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[Chemical Knowledge]：The production and manufacturing method and process of the tape master roll.

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The manufacturing method
of the tape master roll
1. Introduction

tape master roll is an important raw material in the production process of many chemicals, especially in the packaging, building materials, automotive and electronics industries. This article will introduce in detail the manufacturing method of the tape master roll, including raw material preparation, mixing, rolling, cooling, cutting and other steps.

2. Raw Material Preparation

The main raw materials for the manufacture of tape master rolls include rubber, plasticizer, filler, antioxidant, etc. Among them, rubber is the main material, and natural rubber or synthetic rubber is usually selected. Plasticizers are used to increase the flexibility of the tape, and commonly used are petroleum resins, Gumalon, etc. Filler is used to improve the strength and hardness of the tape, commonly used calcium carbonate, clay and so on. Anti-aging agent is used to prevent the aging of the tape, commonly used phenolic antioxidant, amine antioxidant and so on.

3. the kneading

, the prepared raw materials are proportionally put into an internal mixer and kneaded. In the process of mixing, it is necessary to control the temperature and time to ensure that the raw materials are fully mixed, and at the same time avoid the rubber overheating and damage. After the completion of the kneading, the mixture is taken out and subjected to the next calendering operation.

4. Calendering

The compound is put into a calender and a calendering operation is carried out. In the process of calendering, it is necessary to adjust the roll distance and roll temperature to ensure the thickness and surface smoothness of the tape. At the same time, it is also necessary to pay attention to avoid defects such as bubbles or cracks in the tape during the calendering process.

5. Cooling
After
calendering is completed, the tape needs to be cooled to reduce its temperature and facilitate subsequent cutting operations. The cooling method usually adopts natural cooling or air cooling, and it should be noted that the shrinkage or deformation of the tape should be avoided during the cooling process.

6. cutting
After the
cooling is completed, cut the tape to the required length and width. In the process of cutting the roll, it is necessary to ensure the smoothness and smoothness of the cut to avoid defects such as burrs or cracks.

7. quality inspection

the finished tape master roll need to carry out quality inspection, including appearance inspection, performance test, etc., to ensure that the product quality meets the requirements. For unqualified products, rework or scrap is required.

8. packaging and storage

qualified tape parent rolls need to be packaged and stored. The packaging is usually in cartons or wooden boxes, and the interior should be isolated with moisture-proof paper or plastic film to avoid moisture or pollution during storage. The storage location should be dry, cool, well-ventilated place, avoid direct sunlight and high temperature environment.
Precautions for
9.

1. During the manufacturing process, the safety operation procedures should be strictly observed to avoid accidents.
2. For different types of tape master rolls, the manufacturing process parameters should be adjusted according to specific requirements.
3. In the use of the process, should pay attention to keep the tape clean and dry, to avoid contact with acid, alkali and other corrosive substances.

10. Conclusion The manufacturing method of

tape master roll involves the control of multiple links and process parameters, so the manufacturing personnel need to have rich experience and skills. At the same time, in order to ensure product quality and stability, it is also necessary to strengthen the management of raw material procurement, quality inspection, packaging and storage. Only in this way can we produce a tape master roll that meets the requirements and meets the needs of chemical production.

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