• Parafilm M is a flexible, thermoplastic, waterproof self-sealing film that
holds moisture loss to the minimum and offers secure sealing to the
content of tubes, beakers, flasks, petri-dish and vials.
• It has excellent resistance to air, other gases, alcohol, common acids
and moderately concentrated alkalis.
• At 21° C (70° F), it stretches 200% and returns partially to its original
size at 82° C to 93° C (180° F to 200° F) and softens enough to make an
adhesive bond between papers, cloths and leathers.

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