Parafilm® M All-Purpose Laboratory Film

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Parafilm® M All-Purpose Laboratory Film


Parafilm® M All-Purpose Laboratory Film Covers and Shields Your Products from Moisture While Allowing Gas Permeability

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Parafilm® M All-Purpose Laboratory Film

Safeguard Products and Quality

Keep moisture loss to a minimum and protect the contents of your laboratory items with a flexible covering for test tubes, beakers, petri dishes and more. Convenient, flexible and self-sealing - Parafilm® M laboratory film is an essential item in health care, pharmaceutical and research labs.
  • Features
  • Specs
  • Applications
  • Ordering

Parafilm M Lab Film 2 inch

  • 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

Parafilm M Lab Film 4 inch

  • 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

Parafilm M Lab Film 2 inch


  • Oxygen: (ASTM 1927-98) 150 cc/m² d at 23°C and 50% RH
  • Carbon Dioxide: (Modulated IR Method) 1200 cc/m² d at 23°C and 0% RH
  • Water Vapor: (ASTM F1249-01)
    • Flat: 1 g/m² d at 38°C and 90% RH
    • Creased: 1 g/m² d at 38°C and 90% RH

Effects of Common Reagents

  • Potassium Permanganate
    • 5%: No apparent effect except permanent dark brown coloration in 18 hours
    • 0.1%: Same as 5% except slightly less color
  • Iodine solution (0.1N)
    • No effect except staining brown in 18 hours

Parafilm M Lab Film 4 inch

  • Ethyl Alcohol (95%)
    • No apparent effect except some face whitening in 24 hours
  • No apparent effect in 24 hours:
    • Hydrochloric Acid conc. (12N)dil. (5n)
    • Sulphuric Acid conc. (36n) dil. (5n)
    • Nitric Acid conc. (16n) dil. (5n)
    • Sodium Hydroxide conc. (22%)
    • Ammonium Hydroxide conc. (28% NH3)
    • Salt (NACL) solution (20%)
    • Isopropyl Alcohol (99%)
  • Not recommended for use with chlorinated, non-polar aliphatic and aromatic solvents
  • Film becomes soft and sticky at about 130°F to 150°F (68°C)
Download Technical Data Sheet

Parafilm M Lab Film on Flask

  • Efficient and cost-effective covering for:
    • Test tubes
    • Beakers
    • Vials
    • Petri dishes
    • Flasks
    • Various other instruments and objects with irregular surfaces

Parafilm M Lab Film on Beaker

  • Overwrap to further secure stoppers, lids and caps
  • Shelf or tray liner to prevent slipping of bottles or instruments

Please note the minimums below and contact us for pricing or to place an order. Quantities below these minimums can be ordered on Amazon using the links below.


Roll Size

Product Number

Boxes per Case

Minimum Quantity

2" x 250'



8 Cases

4" x 125'



8 Cases

4" x 250'



8 Cases

20" x 50'



8 Cases

Parafilm Product Sheet Thumbnail

Benefits At-a-Glance

Download our product sheet to discover the benefits of Parafilm® M All-Purpose Laboratory Film at-a-glance.

Download Product Sheet

Parafilm M Infographic Thumbnail

Who do scientists ask for it by name?

Nothing protects their results like Parafilm® M. Learn why in this infographic!

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Questions? Get in Touch!

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