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Specifications of metallised film for packaging
(12 microns metallised and coated on one side)
| Sr.no. |
|
|
Test Method | Typical Values |
| General | ||||
| 1. | Thickness |
|
GPL Method | 12 |
| 2. | Grammage |
|
GPL Method | 18 + / - 5 % |
| 3. | Yield |
|
GPL Method | 52.9 to 58.5 |
| 4. | MVTR | gm/m2/24hrs | ASTM-E-96
38o C 90%RH |
1.0 |
| 5. | Oxygen Transmission Rate | cc/m2/24 hrs | ASTM-D1484
38oC 45%RH |
Less than 1 |
| Mechanical | ||||
| 1. |
|
|
ASTM-D-882 | Minimum 18 |
| 2. | Elongation
at break
(MD / TD) |
|
ASTM-D-882 | Minimum 80 |
| Optical | ||||
| 1. | Optical density |
|
GPL Method | Minimum 2 |
| Roll | ||||
| 1. | Core Size (I.D) |
|
GPL Method | 76/152 |
| 2. | Std. Length |
|
GPL Method | 6000 |
| 3. | Std. Width |
|
GPL Method | 25 to 1030 as per requirement |
| 4. | Width Tolerance |
|
GPL Method | +/-2 in the absence of customer specified tolerance |
Film with higher optical density upto 2.5 can be supplied if required
-> MD - Machine direction
-> TD - Transverse direction
|
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