To seal; the product is placed in the plastic blister, and the backing is placed on top of (or around, depending on the package) the heat seal blister. Next, the blister plastic is bonded onto the paperboard/card using heat and pressure.
Is blister pack waterproof?
Blister packs that are sold without a card should be virtually waterproof. ... With a blister pack, each pill or dose is hermetically sealed so that you can be sure no one has tampered with its contents.Nov 29, 2019
Are blister packs airtight?
Therefore, the individual compartments associated with blister packing help greatly when dealing with medications and herbs. They are sealed tight, so opening one individual area of the package will not compromise the rest of the products.Oct 1, 2018
Why blister packing is used?
Blister packs are useful for protecting products against external factors, such as humidity and contamination for extended periods of time. Opaque blisters also protect light-sensitive products against UV rays.
How do you seal a blister packaging?
Cold Sealing Typically used for sealing trapped blister packages, leveraging a cold-seal coating on the card. A simple, fast, cost-effective and environmentally-friendly method for sealing.
How does blister packing work?
Each pack is secured by a strong, paper-backed foil that protects the pills until dispensed. When it's time to take a dose of medication, the caregiver or patient simply pushes a blister of pills through the foil backing to distribute an accurate dose effortlessly.
How is blister packaging made step by step?
- First, a heat-sealed blister is formed using an aluminium resin tool. ...
- The cardboard backing is printed, using a special printing process which has adhesive in it. ...
- The blister is placed into a specialised part of the sealing machine, known as the sealing jig.
What is blister pack used for?
Blister packs are used to package products such as toys, hardware, medication, etc. Many blister packaging machines use heat and pressure via a die to form the cavity or pocket from a roll or sheet of plastic.
What is a blister sealer?
Blister pack is a term for several types of pre-formed plastic packaging used for small consumer goods, foods, and for pharmaceuticals. ... This usually has a backing of paperboard or a lidding seal of aluminum foil or plastic. A blister that folds onto itself is often called a clamshell.