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Dalian Longyao Plastic Machinery Co., Ltd.

Contacts:Manager Xu

Mob:13354065688

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Add:Lushun lime kiln, Dalian, Liaoning Province

What are the requirements for raw materials in a three-layer co extrusion blown film machine

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What are the requirements for raw materials in a three-layer co extrusion blown film machine

date:2024-10-16 00:00 source:http://m.jingduwang.cn click:

The advantages of the three-layer co extrusion blown film machine are high production efficiency, simple operation, cost savings, and good film quality. Therefore, it has been widely used in the packaging industry and other fields. With the advancement of technology and market demand, the performance and technology of three-layer co extrusion blown film machines are constantly improving, providing more possibilities for producing high-quality films.

The three-layer co extrusion blown film machine is widely used in food packaging, medical product packaging, agricultural covering film, building material film and other fields. The film produced by it has good stretchability, heat resistance, corrosion resistance, transparency and other characteristics, which can effectively protect the product, extend the shelf life of the product, and enhance the competitiveness of the product.

What are the requirements for raw materials in a three-layer co extrusion blown film machine

The quality of raw materials needs to be good. The quality of raw materials directly affects the quality of extruded films, so it is necessary to choose high-quality raw materials for production. Generally speaking, raw materials need to have good ductility, toughness, and transparency to ensure the stretchability and transparency of the film.

Secondly, the composition of the raw materials needs to be stable. The three-layer co extrusion blown film machine usually uses multi-layer composite raw materials to produce films, so the composition of each layer in the raw materials needs to be balanced and stable to ensure that the structure of the extruded film is uniform and consistent. If the raw material composition is unstable, it is easy to cause quality problems such as looseness and breakage in the extruded film.

Thirdly, the processing performance of raw materials needs to be good. The raw materials need to have good processing performance, including melt index, melt flowability and other indicators. This can ensure that the raw materials can flow smoothly during the extrusion process without blockage, leakage, and other phenomena, thereby producing high-quality films.

The specifications of the raw materials need to be matched. The three-layer co extrusion blown film machine usually needs to select appropriate specifications of raw materials according to product requirements, including parameters such as width and thickness of the raw materials. If the specifications of the raw materials do not match, it is easy to cause the size and thickness of the extruded film to not meet the requirements.

When adjusting the temperature of the three-layer co extrusion blown film machine, attention should be paid to the temperature matching of the upper, middle, and lower plasticizing cylinders and extrusion heads to ensure the temperature coordination between each component, in order to produce high-quality plastic film products. During the operation process, continuous experimentation and adjustment are necessary to adjust the temperature according to the actual situation, in order to improve production efficiency and product quality.

The three-layer co extrusion blown film machine is mainly composed of an extruder, die head, coating roller, cooling roller, traction roller, tension control system, winding machine, etc. An extruder is a raw material that heats and melts plastic particles, and then extrudes them to form a thin film. The die is used to form a circular film of extruded plastic material. The coating roller is used to apply a thin film onto a cooling roller for cooling. The cooling roller cools the film through a cooling system to solidify it. The traction roller is used to pull the film and maintain a certain speed and tension. The tension control system controls the tension of the traction roller to ensure the flatness and uniform tension of the film. The rewinder is used to roll film into rolls for subsequent processing and use.


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Dalian Longyao Plastic Machinery Co., Ltd

Contacts:Manager Xu

Mob:13354065688

Tel:0411-86268088/0411-86268988

BM:0411-86265066

Web:m.jingduwang.cn

Email :xu86268088@126.com

Add:Lushun lime kiln, Dalian, Liaoning Province

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