Sigma-Aldrich Parafilm M, Thermoplastic, Non-Sterile

Sigma-Aldrich Parafilm M, Thermoplastic, Non-Sterile, 38 m L x 10 cm W, -45 to 50 deg C Temperature Range. Parafilm stretches up to 200% and clings even around irregular shapes and surfaces. The sealing film is free of plasticizers and consists primarily of polyolefins and paraffin waxes. Parafilm M is resistant up to 48 hr against many polar substances, e.g. saline solutions, inorganic acids and alkaline solutions. Protect the integrity of research applications with a tight moisture-barrier that holds a strong seal and doesnt 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 hr against many polar substances such as saline solutions, inorganic acids and alkaline solutions - SIALGSK (Additional S&H or Hazmat Fees May Apply)