Parafilm® M laboratory film 75 mx10 cm

Parafilm M - is the classic transparent thermoplastic protective film for use not only in the laboratory, but in practice, the restoration to close with ready solutions and medications containers. Foil prevent sample contamination and spontaneous vaporization. Made of polyolefin and paraffin waxes, does not contain emollients. Water vapor permeability: 4. 3 g / m2 per day at 37 ° C and relative humidity of 90% , melting point: 60 ° C, it can be used in the temperature range from - 45 to + 50 ° C