, deputy general manager of Dalian Marine Propulsion Co., Ltd. pointed out that “the company has advanced computer 3D solid assisted design and reliable manual simulation technology to ensure the successful casting of castings.†As required, a propeller must be guaranteed to work at sea. For more than 30 years, on the 3rd, the propeller passed the rigorous inspection of the balance, weight and geometric dimensions of Lloyd's Register of Shipping and successfully reached the standard. He Dachuan, deputy chief engineer of Dalian Marine Propulsion Co., Ltd. said, "According to the requirements of Lloyd's Register of Shipping, we used electric furnace smelting to ensure the chemical composition and mechanical properties of the alloy itself.
Dalian marine propellers set a world record for 17 days of making large paddles