The appearance of most raw plastic materials looks dry; But in fact it is not like that. Hyproscopic materials such as polycarbonates and nylons can absorb moisture from the air and must be dried before injection into the molding machine. The plastic gasifier is a device that can remove the moisture in these materials and improve the quality of the used plastic. In this article, we are going to check the plastic gasifier and see how this device can remove the moisture in the raw materials.
What is the process of gasoline and bitter plastic injection machine?
Plastic materials are produced in two types; Moisture-absorbing plastics and dehumidifying plastics. Dehumidifying plastics, such as polypropylene, only retain moisture on their surface and no moisture penetrates into them, which can be removed from dehumidifying plastics with a simple drying device.
On the other hand, moisture-absorbing plastics, including polyester PET, have a great tendency to absorb and retain moisture inside, and must be dehumidified before injection. The plastic moisture absorption process is a chemical reaction of hydrolysis at a temperature of 65 degrees Celsius, during which the polymer chains are shortened and the intermediate cavities caused by moisture are removed from the plastic material;
Plastic degasser is the device that dries plastic and removes moisture from it. A plastic gasifier can usually remove about 0.06 cubic meters of moist air from one kilogram of polymer.
What are the benefits of plastic biting?
Plastic biting has many advantages; For example:
by drying the plastic by the plastic gasifier, the moisture holes are removed from the plastic and the original shape of the plastic is preserved. .
By gassing plastic in some polymers, it is possible to increase their resistance to impact and tension.
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