Mini Trigger Sprayer(KEXON): such useful closures for dispensing liquids with the press of a nozzle. But often forgotten in these closures is a critical component of these products: the dip tube! A dip tube is the long flexible tube that dips into the liquid in a container. When the sprayer is activated, the liquid travels up the dip tube and out of the nozzle. Today we are going to address a commonly-asked question in the container industry: why are my dip tubes longer than my containers?
Different Bottles, Same Neck Finish
Let’s start answering this question by taking a look at two bottles. For this example, we are going to look at the 4-ounce PET Boston round and the 16-ounce PET Boston round bottles. These two bottles are quite similar: they are both made of clear PET, are both Boston rounds, and both have the same neck finish (the measurement that determines which lids will fit correctly on which bottles). They are almost like siblings, the big brother and the little brother. The only real difference between these two bottles is their sizes. The 16-ounce bottle is taller at 6.626 inches than the 4-ounce bottle; it is only 4.305 inches tall.
Since these two containers have the same neck finish, they can use the exact same closures! Likewise, there are many different containers that have the same neck finishes, which means that the number of combinations of bottles and closures is enormous. These two bottles, however, are going to use a fine-mist sprayer with a 6.25-inch dip tube. Now, remember back a few sentences: these two bottles, though they can use the same closure due to their identical neck finishes, are different heights. In this case, the dip tube for this sprayer fits well in the 16-ounce bottle, but it is too long for the 4-ounce bottle!
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