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Parafilm M Laboratory Sealing Film

Parafilm M all-purpose laboratory sealing film: stretches to over 200%, clings to any shape, waterproof, in 2, 4 and 20 inch rolls.

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Product details

Parafilm M Laboratory Sealing Film

Parafilm M is the stretchy, semi-transparent film that laboratories use to seal tubes, flasks, beakers and petri dishes. It is made by Amcor and has been in use since 1936.

The film stretches to more than twice its length and clings to itself and to regular or odd-shaped openings, so it seals without glue. It is waterproof, colourless and odourless. It lets oxygen and carbon dioxide through, so cultures can still breathe, while it holds back moisture and stops samples drying out. It resists polar substances for up to 48 hours. CSI Labshop can supply Parafilm M in Malaysia.

Roll sizes

Code Roll size
PM992 2 in × 250 ft (about 5 cm × 76 m)
PM996 4 in × 125 ft (about 10 cm × 38 m)
PM999 4 in × 250 ft (about 10 cm × 76 m)
PM998 20 in × 50 ft (about 50 cm × 15 m)

Key specifications

Stretch Over 200% of its original length
Gas permeability Lets oxygen and carbon dioxide through
Moisture Waterproof; reduces moisture and volume loss
Chemical resistance Polar substances for up to 48 hours
Appearance Colourless, odourless, semi-transparent
Use Cut to size and stretch over the opening

Typical applications

  • Sealing test tubes, flasks and beakers
  • Sealing petri dishes and culture plates
  • Covering samples and reagents for short-term storage
  • Wrapping bottle caps and joints against leaks

Tell us the roll size and how many rolls you need, and CSI Labshop Malaysia will send a quotation.

Need a different model?

Tell us your sample type, capacity and budget. We'll suggest suitable models from the brands we supply.

Why CSI Labshop

  • Lab chemicals, consumables and instruments from one supplier
  • Malaysia-wide delivery
  • Help choosing the right model