Parafilm M – Moisture-Resistant, Thermoplastic Sealing Film

Parafilm M is a flexible, waterproof, self-sealing film that provides an airtight, moisture-resistant seal for tubes, flasks, dishes, and vials. Its stretchable, chemically resistant design makes it a trusted choice for protecting lab samples.

Key Benefits

  • Self-sealing, stretchable film ensures tight closure for various laboratory containers.
  • Reduces evaporation and contamination by providing a moisture-proof seal.
  • Resistant to air, alcohol, common acids, and moderately concentrated alkalis.
  • Thermoplastic composition allows adhesive bonding to papers, cloth, and leather.
  • Ensures sample integrity during handling and storage.

Parafilm M – Moisture-Resistant, Thermoplastic Sealing Film

Superior Sealing Efficiency

Provides a tight, self-adhering seal to prevent sample leakage or evaporation, maintaining consistent laboratory results.

High Flexibility and Strength

At 21°C, Parafilm M stretches up to 200% of its length and partially recovers, ensuring flexibility and durability during use.

Thermoplastic Adhesion

Softens between 82°C and 93°C, allowing it to form adhesive bonds with paper, cloth, and leather surfaces when needed.

Chemical and Environmental Resistance

Excellent resistance to air, gases, alcohol, acids, and alkalis enhances its versatility across multiple laboratory applications.

Wide Laboratory Utility

Ideal for securely sealing flasks, petri dishes, test tubes, and other labware where airtight protection is essential.

Code Sizes No./Case
U30101
2 Inches x 250 feet
1 Roll
U30102
4 Inches x 125 feet
1 Roll

Description

Parafilm M is a high-performance, self-sealing laboratory film engineered for versatile use in research and testing environments. It combines elasticity, chemical resistance, and moisture control, offering superior sealing for containers and instruments. Its ability to stretch, conform, and adhere to varied surfaces makes it indispensable for laboratory workflows demanding contamination-free protection.

Specification

Material Thermoplastic Film
Type Self-Sealing
Stretchability Up to 200% at 21°C
Temperature Range Softens at 82°C–93°C
Resistance Air, Alcohol, Acids, Alkalis
Applications Tubes, Flasks, Beakers, Petri Dishes, Vials
Moisture Retention Excellent
Reusable No

Data Sheet

Parafilm M

Parafilm M

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