How Much Do You Know About Plastic Bottle Caps?

We are all too familiar with plastic bottle caps, which are mainly used to seal bottles and cans. And it’s more common in cosmetic bottle packaging materials

The inner side of following plastic bottle cap is a section of thread. This cap is often used with plastic bottles for beverages. Generally, in the process of filling the bottle with contents, there will be residues in the bottle mouth. The function of this thread is to facilitate washing with water after filling. In addition, part of the gas in the bottle can be discharged through the gap during the opening of the cap, so that when the cap is unscrewed, the cap will not fly off and hurt people, and the cap will not fall on the ground and become dirty.

The most common raw materials for cosmetic plastic bottle caps are PET, PP, PE, PC, etc.

PP material: This is mostly used for gas beverage bottle cap gaskets and bottle caps. It is characterized by heat resistance and non-deformation, high surface strength and good chemical stability. Bottle caps of this material are mostly used for fruit wine and carbonated beverage bottle cap packaging.

PE material: This material is mostly used for hot filling bottle caps and aseptic cold filling bottle caps. This material is non-toxic, has good toughness and impact resistance, is also easy to form a film, and is resistant to high and low temperatures. Many vegetable oils on the market and sesame oil in glass bottles are mostly made of this material.

In the field of cosmetics, plastic bottle caps can be divided into the following different categories:

1. According to product material: plastic cap, aluminum-plastic composite cap, aluminum cap, etc.

2. According to the opening method: disc top cap, disc top flip cap, screw cap, buckle cap, plug hole cap, split cap, etc.

3. According to supporting applications: soft tube cap, lotion bottle cap, laundry detergent cap, etc.

The process of the bottle cap and the compact powder case is similar, both of which have various surfaces and printing methods, such as hot stamping, silk screen printing, pad printing, thermal transfer printing, water transfer printing, etc. You can choose according to your needs.