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Heathrow Scientific Parafilm M Sealing Film 100 mm x 38 m, Natural - HS234526B $47.94 $44.58

Heathrow Scientific Parafilm M Sealing Film 100 mm x 75 m, Natural - HS234526C

$76.50 $71.15
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SKU: HS234526C
California prop 65
Description

Description

  • Key performance benefit: Provides a tight, moisture-resistant seal to protect contents from contamination and evaporation.
  • Material & construction: Made from a blend of waxes and polyolefins, forming a flexible, self-sealing film that conforms to various container shapes.
  • Risk reduction/compliance benefit: Prevents moisture and volume loss while maintaining seal integrity on laboratory containers.
  • Protection level: Resistant to acids, alkalis, organic solvents, and up to 48 hours against saline solutions, inorganic acids, and alkaline solutions.
  • Comfort & usability: Stretchable up to more than 200% of its original length, allowing easy application over irregular surfaces.
  • Safety & compliance assurance: Non-toxic and odorless composition.

Recommended For

  • Sealing laboratory containers
  • Covering test tubes
  • Sealing flasks and beakers
  • Petri dish sealing
  • Sample protection
  • Preventing evaporation

Primary Industries

  • Laboratories
  • Medical
  • Industrial

Standards and Certifications

  • None specified
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Properties

Film Width 100 mm (4 in)
Roll Length 75 m (250 ft)
Material Waxes and polyolefins
Color Natural
Reviews

FAQs

When is a longer roll of sealing film more advantageous for lab use?

A longer roll is ideal for high-throughput labs or environments with frequent sealing needs, as it reduces replacement needs and improves workflow efficiency. It is especially useful in shared lab settings where multiple users rely on consistent access to sealing materials throughout the day.

How well does this film maintain a seal during routine lab handling?

The film adheres closely to container surfaces, maintaining a reliable seal during typical handling and short-term storage. It performs well in preventing accidental exposure or minor disturbances. However, it is not designed for situations involving pressure changes or extended mechanical stress.

Can this film be used across different lab applications and departments?

Yes, its flexibility and chemical resistance make it suitable for a wide range of applications, including research, clinical, and industrial labs. It can be used for sealing various container types, making it a versatile solution across multiple workflows without requiring specialized sealing tools.

What are the best practices for ensuring a consistent seal?

Apply the film evenly across the container opening and press gently to ensure full contact. Avoid overstretching, as this may weaken the material. Using clean hands or gloves helps maintain sample integrity, especially in sensitive environments where contamination control is important.

Are there any limitations when using this film for extended storage?

While effective for short- to medium-term sealing, it is not intended for long-term or airtight storage. Over time, environmental factors may affect seal integrity. For critical samples requiring extended preservation or complete isolation, more secure closure systems should be considered.