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Bemis™ Parafilm™ M Laboratory Wrapping Film

Efficient and cost-effective covering for test tubes, beakers, vials, petri dishes, flasks, and various other instruments and objects with irregular surfaces.

$74.50 - $157.00

Specifications

Material Thermoplastic
Applications Efficient and cost-effective covering, over wrap to further secure stoppers, lids, and caps, and shelf or tray liner to prevent slipping of bottles or instruments.
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Products 4
Catalog Number Mfr. No. Width (English) Length (English) Price Quantity & Availability  
Catalog Number Mfr. No. Width (English) Length (English) Price Quantity & Availability  
13-374-12 View Documents Bemis™
PM999
4 in. 250 ft. Each for $138.30
Case of 12 EA for $1,274.00
Add to cart
 
13-374-10 View Documents Bemis™
PM996
4 in. 125 ft. Each for $107.70
Case of 12 EA for $963.50
Add to cart
 
13-374-16 View Documents Bemis™
PM992
2 in. 250 ft. Each for $74.50
Case of 24 EA for $1,348.00
Add to cart
 
13-374-5 View Documents Bemis™
PM998
20 in. 50 ft. Each for $157.00
Case of 6 EA for $731.50
Add to cart
 
Description

Description

  • 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.

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 130°F to 150°F (68°C)

Order Info

13-374-10, 13-374-12, and 13-374-16 rolls are packaged in cardboard dispensing cartons.

Specifications

Specifications

Thermoplastic
Efficient and cost-effective covering, over wrap to further secure stoppers, lids, and caps, and shelf or tray liner to prevent slipping of bottles or instruments.
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