Packaging and Stylish Bags

Blister Pack

Blister pack is a term for several types of pre-formed plastic packaging used for small consumer goods. The “formed” cavity or pocket contains the product and the “lidding” seals the product in the package.

Uses

Unit dose packaging of Pharmaceuticals

Blister pack are commonly used as unit-dose packaging for pharmaceutical tablets, capsules or lozenges. A series of blister cavities is sometimes called a blister card or blister strip as well as blister pack.

In some parts of the world the blister pack is known as a Push-Through-Pack (PTP). Blister packs are created by means of a form-fill-seal process at the pharmaceutical company or designated contract packer.

Blister packs consist of two principal components:
1) a formed base web creating the cavity inside which the product fits and
2) the lidding foil for dispensing the product out of the pack.

There are two types of forming the cavity into a base web sheet: thermoforming and cold forming.

A typical blister-packaged consumer good

pharmaceutical blister packaging

Other types of blister packs consist of carded packaging where goods such as toys, hardware, and electrical items are contained between a specially made paperboard card and clear pre-formed plastic such as PVC.

Medical Blisters

Medical Blister trays differ from Pharmaceutical blister packs in that these are not push-through packs.

Materials – Pharmaceutical blister packs

PVC

In the absence of plasticizers, PVC blisters offer structural rigidity and physical protection for the pharmaceutical dosage form. Most PVC sheets for pharmaceutical blisters are 250µ or 0.250 mm in thickness. Multi-layer blister films based on PVC are often used for pharmaceutical blister packaging, whereby the PVC serves as the thermo formable backbone of the structure.

PCTFE

Typical constructions used for pharmaceutical products are 250µ PVC film laminated to 15µ-100µ PCTFE film. Duplex structures are PVC/PCTFE and triplex laminates are PVC/PE/PCTFE.

You may want to read other articles about Burlap Bags and Bulk Bag.

Summary about Blister Packaging. Source: Wikipedia, the free encyclopedia.