| cl | | | | divide by four. |
| When talking to Customers about poly bags, | | | | Sometimes we are asked the difference between |
| weâre often asked what the terms | | | | a polythene bag and a plastic sack. Essentially, |
| âmicronâ and | | | | they are the same. The term plastic sack is |
| âgaugeâ mean, and how they | | | | generally used for larger, thicker polythene bags |
| determine the right polythene bag or plastic sack | | | | â although we normally refer to them as |
| for the job. | | | | polybags for short. |
| Gauge was the traditional imperial measurement | | | | Polybags are made using different thicknesses of |
| of plastic or polythene thickness, which has now | | | | polythene plastic and it is helpful to know what |
| been replaced by micron as the European | | | | micron or gauge of polythene has been used, |
| standard. A micron or micrometre is one millionth | | | | because this will indicate how strong the polythene |
| of a metre and is represented by the symbol | | | | bag is. |
| µm. To convert gauge to micron, simply | | | | |