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PARAFILM® M SEALING FILMPARAFILM® M SEALING FILM

PARAFILM® M SEALING FILM

29,49€ – 76,33€

Mantiene la pérdida de humedad al mínimo y ofrece una excelente barrera de protección. La película para envolver de laboratorio Bemis Parafilm M™ es un plástico flexible termoplástico para una gran variedad de aplicaciones.

SKU: 15911626 Categoría:

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HS234526B
38 m
100 mm
1
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29,49€
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HS234526A
75 m
50 mm
1
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33,43€
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HS234526C
75 m
100 mm
1
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76,33€
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INFORMACIÓN ADICIONAL

Moisture-proof film molds to surface
Parafilm® M is a semi-transparent, flexible, thermoplastic film with two-way stretch.

  • Non-toxic and free from plasticizers, primarily composed of polyolefins and paraffin waxes offering good resistance against acids, alkalis and some organic solvents—use not recommended with acetone, diethyl ether or tetrachloride
  • 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
  • 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
  • Two color options available in 2” rolls (natural and purple) for color coding purposes
  • Disposable

Applications
Efficient and cost-effective covering for:

  • Test tubes
  • Beakers
  • Vials
  • Petri dishes
  • Flasks
  • Various other instruments and objects with irregular surfaces
  • Overwrap to further secure stoppers, lids and caps
  • Shelf or tray liner to prevent slipping of bottles or instruments

Permeability

  • 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

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 68°C
Parafilm® is a registered trademark of Bemis Company, Inc.

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