Features and Benefits
- – The practical sealing film for all of your laboratory needs
- – Blend of waxes and polyolefins on a paper release liner
- – Highly insensitive to water, moisture loss and moisture absorption
- – Permeable to oxygen and carbon dioxide
- – Stretches more than 350% of its original length
- – Self sealing
- – Clings to irregular shapes and surfaces
- – Ideal for protecting the contents of test tubes, flasks, beakers and other vessels
Technical Data
| Thickness | 127um |
| Density | 0.922g/cm3 |
| Elongation at Break | >350% |
| Water Vapour Transmission Rate | 1g / (m2 d) @38c; 90%RH |
| Oxygen Transmission Rate | 300cm3 / (m2 d) @23c; 0%RH |
| Carbon Dioxide Transmission Rate | 1,200cm3 / (m2 d) @23c; 0%RH |
| Softening Point | 54c |
| Melting Point | 100c |
| Colour | Natural (semi-clear) |
| Toxicity | Non Toxic |
Effects of Common Reagents
| Solvent | Concentration | 24h Exposure 25-23c |
| Hydrochloric Acid | 12N | No apparent effect |
| Sulphuric Acid | 36N | No apparent effect |
| Nitric Acid | 16N | Resistant (some discoloration) |
| Sodium Hydroxide | 1.8N | No apparent effect |
| Ammonium Hydroxide | 14.5N | No apparent effect |
| Methanol | No apparent effect | |
| Ethanol | 95% (v/v) | No apparent effect |
| Isopropanol | 99% (v/v) | No apparent effect |
| Saline Solution | 20wt% NaCl | No apparent effect |
| Potassium Permanganate | 5wt% | Resistant (some discoloration) |
| Iodine Solution | 0.1N | Resistant (some discoloration) |
Storage Conditions:
- – Temperatures of 7c to 32c and relative humidity of 35% to 55% are desirable.
- – Avoid extremes of heat and cold.
- – Store products in a cool, dry, clean environment, several inches off the floor.
- – Protect products from direct sunlight, heat, moisture, and keep in original container until ready for use.
Shelf Life:
Under the storage conditions stated above, Parafilm M is expected to have indefinite shelf life.
Ordering Information:
| Code | Dimensions | Pack Size |
| PM992 | 50mm x 76m | 1 |
| PM996 | 100mm x 38m | 1 |
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