Breathable Films are waterproof films that keep the water out, but manage to pass water vapor. Breathable Films made by Manapak Dana are sold under the trade name Manzi and have considerable use cases in in packaging, clothing, military and… industries.
These films are made of materials that are permitted to be in contact with food products; in addition, an anti-bacterial substance is used to further enhance their usability in food packaging industry. This product can also be produced in printed format, allowing customers to order their desired pattern.
Keeps taste
Keeps freshness
Controls humidity
Keeps Nutrients
Keeps weight
Adding to the previous statement, passability of other gases such as Oxygen and Carbon Dioxide is customizable. The table below showcases the permeability and mechanical properties of Manzi films.
| Gas | Condition | Permeability | Unit |
|---|---|---|---|
| Oxygen | 10°C, 65 %RH | 11-18 | cc/m².day.atm |
| Oxygen | 10°C, 90 %RH | 72-107 | cc/m².day.atm |
| Oxygen | 23°C, 65 %RH | 43-78 | cc/m².day.atm |
| Oxygen | 23°C, 90 %RH | 135-184 | cc/m².day.atm |
| Water vapor | 23°C, 100% RH in, 50 %RH out | 180-380 | g/m².day |
| Carbon dioxyde | 23°C, 0 %RH | 350-450 | cc/m².day.atm |
| Property | Value | Unit |
|---|---|---|
| Yield Stress (MD/ TD) | 25-35 | MPa |
| Stress at break (MD/TD) | 70-80 | MPa |
| Strain at break (MD/TD) | 340-370 | % |