Parafilm M, 4″ x 125′ Roll

Description

S37440  A versatile, moisture-resistant, thermoplastic flexible plastic for a wide variety of clinical and industrial applications, Parafilm M® film has been used with confidence for years in scientific research and medical settings.

It is a proven fast, economical covering or stopper for test tubes, beakers, vials, petri dishes, flasks and various instruments and objects with irregular surfaces.

• Waterproof, moisture-proof film prevents sample evaporation, contamination; protects anhydrous materials
• Can be folded repeatedly and twisted around sharp surface without rupturing
• Increases approximately 200% when stretched lengthwise at 21°C (70°F)
• Partially returns to original length when tension is removed
• Becomes more flexible and softer as temperature increases
• Rolls are interlined with paper to prevent adhering