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Plastic seals are items that are used in our daily production days. Its robustness, flexibility, and twists make it possible to seal most items and equipment. The origin of these characteristics is determined based on the plastic raw materials used, so what raw materials are common plastic seals made of?
The vast majority of plastic seals are made of PP (polypropylene) and PE (polyethylene) after a certain amount of conditioning. PP (polypropylene) has good rigidity and can increase the hardness of the produced seals. , The participation of PE (polyethylene) makes the seal have a wax-like feel and can withstand low temperatures.
After adjusting the proportion of PP and PE, the plastic seal can have the characteristics of two kinds of raw materials, and the usability of the seal can be improved. Other plastic seals will also add laser powder. Generally, seals without laser powder will produce very light handwriting after laser printing. Therefore, the need to increase laser is also an indispensable raw material for plastic seals.
For example, if you need to add special night-lighting properties, you can add a certain amount of phosphor to the plastic seal, and then achieve the night-lighting effect. The raw materials of plastic seals mainly depend on the needs of the users. After the requirements, various materials are added to the seals to make the seals have or meet a specific demand.