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Three Important Considerations for Plastic Bottle Closure Manufacturing

Good container closures are essential elements to consider for your custom bottle packaging project. This product will cover and contain your products, preventing spillage during transportation. In addition, a good cap will protect the contents from adversities such as dust, sunlight and the general atmosphere. There are numerous options that you can select when ordering bottle caps from a plastic manufacturer. Moreover, these products are not homogenous in terms of structure and quality. Therefore, you must make your choices with care to ensure great long-term performance. Here are the most important factors to consider when ordering plastic bottle caps.

Plastic Material

There are two primary types of plastics used in manufacturing bottle caps: thermoplastic and thermosetting plastic. The thermoplastic category consists of plastics which melt or become pliable at certain temperatures. When the material cools, it solidifies. The pertinent resin can be heated and cooled repeatedly without degradation. This material is favourable for creating bottle closures because it is inexpensive and extremely flexible with regard to design. Popular polymer choices include polyethylene and polystyrene.

Thermosetting plastics react differently than the thermoplastic alternative. Basically, when this polymer type is exposed to temperature it becomes a soft solid as opposed to melting. After curing, the material becomes irreversibly hard, insoluble and infusible. The primary advantage of choosing thermoset plastics for bottle closure manufacturing is their exceptional dimensional stability. In addition, this category of plastics displays more chemical resistance than thermoplastics.

Closure Design

The right closure design is an important aspect to evaluate before making an order. Ideally, you should think about the type of product, leakage protection and ease of dispensing and use. The most popular closure design is the standard crewed type. It is favoured because it can be easily removed and replaced by the user. Ribbed and dome closures provide great bottle sealing for general applications. If you would like a bottle closure for special applications, you can choose a custom design or inquire about the stock alternatives available. Common examples of specialty caps include trigger sprayer, pump, spout and snap top closures.

Colour and Branding

Finally, you should consider the colour and branding options for your bottle closures before making your decision. These factors can affect the brand identity and awareness of your product significantly. In general, you should choose a colour that matches your company's general theme or can be easily associated with the product. Additionally, you can choose to have the brand as part of the bottle cap mould or have the closure printed as a finishing process. 

For more information, contact companies like Ant Packaging.