Polythene film packaging guide

Selecting polythene film

Film thickness guide
Economy duty film thicknessExceptionally lightweight and for use on lightweight items. 80 gauge (20 micron). Predominantly used for keeping goods clean, dry and visible.
Light duty film thicknessLight duty film has superb clarity. 100 gauge (25 micron) 120 gauge (30 micron). Predominantly used for keeping items clean and dust free.
Medium duty film thicknessMedium duty film is ideal for packing smooth items. 150 gauge (38 micron).
Heavy duty film thicknessHeavy duty film is suitable for items with sharpe edges. 200 gauge (50 micron).
Strong film thicknessStrong film does not tear easily. Suitable for carrying heavy items. 250 gauge (62 micron) 400 gauge (100 micron) 500 gauge (125 micron)

Polythene film thickness conversion

Plastic sheeting, tubing and bags are measured by their thickness and is expressed in gauge (imperial) or microns (metric).

Gauge relates to thickness. Each 100 gauge is 1 thousandth of an inch.

Microns are thousandths of a millimeter.

Gauge can also be related to microns by dividing the gauge by 4.

Gauge thickness conversion chart
GaugeMicronMillimeterInch
307.60.00760.0003
40100.01010.0004
5012.50.01270.0005
60150.01520.0006
75190.01900.0007
80200.02030.0008
90230.02280.0009
100250.02540.0010
120300.03040.0012
150380.03800.0015
160400.04060.0016
180450.04570.0018
200500.05080.0020

Polythene film thickness conversion last updated: May-2023

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