• How does the plastic cap structure of the common beverage make it waterproof?

    The key of sealing is the boss design. There are two ideas in the design of mechanical seal: increasing the contact surface and extending the leakage path of medium. It is impossible to seal completely in theory. What we are after is to leak as littl...

  • How to produce plastic cap

    According to the production process: it can be divided into injection cover and compression cover; The production process of injection molding cover is as follows: The sucking machine sucks the mixed materials into the barrel of the injection molding...

  • What are the common classifications of plastic caps

    From the structure, there are inner plug type and gasket type, and the sealing gasket is a drop plastic bottle cap. Injection molding and compression molding are divided from processing technology. From the size of 28 teeth, 30 teeth, 38 teeth, 44 te...

  • What material is the drink bottle cap

    The materials used are polyethylene (PE), polyvinyl chloride (PVC), polyethylene terephthalate (PET), etc. Usually, mineral water bottles are made of PVC or pet, carbonated beverage bottles are made of pet, cool beverage bottles, liquid food bottles ...