A preform mould maker will introduce the classification and profession to you here.
There are many types of caps in the market. But it can be roughly divided into some classifications of wine bottle caps, beverage bottle caps, cosmetic bottle caps, food bottle caps, and medicinal bottle caps, etc. each category have its own requirement in the way of production.
The main kinds of material of wine bottle are aluminum and plastic, and developed toward the purpose of theft-proof and counterfeit-proof.
While for cosmetic bottle caps, because of the structure of the bottle for daily use, the usage of butterfly cover and spray are most common in our daily life. An experienced and reliable manufacturer is particularly important, or it is very easy to appear quality problems of sealing.
There is no doubt that every country has strict restriction on the safe level of medicinal bottle caps, from producing to consuming.