Parafilm

[2] Parafilm M is commonly used in health care, pharmaceutical and research laboratories for covering or sealing vessels such as flasks, cuvettes, test tubes, beakers, petri dishes and more.

[5] Some growers use Parafilm M instead of fungicides or other coatings to prevent rot, wrapping it around the freshly cut crowns of bananas, pineapples and other produce.

Entomologists have used Parafilm M as a membrane to feed hematophagous insects such as mosquitoes and bedbugs[7] reared in the lab.

[8] Paper-based microfluidic devices are considered a suitable way to fabricate low-cost point-of-care diagnostics for developing countries and areas where expensive medical instrumentation is not accessible.

Digital microfluidic devices can also use it as the electrode insulator and hydrophobic layer [9] A similar but now discontinued product is Fuji's Sealon film.