2l sealed round pail is a part of the rubber and plastic industry. No matter what 2l sealed round pail is, it must be formed and processed. The molding process of 2l sealed round pail is the process of making plastic products from phenolic resin, urea formaldehyde resin, unsaturated polyester resin and other polymers. Its processing methods include pressure molding, extrusion, injection molding, blow molding, calending, etc. Below, we will understand the processing method of 2l sealed round pail in detail with Xiaobian.

1. Pressure molding

In the industry, also known as die molding, for phenolic resin, urea-formaldehyde resin, unsaturated polyester resin and other thermosetting plastics molding is a step of the 2l sealed round pail processing process.

2. Extrusion

Extrusion, also known as extrusion molding, is the method of using the extrusion machine to heat the resin through the mold continuously and extrude the product of the desired shape. Its advantage is that it can extrude products of various shapes, high production efficiency, automatic and continuous production; The disadvantage is that thermosetting plastics can not be widely processed by this method, and the product size is prone to deviation.

3. Injection molding

Injection molding can also be called injection molding. Injection molding is the method of using an injection molding machine to inject thermoplastic melt into the mold under high pressure and then obtain the product by cooling and curing. The advantages of injection molding are fast production speed, high efficiency, automatic operation, and the ability to shape complex parts, especially suitable for mass production. The disadvantage is that the equipment and mold costs are high, and the injection molding machine is not easy to clean.

4. Blow molding

Blow molding is also called hollow blow molding. It is mainly a method of blowing the hot resin billet closed in the mold into hollow products with the pressure of compressed air. Blow molding includes two methods of blow molding film and blow molding hollow products. The blow molding method is mainly used for the production of film products, various bottles, buckets, POTS and so on.

5. Calender

Calender is a forming method in which the resin and various additives are processed into films or sheets through the gap of two or more opposite turning rollers of the calender, and then stripped off the rollers of the calender and cooled. Rolling is the main forming method of polyvinyl chloride resin, and it is the main means to manufacture films, sheets, plates, artificial leather, floor tiles and other products.

6. Foaming

Molding The process of adding an appropriate blowing agent to the foaming material to make the plastic produce a microporous structure. According to the cell structure, it is divided into open cell foam and closed cell foam, which is determined by the manufacturing method.

2l sealed round pail https://www.plasticsproduct.com/4-5L-Sealed-Round-Pail-Precautions.html