Parafilm 2 in x 250 Ft., Purple

Parafilm® M Sealing Film is a semi-transparent, flexible, thermoplastic film with two-way stretch that protects the integrity of your laboratory and research applications. • 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 • Protect the integrity of research applications with a tight moisture-barrier that holds a strong seal and doesn’t release from glassware, despite off-gassing • Reduce the risk of tampered data with a covering that is odorless, colorless and semi-transparent • Prevents moisture and volume loss due to material composition and tight seal • Flexible and self-sealing material allows it to cling around irregular shapes and surfaces • Stretches more than 200% of original length • Resistant up to 48 hours against many polar substances such as saline solutions, inorganic acids and alkaline solutions • Disposable