What is Parafilm?

What is Parafilm?

Parafilm is a semi-transparent sealing film that is used widely in labs and beyond since it was invented in the USA in 1936. It is composed of a proprietary combination of waxes and polyolefins and has the incredible ability to stretch to over 200% of its original length.

Do you have parafilm in your laboratory?

Chances are anyone who has spent time in a laboratory environment has encountered Parafilm. The tough, stretchy, waxy, plastic wrap has many common uses and is a necessary fixture in a wide range of laboratory settings.

Is Parafilm permeable to gas?

Of course, there are notable exceptions such as Polymerase Chain Reaction ( PCR ), which require sterile conditions to prevent the risk of contamination. Parafilm is also permeable by gasses such as oxygen, carbon dioxide, and water vapour.

Is Parafilm moisture resistant?

Parafilm is moisture resistant but has gas permeability. Parafilm is ideal for a range of applications in the lab and beyond and this includes: Creating a physical barrier and seal over samples – keeping your wok safe from contamination. Sealing of containers in a huge variety of shapes and sizes including flasks, dishes, tubes and more.