Speak to a Sales Technician

Customer Reviews

Heathrow Scientific 120762 Parafilm M Sealing Film, 2", purple

Model: 120762

A semi-transparent, flexible, thermoplastic film that stretches and molds to different shapes and surfaces. It has many uses in the laboratory such as cover for test tubes, beakers, and flasks, overwrap to seal stoppers, lids, and caps, and shelf or tray liner for glasswares.

Sale Price $26.54 USD
Regular Price $40.00 USD
Availability 2 to 3 Weeks

Heathrow Scientific 120762 Offers


  • Non-toxic and free from plasticizers, primarily composed of polyolefin's and paraffin waxes offering good resistance against acids, alkalis and some organic solvents - use not recommended with acetone, diethyl ether or tetrachloride
  • 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


  • Healthcare
  • Pharmaceutical
  • Research labs

Heathrow Scientific 120762 Specifications

Oxygen (ASTM 1927-98) 150 cc/m2d 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 (0.1 N) No effect except staining brown in 18 hours
Ethyl Alcohol (95%) No apparent effect except some face whitening in 24 hours
No Apparent Effect Except
Some Face Whitening 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%)

Note: Not recommended for use with chlorinated, non-polar aliphatic and aromatic solvents. Film becomes soft and sticky at about 130 to 150°F (68°C).

Click here for complete specifications on the Heathrow Scientific 120762

What's included with the Heathrow Scientific 120762

  • Heathrow Scientific 120762 Parafilm M Sealing Film, 2", purple
  • Waring Laboratory Equipment Supplies

    Ask a question about the Heathrow Scientific 120762 Parafilm M Sealing Film, 2", purple:

    comments powered by Disqus

    Customer Reviews for the Heathrow Scientific 120762