In the past 30 years since its inception, the binary packaging system(Bag On valve) has made considerable progress in terms of dosage, structure, type, scope of use, filling and testing technology, and has become an indispensable and important packaging form for aerosol products. Any product has its advantages and disadvantages, and binary packaging is no exception. The advantages and disadvantages of binary packaging are as follows:
The main advantages of Bag On Valve (binary packaging) are:
1. The dosage material and the propellant are separated, and there is no need to consider the compatibility of the two, which greatly expands the application range of pressure packaging.
2. The propellant does not discharge out of the tank during use and does not affect the environment.
3. Can be used at any angle of 360°.
The main disadvantages of Bag on valve (binary packaging):
1. The structure is more complicated and the price is more expensive.
2. Because the propellant remains in the tank, the complexity of empty tank recovery is increased.
Binary packs(Bag On Valve) are often filled differently than normal aerosol products, and different types of binary packs use different filling methods.
The filling of the valve capsule(bag) type is relatively simple. It is divided into two steps. The first step is to fill the propellant into the tank with the filling method under the cover and seal the valve capsule on the tank; the second step is to fill the tank with pressure through the valve. method to fill the capsule with the dose.
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