Sealing Film Parafilm® M 4 Inch Width X 250 Foot Roll Length, Natural For use with Test Tubes, Beakers, Vials, Petri Dishes, Flasks

Features

• Moisture-proof film molds to surface 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 tetrachlorid 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