• Why Perfume Sprayers Can Spray

    Why Perfume Sprayers Can Spray

    In the same fluid, the flow rate is large, the pressure is small; the flow rate is small, the pressure is large. Fluid will flow from high pressure to low pressure. The nozzle itself has a mechanical structure that compresses the liquid to create high pressure. When the liquid passes through the per...

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  • What are the advantages of cosmetic spray pumps

    What are the advantages of cosmetic spray pumps

    The design of cosmetic packaging bottles is constantly innovating, from the beginning of the plastic cap, the squeeze cap to the last spray pump, every time is for better storage of cosmetic products, convenient for people to use. So what we mainly understand today is what are the advantages of cosm...

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  • Precautions for precision mold processing

    Precautions for precision mold processing

    1. Shrinkage rate of precision injection molding: During the molding process of plastic varieties thermoplastics, due to the volume change caused by crystallization, the internal stress is strong, the residual stress frozen in the plastic part is large, and the molecular orientation is strong. There...

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  • Factory test of plastic pump head

    Factory test of plastic pump head

    Every pump head produced goes through a multi-step inspection. 1. After the plastic pump head is proofed, the sample must first be confirmed to the customer to see if the plastic pump head meets the customer's requirements. 2. Cosmetic pump heads produced in large quantities must first be inspected ...

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  • General knowledge analysis and explanation about lotion pump

    General knowledge analysis and explanation about lotion pump

    Lotion pumps are related products for beauty salons, medicine, washing packaging, and cosmetic packaging. A. The dispenser is divided into two types: tie type and screw type. In terms of function, it is divided into spray, foundation cream, lotion pump, aerosol valve, vacuum bottle B. The size of th...

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