Parafilm is used in mycology as a way of securing and preventing contamination around the rims of petri dishes, jars, bottles and slant vials. Parafilm is a transparent flexible thermoplastic film which is stretchy, self adhering and waterproof. It is not suitable for autoclaving.
Melting temperature: 60 ° C
Flash point: 301 ° C
Continuous use temperature: from
-45 ° C to +50 ° C
Elongation at break: 300%
Gas permeability in 24 hours at.
23 ° C and 50% relative humidity.
O2 (oxygen): = 350 cm3 / m2
N2 (nitrogen): = 105 cm3 / m2
CO2 (carbon dioxide): = 1100 cm3 / m2
Water vapor permeability in 24 hrs. At 37 ° C
and 90% relative humidity: 0.8 g / m2