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The Analysis of the Child-Resistant Function of 28mm Oral Liquid Bottle Caps

Mar 31 , 2025

In daily life, children often come into contact with various objects out of curiosity, among which medicines are a potential safety hazard. In order to better protect the safety of children, more and more medicine packaging designs have begun to focus on child protection functions. Among them, the child safety cap of the 28mm oral liquid bottle cap has become a prominent representative. This bottle cap not only has excellent sealing performance, but also has a unique child protection function, becoming an important choice in family child resistant  packaging.

The innovative design of oral liquid bottle cap 

28mm child resistant cap for liquid

Key points for selecting polypropylene caps and gaskets for oral liquid medicines

PP 28mm cap with gasket



Double-layer design, greatly increased difficulty in opening

The design of the 28mm oral liquid bottle cap adopts an innovative inner and outer double-layer structure. The outer layer looks ordinary, but there is an additional layer of protection design hidden inside. It cannot be opened by just rotating. It must be opened by pressing down and rotating at the same time. This unique structural design not only improves the sealing performance, but also significantly increases the difficulty of opening the bottle cap. Children usually have less strength and unskilled skills, so they find it difficult to open this special design of the bottle cap easily. This design effectively prevents children from accidentally taking medicines in their hands without the company of adults, reducing the potential risk of accidentally ingesting medicines.

28mm Child Resistant Cap for Glass Bottles: Material, Size, Function, and Application

HDPE syrup bottle with crc cap

Prevent children from accidentally ingesting drugs and enhance brand image

For pharmaceutical companies, choosing 28mm child-safe bottle caps can effectively improve the safety of drug packaging and increase consumers' trust in the brand. Parents can also use these drugs with more peace of mind to ensure the safety of their children when they come into contact with drugs. In addition, the sealing effect of the bottle cap can also effectively maintain the quality and efficacy of the drugs and ensure the stability of the drugs during use.

Application and characteristics of amber PET bottle

PET amber bottle

Why choose 28mm child-safe bottle caps?

1. Excellent sealing: In addition to the child protection function, the 28mm oral liquid bottle cap also has excellent sealing performance to prevent the drugs from getting damp or deteriorating.

2. Comply with international standards: This bottle cap meets many domestic and international drug packaging safety standards and is an ideal choice for drug packaging.

3. Easy to use: Although it has child protection function, it can still be easily opened when used by adults, which is convenient for the use of drugs.

4. Increase family security: Parents can store drugs with confidence in daily life without worrying about children accidentally ingesting them.

With its unique child protection function and excellent sealing performance, the 28mm oral liquid bottle cap has become an ideal packaging product for many pharmaceutical companies. Through the clever design of the inner and outer double-layer structure, this bottle cap effectively prevents the risk of children accidentally ingesting medicines, providing a safer growth environment for children. When it comes to children's safety, we cannot ignore any details. Choosing a 28mm oral liquid bottle cap is to build a solid safety barrier for children's health.


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