Parafilm® M is a semi-transparent, flexible, thermoplastic film with two-way stretch.
Non-toxic and free from plasticizers, primarily composed of polyolefins and paraffin waxes offering good resistance against acids, alkalis and some organic solvents - use not recommended with acetone, diethyl ether or tetrachloride. Resistant up to 48 hours against many polar substances such as saline solutions, inorganic acids and alkaline solutions.