Parafilm® Sealing Film
Flexible, self-sealing sheet material commonly used to seal flasks, tubes, petri dishes, etc. Translucent, odorless, tasteless and with good chemical resistance.
At 70°F. it can be stretched 200% and will return partially to its original length. At 180 to 200°F. it softens sufficiently to make an adhesive bond between papers, cloths, etc. Supplied in dispenser carton. 4 X 250 roll.