Brand Seal-R-Film Laboratory Film 50mmX 75M Roll (2 Inch x 250 Ft Roll) — Open-Box

Airtight Laboratory Seal: Highly flexible laboratory film that conforms to irregular surfaces of beakers, flasks, and petri dishes to create a secure, physical seal.

Evaporation Barrier: High-performance paraffin-based material significantly reduces sample evaporation and prevents external dust or particles from entering vessels.

Broad Chemical Compatibility: Engineered to be resilient against various laboratory chemicals, including acids and alkalis, for up to 48 hours of exposure.

Flexible & Durable Roll: 50mm x 75M (2 inch x 250 ft) roll offers high elasticity, allowing the film to be stretched to fit a wide variety of laboratory glassware.

Latex-Free Material: Formulation is free of natural rubber latex and is odor-free, making it suitable for allergen-sensitive laboratory environments.

Flexible, Moisture-Resistant Sealing Solution for Laboratory Applications. This stretchable sealing film provides a reliable, airtight physical barrier to protect sample integrity and prevent evaporation in research settings. Ideal for securing lids on flasks, beakers, and test tubes, it is resistant to common laboratory chemicals for up to 48 hours. Latex-free and easy to apply, it is an essential supply for maintaining consistent experimental conditions.