There are many kinds of condiment caps on the market. According to the sealing method, they can be divided into two types: flat pressure seal and side wall seal. The former is more commonly used in screw caps. When pressed, the surface of the condiment bottle mouth and the inner surface of the condiment bottle cap are sealed. The increased contact area of ​​the sealing ring can achieve a good sealing effect, and the side wall seal mainly uses the effective contact between the bottle mouth and the outside of the cap sealing system to achieve a good sealing effect. It is generally used in combination with metal caps and rubber caps. , and then design based on the product structure, use, and price.

Also, under the premise of stipulating the specifications of condiment caps, condiment cap manufacturers will select appropriate condiment caps according to bottles of different calibers. However, the general style of condiment caps is a multi-position flat top with a pressed structure. The shape depends on the capping machine. If the flat top is sealed into an aluminum cap with a flat top, it often cannot be tightly connected and will easily become loose. And as people pay more and more attention to food safety, there are requirements for condiment caps. It has also been improved accordingly, and can better prevent the invasion of fungi during food transportation and shelving, playing a very good protective role.