Parafilm M British Although they have recently expired

Although they have recently expired

home school experiments or anywhere lab facilities may be limited

It was originally developed by de Man

As well as Malt Extract Agar in petri dishes

Parafilm M British Although they have recently expiredParafilm M is a high quality, versatile, plastic sealing film which can be stretched up to 200% around both uniform and irregular shapes or surfaces. Ideal for covering glassware such as flasks, test tubes and beakers as well as sealing petri dishes. Parafilm M is resistant to many substances such as saline solutions, inorganic acids and alkaline solutions for up to 48 hours. After this time it may become brittle. Conforms to general FDA requirements