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[Chemical Knowledge]：The difference between polyethylene glycol solid and liquid

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Polyethylene glycol is an important chemical substance, which is widely used in many fields. Its two common states are solid and liquid, and there are many obvious differences between them. There is a clear difference in appearance between the solid and liquid states of the

polyethylene glycol. The polyethylene glycol solid presents a crystal clear solid structure, while the liquid presents a random flow state. This difference in appearance is due to the different molecular arrangement of solids and liquids.

polyethylene glycol solids and liquids also have many differences in nature. Solids usually have a certain degree of hardness and brittleness, while liquids have fluidity and viscosity. Under some specific temperature and pressure conditions, the solid and liquid properties of polyethylene glycol will change, which is also the embodiment of the difference between them.

In addition, polyethylene glycol solids and liquids also differ in use. Due to the different properties of solids and liquids, their applications in industrial production, medicine, cosmetics and other fields are also different. Solid polyethylene glycol is commonly used in the preparation of polymer materials, while liquid polyethylene glycol is commonly used in the preparation of solutions or coatings.

To sum up, polyethylene glycol solids and liquids have obvious differences, whether in appearance, nature or use. For those engaged in related industries, the difference between solid and liquid polyethylene glycol is of great significance, which helps them to better select and apply this chemical substance.

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