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PARAFILM "M" - 4" x 250 ft
◾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 |
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