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[Chemical Knowledge]：The production and manufacturing method and process of semi-extinction slices.

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The manufacturing method
of semi-extinction slice is
in the field of chemical production raw materials, semi-extinction slice is an important product, widely used in plastics, fibers, films and other fields. This paper will introduce the manufacturing method of semi-extinction slice, including raw material selection, production process, equipment selection and so on.

1. raw material selection

manufacturing semi-extinction slice of the main raw materials are polymer compounds, such as polyethylene, polypropylene and so on. In order to obtain high-quality semi-extinction chips, it is necessary to select raw materials with high purity, good fluidity and uniform molecular weight distribution. In addition, it is necessary to add an appropriate amount of additives according to product requirements, such as antioxidants, antistatic agents, etc.

2. production process
The manufacturing process of
semi-extinction slices mainly includes the following steps:

1. Ingredients: Mix the raw materials and additives in a certain proportion to make the materials to be processed.

2. Melt extrusion: The ingredients are added to the extruder, and the materials are melted and plasticized by high temperature and shear to form a continuous and stable melt.

3. Filtration: The impurities and gel particles in the melt are removed through the filter to ensure the quality and transparency of the product.

4. Stretching: The filtered melt is stretched to increase its orientation and molecular weight and improve the mechanical properties of the slices.

5. cooling setting: the melt after stretching cooling setting, forming a certain thickness and width of the semi-extinction slice.

6. trimming and coiling: trimming and coiling the cooled and shaped slices to obtain the final semi-matt slice product.

3. equipment selection

manufacturing semi-extinction chips need to use extruder, filter, stretching machine, cooling device, trimming device and coiling device and other equipment. When selecting equipment, it is necessary to comprehensively consider factors such as product output, quality requirements, and production process, and select equipment with stable performance, simple operation, and convenient maintenance.
Precautions for
4. production

1. Strictly control the quality and ratio of raw materials to ensure product stability and consistency.

2. Keep the equipment clean and hygienic during the production process, and conduct regular inspections and maintenance to ensure the normal operation of the equipment.

3. Strengthen the monitoring and adjustment of temperature, pressure, speed and other parameters in the production process to ensure product quality and output.

4. Pay attention to safe production, comply with relevant regulations and standards, and ensure the personal safety and health of employees.

In short, the manufacturing method of semi-extinction slices requires comprehensive consideration of factors such as raw material selection, production process, and equipment selection to ensure product quality and output. At the same time, it is necessary to strengthen management and monitoring in the production process to ensure the safety and stability of production.

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