Plastic Caps Key Terms

Learn plastic caps terminology to make an informed decision

Plastic caps are an excellent choice for many products. Because plastic is so versatile, they come in many different styles, such as anti-roll or vented plastic caps. Companies may need to decide whether they need a threaded cap or a tear cap. They should also consider child-resistant caps if they are packaging medicines or other potentially harmful substances. Learning some of the key terms associated with plastic caps will help you make the right choice for your business.

 

Anti-roll plastic caps

Anti-roll plastic caps have a special square-shaped design, which prevents them from rolling. This works well for many types of products, but especially products where the consumer is likely to set the cap down while using the product.
Try: See examples of anti-roll caps at Visipak.

Vented plastic caps

Vented plastic caps help to release the pressure inside of a container. They are used for a variety of products, such as food products and beauty products.
Try: Learn about the technology of vented plastic caps from Pearce Plastics.

Hanger plastic caps

Hanger plastic caps have a loop at one end, which consumers can use to hang the capped object on a hook or nail. These types of caps fit tightly on the product to ensure that they do not slip out when hanging.
Try: The Harman Corporation shows a picture of a hanger plastic cap.

Child-resistant plastic caps

Child-resistant plastic caps are specially designed to prevent children from opening the product. They are often used on dangerous substances. To open, the user must press down on the cap while twisting. It's important to note that these caps are called "child-resistant" and not "child-proof." There is still a small chance that a child could open the product.
Try: Drug & Cosmetic Packaging shows a child-resistant plastic cap.

Threaded plastic caps

Threaded plastic caps have grooves along the inside that match up with the bottles grooves. The user must twist the cap to screw it on. You often see threaded caps used for plastic soda, juice and water bottles.
Try: Look at Niagara Caps and Plugs to see a diagram of how a threaded cap works.

Tear caps

Tear caps form a tight seal on the product. When the consumer is ready to use the product, he or she simply pulls on a tab which tears off, allowing them to open it. After, the cap usually will pop on, but it is not as strong as it first was. You may see this type of cap on a gallon of milk.
Try: View tear caps at Stock Cap.

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